{"product_id":"svbony-sv220-telescope-filter-sii-oiii-7nm-dual-band-1-25-nebula-filter-88-peak-transmission-with-od5-cut-off-depth-telescope-accessory-reduce-light-pollution-for-imaging-emission-nebulae","title":"Svbony SV220 Telescope Filter, SII \u0026 OIII, 7nm Dual-Band 1.25\" Nebula Filter, 88% Peak Transmission with OD5 Cut-Off Depth Telescope Accessory, Reduce Light Pollution, for Imaging emission Nebulae","description":"\u003cdiv\u003e\u003cdiv lang=\"en_GB\"\u003e\n \u003cdiv class=\"aplus-v2 desktop celwidget\" cel_widget_id=\"aplus\"\u003e\n \u003cstyle type=\"text\/css\"\u003e\n\n.aplus-v2 .premium-aplus-module-1 .aplus-module-section {\n width: 50%;\n vertical-align: middle;\n}\n\n.aplus-v2 .premium-aplus-module-1 .aplus-module-1-topic {\n padding-bottom: 10px;\n}\n\n.aplus-v2 .premium-aplus-module-1 .aplus-module-1-heading {\n padding-bottom: 20px;\n}\n\n.aplus-v2 .premium-aplus-module-1 .aplus-module-1-description {\n line-height: 1.6em;\n}\n\n.aplus-v2 .premium-aplus-module-1 .aplus-module-section.aplus-image-section {\n vertical-align: middle;\n}\n\n.aplus-v2 .premium-aplus-module-1 .aplus-module-section.aplus-text-section-left,\n.aplus-v2 .premium-aplus-module-1 .aplus-module-section.aplus-text-section-right {\n padding: 0 40px;\n}\n\n\u003c\/style\u003e\n \u003cstyle type=\"text\/css\"\u003e\n .aplus-v2 .premium-aplus-module-13 .aplus-carousel-container {\n position: relative;\n }\n\n .aplus-v2 .premium-aplus-module-13 .aplus-carousel-element {\n position: relative;\n width: 100%;\n }\n\n .aplus-v2 .premium-aplus-module-13 .aplus-card-link-button {\n text-align: center;\n padding-top: 20px;\n }\n\n .aplus-v2 .premium-aplus-module-13 .aplus-text-background,\n .aplus-v2 .premium-aplus-module-13 .aplus-text-background h1,\n .aplus-v2 .premium-aplus-module-13 .aplus-text-background h5,\n .aplus-v2 .premium-aplus-module-13 .aplus-text-background ol,\n .aplus-v2 .premium-aplus-module-13 .aplus-text-background ul,\n .aplus-v2 .premium-aplus-module-13 .aplus-text-background ol .a-list-item,\n .aplus-v2 .premium-aplus-module-13 .aplus-text-background ul .a-list-item {\n color: #fff;\n }\n\n\u003c\/style\u003e\n \u003cstyle type=\"text\/css\"\u003e\n\n.aplus-v2 .premium-aplus-module-2 .premium-background-wrapper {\n position: relative;\n}\n\n.aplus-v2 .premium-aplus-module-2 .premium-intro-wrapper {\n position: absolute;\n width: 50%;\n height: 100%;\n top: 0;\n}\n\n.aplus-v2 .premium-aplus-module-2 .premium-intro-wrapper.right {\n left: 50%;\n}\n\nhtml[dir=\"rtl\"] .aplus-v2 .premium-aplus-module-2 .premium-intro-wrapper.right {\n left: auto;\n right: 50%;\n}\n\n.aplus-v2 .premium-aplus-module-2 .premium-intro-wrapper.secondary-color {\n color: #fff;\n}\n\n.aplus-v2 .premium-aplus-module-2 .premium-intro-background {\n padding: 20px;\n}\n\n.aplus-v2 .premium-aplus-module-2 .aplus-module-2-topic {\n padding-bottom: 10px;\n}\n\n.aplus-v2 .premium-aplus-module-2 .aplus-module-2-heading {\n padding-bottom: 20px;\n}\n\n.aplus-v2 .premium-aplus-module-2 .aplus-module-2-description {\n line-height: 1.5em;\n}\n\n.aplus-v2 .premium-aplus-module-2 .premium-intro-background.white-background {\n background: rgba(255,255,255,0.5);\n}\n\n.aplus-v2 .premium-aplus-module-2 .premium-intro-background.black-background {\n background: rgba(0,0,0,0.5);\n}\n\n.aplus-v2 .premium-aplus-module-2 .premium-intro-background.black-background,\n.aplus-v2 .premium-aplus-module-2 .premium-intro-background.black-background h1,\n.aplus-v2 .premium-aplus-module-2 .premium-intro-background.black-background h5,\n.aplus-v2 .premium-aplus-module-2 .premium-intro-background.black-background ol,\n.aplus-v2 .premium-aplus-module-2 .premium-intro-background.black-background ul,\n.aplus-v2 .premium-aplus-module-2 .premium-intro-background.black-background ol .a-list-item,\n.aplus-v2 .premium-aplus-module-2 .premium-intro-background.black-background ul .a-list-item {\n color: #fff;\n}\n\n.aplus-v2 .premium-aplus-module-2 .premium-intro-content-container {\n display: table;\n height: 100%;\n}\n\n.aplus-v2 .premium-aplus-module-2 .premium-intro-wrapper.left .premium-intro-content-container {\n padding-left: 40px;\n}\n\nhtml[dir=\"rtl\"] .aplus-v2 .premium-aplus-module-2 .premium-intro-wrapper.left .premium-intro-content-container {\n\tpadding-left: 0px;\n\tpadding-right: 40px;\n}\n\n.aplus-v2 .premium-aplus-module-2 .premium-intro-wrapper.right .premium-intro-content-container {\n padding-right: 40px;\n}\n\nhtml[dir=\"rtl\"] .aplus-v2 .premium-aplus-module-2 .premium-intro-wrapper.right .premium-intro-content-container {\n padding-right: 0px;\n padding-left: 40px;\n}\n\n.aplus-v2 .premium-aplus-module-2 .premium-intro-content-column {\n display: table-cell;\n vertical-align: middle;\n}\n\n\n\u003c\/style\u003e\n \u003cstyle type=\"text\/css\"\u003e\n\n\/**\n * Premium modules global styles\n *\/\n.aplus-v2.desktop {\n max-width: 1464px;\n min-width: 800px;\n margin-left: auto;\n margin-right: auto;\n word-wrap: break-word;\n overflow-wrap: break-word;\n word-break: break-word;\n}\n\/* Undo this for tech-specs because it breaks table layout *\/\n.aplus-v2.desktop .premium-aplus .aplus-tech-spec-table { word-break: initial; }\n\n.aplus-v2 .premium-aplus,\n.aplus-v2 .premium-aplus .aplus-h1,\n.aplus-v2 .premium-aplus .aplus-h2,\n.aplus-v2 .premium-aplus .aplus-p1,\n.aplus-v2 .premium-aplus .aplus-p2,\n.aplus-v2 .premium-aplus .aplus-p3,\n.aplus-v2 .premium-aplus .aplus-accent1,\n.aplus-v2 .premium-aplus .aplus-accent2\n{ font-family: Arial, sans-serif; }\n\n.aplus-v2 .premium-aplus,\n.aplus-v2 .premium-aplus .aplus-h1,\n.aplus-v2 .premium-aplus .aplus-h2,\n.aplus-v2 .premium-aplus .aplus-p1,\n.aplus-v2 .premium-aplus .aplus-p2,\n.aplus-v2 .premium-aplus .aplus-p3,\n.aplus-v2 .premium-aplus .aplus-accent1,\n.aplus-v2 .premium-aplus .aplus-accent2\n{ font-family: inherit; }\n\n\/* type *\/\n.aplus-v2 .premium-aplus .aplus-h1 { font-size: 32px; line-height: 1.2em; font-weight: 500; }\n.aplus-v2 .premium-aplus .aplus-h2 { font-size: 26px; line-height: 1.25em; font-weight: 500; }\n.aplus-v2 .premium-aplus .aplus-h3 { font-size: 18px; line-height: 1.25em; font-weight: 500; }\n.aplus-v2 .premium-aplus .aplus-p1 { font-size: 20px; line-height: 1.3em; font-weight: 300; }\n.aplus-v2 .premium-aplus .aplus-p2 { font-size: 16px; line-height: 1.4em; font-weight: 300; }\n.aplus-v2 .premium-aplus .aplus-p3 { font-size: 14px; line-height: 1.4em; font-weight: 300; }\n.aplus-v2 .premium-aplus .aplus-accent1 { font-size: 16px; line-height: 1.4em; font-weight: 600; }\n.aplus-v2 .premium-aplus .aplus-accent2 { font-size: 14px; line-height: 1.4em; font-weight: 600; }\n\n\/* spacing *\/\n.aplus-v2 .aplus-container-1 { padding: 40px; }\n.aplus-v2 .aplus-container-1-2 { padding: 40px 80px; }\n.aplus-v2 .aplus-container-2 { padding: 80px; }\n.aplus-v2 .aplus-container-3 { padding: 40px 0; }\n\n\/* Display *\/\n.aplus-v2 .premium-aplus .aplus-display-table { display: table; }\n.aplus-v2 .premium-aplus .aplus-display-table-cell { display: table-cell; }\n.aplus-v2 .premium-aplus .aplus-display-inline-block { display: inline-block; }\n\n\/* Aplus display table with min-width 1000px and fill remaining space inside parent *\/\n.aplus-v2.desktop .premium-aplus .aplus-display-table-width { min-width: 1000px; width: 100% }\n\n\/**\n* Padding and margin for element should be 10, 20, 40, or 80 px. Considering mini 10, small 20, medium 40, large 80.\n*\/\n\n\u003c\/style\u003e\n \u003cscript type=\"text\/javascript\"\u003e(function(f) {var _np=(window.P._namespace(\"PremiumAplusModule\"));if(_np.guardFatal){_np.guardFatal(f)(_np);}else{f(_np);}}(function(P) {\n P.now('aplus-module-tech-specs').execute('init-premium-module-tech-specs', function(init) {\n if (init) {\n return;\n }\n P.register('aplus-module-tech-specs', function() {\n function showTablesFallback(tables) {\n \/\/ unsuccessful toggling \"hide\" parent class, fallback to toggling table css directly\n if (tables \u0026\u0026 typeof tables.css === 'function') {\n tables.css('visibility','visible');\n }\n }\n function showTables(tables, hideLoadingCssClassName) {\n if (tables \u0026\u0026 typeof tables.closest === 'function') {\n var hideTableContainers = tables.closest('.' + hideLoadingCssClassName);\n if (hideTableContainers.length \u0026\u0026 typeof hideTableContainers.removeClass === 'function') {\n hideTableContainers.removeClass(hideLoadingCssClassName);\n return; \/\/ do not go to fallback\n }\n }\n showTablesFallback(tables);\n }\n function resizeSpecTables($, tables) {\n var tableHeights = [];\n tables.each(function(i, table) {\n tableHeights.push($(table).height());\n });\n var maxHeight = Math.max.apply(undefined, tableHeights);\n tables.height(maxHeight);\n }\n return function(moduleId, tableCssClassName, hideLoadingCssClassName) {\n P.when('A', 'ready').execute('premium-resize-tech-spec-tables', function(A) {\n var $ = A.$;\n var targetClassName = '.' + moduleId + ' .' + tableCssClassName;\n var tables = $(targetClassName);\n try {\n resizeSpecTables($, tables);\n showTables(tables, hideLoadingCssClassName);\n } catch (e) {\n \/\/ in case resizeSpecTables throws, try to show tables or all hides\n if (tables \u0026\u0026 tables.length) {\n showTablesFallback(tables)\n } else {\n \/\/ final attempt, show all hidden tables\n var hideTableContainers = $('.' + (hideLoadingCssClassName || 'aplus-tech-spec-hide-loading'));\n hideTableContainers.removeClass(hideLoadingCssClassName);\n }\n }\n });\n }\n });\n });\n}));\u003c\/script\u003e\n \u003cstyle type=\"text\/css\"\u003e\n .aplus-tech-spec-hide-loading {\n visibility: hidden;\n }\n .aplus-tech-spec-hide-loading:only-child {\n visibility: visible !important;\n }\n\u003c\/style\u003e\n \u003cnoscript\u003e\n \u003cstyle type=\"text\/css\"\u003e\n .aplus-tech-spec-hide-loading {\n visibility: visible !important;\n }\n \u003c\/style\u003e\n \u003c\/noscript\u003e\n \u003cstyle type=\"text\/css\"\u003e\n\n\/**\n * Premium-module 13: Carousel\n *\/\n\n.aplus-v2 .premium-aplus-module-13 .aplus-card-description-wrapper {\n position: absolute;\n top: 0;\n left: 0;\n width: 100%;\n height: 100%;\n}\n\n.aplus-v2 .premium-aplus-module-13 .aplus-card-description {\n display: table;\n width: 50%;\n height: 100%;\n color: #fff;\n}\n\n.aplus-v2 .premium-aplus-module-13 .aplus-card-table-cell {\n display: table-cell;\n vertical-align: middle;\n text-align: left;\n}\n\nhtml[dir=\"rtl\"] .aplus-v2 .premium-aplus-module-13 .aplus-card-table-cell {\n text-align: right;\n}\n\n.aplus-v2 .premium-aplus-module-13 .aplus-text-background {\n background: rgba(0, 0, 0, 0.6);\n}\n\n.aplus-v2 .premium-aplus-module-13 .aplus-card-body {\n padding: 20px 40px 0 0;\n}\n\nhtml[dir=\"rtl\"] .aplus-v2 .premium-aplus-module-13 .aplus-card-body {\n padding: 20px 0 0 40px;\n}\n\n.aplus-v2 .premium-aplus-module-13 .aplus-pagination-wrapper {\n position: absolute;\n top: 92%;\n width: 100%;\n}\n\n\u003c\/style\u003e\n \u003cstyle type=\"text\/css\"\u003e\n\n\/**\n * Premium-module 6: Comparison table - Three column\n *\/\n\n.aplus-v2 .premium-aplus-module-6 .aplus-heading {\n padding-bottom: 20px;\n}\n\n.aplus-v2 .premium-aplus-module-6 .comparison-heading-row {\n border-bottom: 2px solid #000;\n}\n\n.aplus-v2 .premium-aplus-module-6 .aplus-link {\n text-decoration: none;\n display: block;\n}\n\n.aplus-v2 .premium-aplus-module-6 .aplus-title {\n padding: 10px 0;\n}\n\n.aplus-v2 .premium-aplus-module-6 .comparison-column {\n padding: 20px 0 0 20px;\n}\n\n\u003c\/style\u003e\n \u003cdiv class=\"aplus-content-wrapper\"\u003e\n \u003cdiv class=\"celwidget aplus-module premium-module-2-fullbackground-image aplus-premium\" cel_widget_id=\"aplus-premium-module-2-fullbackground-image\"\u003e\n \u003cdiv class=\"a-section a-spacing-none premium-aplus premium-aplus-module-2\"\u003e\n \u003cdiv class=\"a-section a-spacing-none premium-background-wrapper\"\u003e\n \u003cdiv class=\"a-section a-spacing-none background-image\"\u003e\n \u003cimg alt=\"aplus content image\" class=\"a-lazy-loaded\" data-src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/e410d404-5612-4f65-b14d-e3a75a9b3dca.__CR0,0,1464,600_PT0_SX1464_V1___.jpg\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/e410d404-5612-4f65-b14d-e3a75a9b3dca.__CR0,0,1464,600_PT0_SX1464_V1___.jpg\"\u003e\n \u003cnoscript\u003e\n \u003cimg alt=\"aplus content image\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/e410d404-5612-4f65-b14d-e3a75a9b3dca.__CR0,0,1464,600_PT0_SX1464_V1___.jpg\"\u003e\n \u003c\/noscript\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"a-section a-text-center\"\u003e\u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"celwidget aplus-module premium-module-13-carousel aplus-premium\" cel_widget_id=\"aplus-premium-module-13-carousel\"\u003e\n \u003cdiv class=\"a-section a-spacing-none premium-aplus premium-aplus-module-13\"\u003e\n \u003cdiv class=\"a-section a-spacing-none aplus-carousel-container\"\u003e\n \u003cdiv id=\"premium-aplus-13-carousel-1-id\" data-a-carousel-options='{\"peek_percentage\":0,\"minimum_gutter_width\":0,\"show_partial_next\":false,\"name\":\"premium-aplus-13-carousel-1\"}' aria-label=\"Featured content carousel\" aria-roledescription=\"carousel\" data-a-display-strategy=\"single\" data-a-transition-strategy=\"slideCircular\" role=\"region\" class=\"a-begin a-carousel-container a-carousel-static a-carousel-display-single a-carousel-transition-slideCircular\"\u003e\n \u003cinput autocomplete=\"on\" type=\"hidden\" class=\"a-carousel-firstvisibleitem\"\u003e\n \u003cdiv class=\"a-row a-carousel-controls a-carousel-row a-carousel-has-buttons a-carousel-overlay-buttons a-carousel-rounded-buttons\"\u003e\n \u003cdiv class=\"a-carousel-row-inner\"\u003e\n \u003cdiv class=\"a-carousel-col a-carousel-left\"\u003e\n \u003ca class=\"a-carousel-goto-prevpage\" role=\"button\" href=\"#\"\u003e\u003ci class=\"a-icon a-icon-previous-rounded\"\u003e\u003cspan class=\"a-icon-alt\"\u003ePrevious page\u003c\/span\u003e\u003c\/i\u003e\u003c\/a\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"a-carousel-col a-carousel-center\"\u003e\n \u003cdiv class=\"a-carousel-viewport\" aria-roledescription=\"slide\"\u003e\n \u003col class=\"a-carousel\" role=\"list\"\u003e\n \u003cli aria-roledescription=\"slide\" class=\"a-carousel-card aplus-carousel-element\" aria-setsize=\"6\"\u003e\n \u003cdiv id=\"premium-aplus-13-carousel-1-slide-0\"\u003e\n \u003cdiv class=\"a-section a-spacing-none aplus-card-image\"\u003e\n \u003cimg alt=\"aplus content image\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/a5b02179-6c00-4032-8cef-f79467cf1750.__CR0,0,1464,600_PT0_SX1464_V1___.jpg\"\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/li\u003e\n \u003cli aria-roledescription=\"slide\" class=\"a-carousel-card aplus-carousel-element\" aria-setsize=\"6\"\u003e\n \u003cdiv id=\"premium-aplus-13-carousel-1-slide-1\"\u003e\n \u003cdiv class=\"a-section a-spacing-none aplus-card-image\"\u003e\n \u003cimg alt=\"aplus content image\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/c4b3d181-ae04-431d-aa57-74b580a84d38.__CR0,0,1464,600_PT0_SX1464_V1___.jpg\"\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/li\u003e\n \u003cli aria-roledescription=\"slide\" class=\"a-carousel-card aplus-carousel-element\" aria-setsize=\"6\"\u003e\n \u003cdiv id=\"premium-aplus-13-carousel-1-slide-2\"\u003e\n \u003cdiv class=\"a-section a-spacing-none aplus-card-image\"\u003e\n \u003cimg alt=\"aplus content image\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/1a60c17d-aad2-4c6b-a0f9-6365f466cd8a.__CR0,0,1464,600_PT0_SX1464_V1___.jpg\"\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/li\u003e\n \u003cli aria-roledescription=\"slide\" class=\"a-carousel-card aplus-carousel-element\" aria-setsize=\"6\"\u003e\n \u003cdiv id=\"premium-aplus-13-carousel-1-slide-3\"\u003e\n \u003cdiv class=\"a-section a-spacing-none aplus-card-image\"\u003e\n \u003cimg alt=\"Text reads \u0026amp;#39;M38 5x0.6mm Standard Thread\u0026amp;#39;. Technical diagram or schematic showing circular measurement specifications.\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/5e94e88d-7ea9-4748-9a86-13c5627678a6.__CR0,0,1464,600_PT0_SX1464_V1___.jpg\"\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/li\u003e\n \u003cli aria-roledescription=\"slide\" class=\"a-carousel-card aplus-carousel-element\" aria-setsize=\"6\"\u003e\n \u003cdiv id=\"premium-aplus-13-carousel-1-slide-4\"\u003e\n \u003cdiv class=\"a-section a-spacing-none aplus-card-image\"\u003e\n \u003cimg alt=\"aplus content image\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/d71cecb4-cf56-447f-b7c0-1c7657d35746.__CR0,0,1464,600_PT0_SX1464_V1___.jpg\"\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/li\u003e\n \u003cli aria-roledescription=\"slide\" class=\"a-carousel-card aplus-carousel-element\" aria-setsize=\"6\"\u003e\n \u003cdiv id=\"premium-aplus-13-carousel-1-slide-5\"\u003e\n \u003cdiv class=\"a-section a-spacing-none aplus-card-image\"\u003e\n \u003cimg alt=\"aplus content image\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/2c85f705-6b35-4e9c-9165-0298ada10870.__CR0,0,1464,600_PT0_SX1464_V1___.jpg\"\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/li\u003e\n \u003c\/ol\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"a-carousel-col a-carousel-right\"\u003e\n \u003ca class=\"a-carousel-goto-nextpage\" role=\"button\" href=\"#\"\u003e\u003ci class=\"a-icon a-icon-next-rounded\"\u003e\u003cspan class=\"a-icon-alt\"\u003eNext page\u003c\/span\u003e\u003c\/i\u003e\u003c\/a\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003cspan class=\"a-end aok-hidden\"\u003e\u003c\/span\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"a-section a-spacing-none aplus-pagination-wrapper\"\u003e\n \u003cstyle type=\"text\/css\"\u003e\n\n.aplus-mantle.aplus-module .aplus-pagination-dots {\n margin: 0;\n}\n\n.aplus-mantle.aplus-module .aplus-pagination-dot {\n display: inline-block;\n list-style: none;\n}\n\n.aplus-mantle.aplus-module .aplus-carousel-nav {\n text-align:center;\n}\n\n.aplus-mantle.aplus-module .carousel-slider-circle {\n display: inline-block;\n cursor: pointer;\n height: 15px;\n width: 15px;\n border: 1px solid #000;\n border-radius: 20px;\n background-color: #fff;\n margin-left: 5px;\n}\n\n.aplus-mantle.aplus-module .carousel-slider-circle.aplus-carousel-active {\n background-color: #DE7921;\n}\n\n.aplus-mantle.aplus-module .aplus-pagination-dot--display-none {\n display: none;\n}\n\n\u003c\/style\u003e\n \u003cscript\u003e\n\nP.now(\"premium-aplus-13-carousel-1\").execute(\"init-pagination-carousel\", function(init) {\n if (init) {\n return;\n }\n P.register(\"premium-aplus-13-carousel-1\", function() {\n return function() {\n P.when(\"A\", \"jQuery\", \"a-carousel-framework\", \"ready\").execute(\"paginate-carousel\", function (A, $, framework) {\n const ENTER_KEY_CODE = 13;\n const ESCAPE_KEY_CODE = 27;\n const LEFT_ARROW_KEY = 37;\n const RIGHT_ARROW_KEY = 39;\n const HOME_KEY = 36;\n const END_KEY = 35;\n\n var moduleId = \"1\";\n var carouselName = \"premium-aplus-13-carousel-1\";\n var paginationAction = \"aplus-pagination-dot-action-\" + moduleId + \"-\" + carouselName;\n var paginationGroup = \"#aplus-pagination-group-\" + moduleId + \"-\" + carouselName;\n\n \/* If the carousel goes to a new page *\/\n A.on(\"a:carousel:\"+carouselName+\":change:pageNumber\", function (data) {\n A.$(paginationGroup+\" .carousel-slider-circle\").removeClass(\"aplus-carousel-active\").attr('aria-selected', 'false').attr('tabindex', -1)\n .eq(data.newValue - 1).addClass(\"aplus-carousel-active\").attr('aria-selected', 'true').attr('tabindex', 0);\n });\n\n function syncPaginationDotsWithCarouselPages(numPages) {\n const parentElement = document.querySelector(paginationGroup);\n if (parentElement \u0026\u0026 parentElement.children) {\n const children = parentElement.children;\n for (let i = 0; i \u003c children.length; i++) {\n if (i \u003e= numPages) {\n \/\/ If number of dots \u003e num of pages, we should hide other dots\n children[i].classList.add('aplus-pagination-dot--display-none');\n } else if (children[i].classList.contains('aplus-pagination-dot--display-none')) {\n \/\/ Reset display of dots if it was hidden before\n children[i].classList.remove('aplus-pagination-dot--display-none');\n }\n }\n }\n }\n\n framework.onInit(carouselName, function (carousel) {\n try {\n var totalPages = carousel.getAttr('totalPages');\n syncPaginationDotsWithCarouselPages(totalPages);\n \/* Resize event handler to re-calculate the pagination dots count based on orientation *\/\n window.addEventListener('resize', function() {\n carousel.resize();\n totalPages = carousel.getAttr('totalPages');\n syncPaginationDotsWithCarouselPages(totalPages);\n });\n\n A.declarative(paginationAction, 'click keydown', function(event){\n var isClick = event.type === 'click';\n var isKeydown = event.type === 'keydown';\n var isEnter = isKeydown \u0026\u0026 event.$event.keyCode === ENTER_KEY_CODE;\n var isEsc = isKeydown \u0026\u0026 event.$event.keyCode === ESCAPE_KEY_CODE;\n var isLeftArrow = isKeydown \u0026\u0026 event.$event.keyCode === LEFT_ARROW_KEY;\n var isRightArrow = isKeydown \u0026\u0026 event.$event.keyCode === RIGHT_ARROW_KEY;\n var isHome = isKeydown \u0026\u0026 event.$event.keyCode === HOME_KEY;\n var isEnd = isKeydown \u0026\u0026 event.$event.keyCode === END_KEY;\n\n if (isClick || isEnter) {\n var data = event.data;\n carousel.gotoPage(data.page);\n } else if (isEsc) {\n event.$target.blur();\n } else if (isLeftArrow || isRightArrow || isHome || isEnd) {\n event.$event.preventDefault();\n const dots = A.$(paginationGroup + \" .carousel-slider-circle\");\n const currentIndex = dots.index(event.$target);\n let nextIndex;\n\n if (isLeftArrow) {\n nextIndex = currentIndex \u003e 0 ? currentIndex - 1 : dots.length - 1;\n } else if (isRightArrow) {\n nextIndex = currentIndex \u003c dots.length - 1 ? currentIndex + 1 : 0;\n } else if (isHome) {\n nextIndex = 0;\n } else if (isEnd) {\n nextIndex = dots.length - 1;\n }\n\n dots.eq(nextIndex).focus();\n carousel.gotoPage(nextIndex + 1);\n }\n });\n } catch (e) {\n P.log('Failed to init ' + carouselName + '. Error: ' + e.message, 'FATAL', 'AplusModuleResources');\n }\n });\n });\n }\n });\n});\n\u003c\/script\u003e\n \u003cdiv class=\"aplus-mantle aplus-module\"\u003e\n \u003cdiv class=\"aplus-carousel-nav\"\u003e\n \u003cul id=\"aplus-pagination-group-1-premium-aplus-13-carousel-1\" class=\"aplus-pagination-dots\" aria-label=\"tablist-section\" role=\"tablist\"\u003e\n \u003cli class=\"aplus-pagination-dot\"\u003e\u003cspan class=\"a-declarative carousel-slider-circle aplus-display-inline-block aplus-carousel-active\" aria-selected=\"true\" data-action=\"aplus-pagination-dot-action-1-premium-aplus-13-carousel-1\" data-aplus-pagination-dot-action-1-premium-aplus-13-carousel-1='{\"page\": 1}' aria-label=\"slide-1\" aria-controls=\"premium-aplus-13-carousel-1-slide-0\" tabindex=\"0\" role=\"tab\"\u003e\u003c\/span\u003e\u003c\/li\u003e\n \u003cli class=\"aplus-pagination-dot\"\u003e\u003cspan class=\"a-declarative carousel-slider-circle aplus-display-inline-block \" aria-selected=\"false\" data-action=\"aplus-pagination-dot-action-1-premium-aplus-13-carousel-1\" data-aplus-pagination-dot-action-1-premium-aplus-13-carousel-1='{\"page\": 2}' aria-label=\"slide-2\" aria-controls=\"premium-aplus-13-carousel-1-slide-1\" tabindex=\"-1\" role=\"tab\"\u003e\u003c\/span\u003e\u003c\/li\u003e\n \u003cli class=\"aplus-pagination-dot\"\u003e\u003cspan class=\"a-declarative carousel-slider-circle aplus-display-inline-block \" aria-selected=\"false\" data-action=\"aplus-pagination-dot-action-1-premium-aplus-13-carousel-1\" data-aplus-pagination-dot-action-1-premium-aplus-13-carousel-1='{\"page\": 3}' aria-label=\"slide-3\" aria-controls=\"premium-aplus-13-carousel-1-slide-2\" tabindex=\"-1\" role=\"tab\"\u003e\u003c\/span\u003e\u003c\/li\u003e\n \u003cli class=\"aplus-pagination-dot\"\u003e\u003cspan class=\"a-declarative carousel-slider-circle aplus-display-inline-block \" aria-selected=\"false\" data-action=\"aplus-pagination-dot-action-1-premium-aplus-13-carousel-1\" data-aplus-pagination-dot-action-1-premium-aplus-13-carousel-1='{\"page\": 4}' aria-label=\"slide-4\" aria-controls=\"premium-aplus-13-carousel-1-slide-3\" tabindex=\"-1\" role=\"tab\"\u003e\u003c\/span\u003e\u003c\/li\u003e\n \u003cli class=\"aplus-pagination-dot\"\u003e\u003cspan class=\"a-declarative carousel-slider-circle aplus-display-inline-block \" aria-selected=\"false\" data-action=\"aplus-pagination-dot-action-1-premium-aplus-13-carousel-1\" data-aplus-pagination-dot-action-1-premium-aplus-13-carousel-1='{\"page\": 5}' aria-label=\"slide-5\" aria-controls=\"premium-aplus-13-carousel-1-slide-4\" tabindex=\"-1\" role=\"tab\"\u003e\u003c\/span\u003e\u003c\/li\u003e\n \u003cli class=\"aplus-pagination-dot\"\u003e\u003cspan class=\"a-declarative carousel-slider-circle aplus-display-inline-block \" aria-selected=\"false\" data-action=\"aplus-pagination-dot-action-1-premium-aplus-13-carousel-1\" data-aplus-pagination-dot-action-1-premium-aplus-13-carousel-1='{\"page\": 6}' aria-label=\"slide-6\" aria-controls=\"premium-aplus-13-carousel-1-slide-5\" tabindex=\"-1\" role=\"tab\"\u003e\u003c\/span\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"a-section a-text-center\"\u003e\u003c\/div\u003e\n \u003c\/div\u003e\n \u003cscript type=\"text\/javascript\"\u003e(function(f) {var _np=(window.P._namespace(\"PremiumAplusModule\"));if(_np.guardFatal){_np.guardFatal(f)(_np);}else{f(_np);}}(function(P) {\n P.when(\"premium-aplus-13-carousel-1\").execute('invoke-premium-13-carousel-desktop', function(init){init();});\n}));\u003c\/script\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"celwidget aplus-module premium-module-1-image-text aplus-premium\" cel_widget_id=\"aplus-premium-module-1-image-text\"\u003e\n \u003cdiv class=\"a-section a-spacing-none premium-aplus premium-aplus-module-1 aplus-container-1\"\u003e\n \u003cdiv class=\"a-section a-spacing-none aplus-display-table\"\u003e\n \u003cdiv class=\"a-section a-spacing-none aplus-module-section aplus-display-table-cell aplus-text-section-left\"\u003e\n \u003ch3 class=\"aplus-h1 aplus-module-1-heading a-text-bold\"\u003eSharper Nebula Imaging\u003c\/h3\u003e\n \u003cp class=\"aplus-p2 aplus-module-1-description\"\u003eFeaturing a 7nm FWHM bandwidth and Tavg ≥88% transmission, it precisely isolates key nebula emission lines while blocking over 99.999% of unwanted light (OD5). With its wide 300–1000nm cut-off range, this filter delivers exceptional light pollution resistance and a higher signal-to-noise ratio, ensuring crisp, high-contrast deep-sky images even under city skies.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"a-section a-spacing-none aplus-module-section aplus-display-table-cell aplus-image-section\"\u003e\n \u003cimg alt=\"aplus content image\" class=\"a-lazy-loaded\" data-src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/7349efaf-511e-4e84-b590-a9d2193b000f.__CR0,0,800,600_PT0_SX800_V1___.jpg\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/7349efaf-511e-4e84-b590-a9d2193b000f.__CR0,0,800,600_PT0_SX800_V1___.jpg\"\u003e\n \u003cnoscript\u003e\n \u003cimg alt=\"aplus content image\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/7349efaf-511e-4e84-b590-a9d2193b000f.__CR0,0,800,600_PT0_SX800_V1___.jpg\"\u003e\n \u003c\/noscript\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"celwidget aplus-module premium-module-1-image-text aplus-premium\" cel_widget_id=\"aplus-premium-module-1-image-text\"\u003e\n \u003cdiv class=\"a-section a-spacing-none premium-aplus premium-aplus-module-1 aplus-container-1\"\u003e\n \u003cdiv class=\"a-section a-spacing-none aplus-display-table\"\u003e\n \u003cdiv class=\"a-section a-spacing-none aplus-module-section aplus-display-table-cell aplus-image-section\"\u003e\n \u003cimg alt=\"Text reads \u0026amp;#39;Ready to Use\u0026amp;#39;. Series of technical product images showing blue-lit digital displays and camera interfaces against blue backgrounds.\" class=\"a-lazy-loaded\" data-src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/0770c6f2-8dde-46ec-9428-c1bc179d6ed4.__CR0,0,800,600_PT0_SX800_V1___.jpg\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/0770c6f2-8dde-46ec-9428-c1bc179d6ed4.__CR0,0,800,600_PT0_SX800_V1___.jpg\"\u003e\n \u003cnoscript\u003e\n \u003cimg alt=\"Text reads \u0026amp;#39;Ready to Use\u0026amp;#39;. Series of technical product images showing blue-lit digital displays and camera interfaces against blue backgrounds.\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/0770c6f2-8dde-46ec-9428-c1bc179d6ed4.__CR0,0,800,600_PT0_SX800_V1___.jpg\"\u003e\n \u003c\/noscript\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"a-section a-spacing-none aplus-module-section aplus-display-table-cell aplus-text-section-right\"\u003e\n \u003ch3 class=\"aplus-h1 aplus-module-1-heading a-text-bold\"\u003eCombination\u003c\/h3\u003e\n \u003cp class=\"aplus-p2 aplus-module-1-description\"\u003eThe SV220 1.25\" SII + OIII 7nm Dual-Narrowband Nebula Filter is compatible with the following components: SV550 Telescope(not included), SV209 Field Flattener(not included), SV226 Telescope Filter Drawer(not included), M42 to M28.5 Adapter (not included), SV405CC Cooled Camera (not included).\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"celwidget aplus-module premium-module-2-fullbackground-image aplus-premium\" cel_widget_id=\"aplus-premium-module-2-fullbackground-image\"\u003e\n \u003cdiv class=\"a-section a-spacing-none premium-aplus premium-aplus-module-2\"\u003e\n \u003cdiv class=\"a-section a-spacing-none premium-background-wrapper\"\u003e\n \u003cdiv class=\"a-section a-spacing-none background-image\"\u003e\n \u003cimg alt=\"aplus content image\" class=\"a-lazy-loaded\" data-src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/44ca0885-c16a-46cb-9983-82aefd8543bc.__CR0,0,1464,600_PT0_SX1464_V1___.jpg\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/44ca0885-c16a-46cb-9983-82aefd8543bc.__CR0,0,1464,600_PT0_SX1464_V1___.jpg\"\u003e\n \u003cnoscript\u003e\n \u003cimg alt=\"aplus content image\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/44ca0885-c16a-46cb-9983-82aefd8543bc.__CR0,0,1464,600_PT0_SX1464_V1___.jpg\"\u003e\n \u003c\/noscript\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"a-section a-text-center\"\u003e\u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"celwidget aplus-module premium-module-16-tech-specs aplus-premium\" cel_widget_id=\"aplus-premium-module-16-tech-specs\"\u003e\n \u003cdiv class=\"a-section a-spacing-none aplus-index-5 premium-aplus premium-aplus-module-16 aplus-container-3\"\u003e\n \u003cdiv class=\"a-row\"\u003e\n \u003cdiv class=\"a-column a-span6 aplus-tech-spec-hide-loading\"\u003e\n \u003ctable class=\"a-bordered a-horizontal-stripes aplus-tech-spec-table\"\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003e Size \u003c\/span\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003cspan\u003e 1.25-Inch \u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003e Substrate Thickness \u003c\/span\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003cspan\u003e 1.80mm \u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003e Clear Aperture \u003c\/span\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003cspan\u003e 26mm \u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003e Wavelength Range \u003c\/span\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003cspan\u003e 300-1000nm \u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003e FWHM \u003c\/span\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003cspan\u003e 7nm \u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003e Blocking \u003c\/span\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003cspan\u003e ≥OD5 \u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"a-column a-span6 aplus-tech-spec-hide-loading a-span-last\"\u003e\n \u003ctable class=\"a-bordered a-horizontal-stripes aplus-tech-spec-table\"\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003e Peak transmittance \u003c\/span\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003cspan\u003e ≥88% \u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003e Surface Quality \u003c\/span\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003cspan\u003e 60\/40 \u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003e Surface Parallelism \u003c\/span\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003cspan\u003e 1\/2λ \u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003e Thread \u003c\/span\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003cspan\u003e M28.5x0.6 \u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003e Single Thread \u003c\/span\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003cspan\u003e Yes \u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003e Net Weight \u003c\/span\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003cspan\u003e 7g \u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003cscript type=\"text\/javascript\"\u003e(function(f) {var _np=(window.P._namespace(\"PremiumAplusModule\"));if(_np.guardFatal){_np.guardFatal(f)(_np);}else{f(_np);}}(function(P) {\n P.when('aplus-module-tech-specs').execute('invoke-premium-tech-spec-resize', function(resizeSpecTables) {\n resizeSpecTables('aplus-index-5', 'aplus-tech-spec-table', 'aplus-tech-spec-hide-loading');\n });\n }));\u003c\/script\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"celwidget aplus-module premium-module-6-three-column-comparison aplus-premium\" cel_widget_id=\"aplus-premium-module-6-three-column-comparison\"\u003e\n \u003cdiv class=\"a-section a-spacing-none premium-aplus premium-aplus-module-6 aplus-container-1\"\u003e\n \u003ch3 class=\"a-text-center aplus-heading aplus-h1 a-text-bold\"\u003eSvbony sv220 filters\u003c\/h3\u003e\n \u003cdiv class=\"a-section a-spacing-none {'comparison-container'}\"\u003e\n \u003ctable class=\"a-normal\"\u003e\n \u003ctbody\u003e\n \u003ctr class=\"comparison-heading-row\"\u003e\n \u003cth class=\"a-align-bottom\"\u003e\u003ca class=\"a-link-normal aplus-link\" href=\"\/dp\/B0CHYBHL96?ref=emc_p_m_6_i\"\u003e \n \u003cdiv class=\"a-section a-spacing-none a-text-center\"\u003e\n \u003cimg alt=\"\" class=\"a-lazy-loaded\" data-src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/69272d93-2542-4ed8-a85e-5fcc91944c47.__CR0,0,300,225_PT0_SX300_V1___.jpg\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/69272d93-2542-4ed8-a85e-5fcc91944c47.__CR0,0,300,225_PT0_SX300_V1___.jpg\"\u003e\n \u003cnoscript\u003e\n \u003cimg alt=\"\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/69272d93-2542-4ed8-a85e-5fcc91944c47.__CR0,0,300,225_PT0_SX300_V1___.jpg\"\u003e\n \u003c\/noscript\u003e\n \u003c\/div\u003e \n \u003cdiv class=\"a-section a-spacing-none a-text-center aplus-title\"\u003e\n \u003cp class=\"a-text-center aplus-title aplus-p2 a-text-bold\"\u003eSV220 7nm H-Alpha\u0026amp;Olll\u003c\/p\u003e\n \u003c\/div\u003e \n \u003c\/a\u003e\u003c\/th\u003e\n \u003cth class=\"a-align-bottom\"\u003e\u003ca class=\"a-link-normal aplus-link\" href=\"\/dp\/B0FNWJ4D9N?ref=emc_p_m_6_i\"\u003e \n \u003cdiv class=\"a-section a-spacing-none a-text-center\"\u003e\n \u003cimg alt=\"\" class=\"a-lazy-loaded\" data-src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/42e667ff-5029-4e22-9437-036784baf293.__CR0,0,300,225_PT0_SX300_V1___.jpg\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/42e667ff-5029-4e22-9437-036784baf293.__CR0,0,300,225_PT0_SX300_V1___.jpg\"\u003e\n \u003cnoscript\u003e\n \u003cimg alt=\"\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/42e667ff-5029-4e22-9437-036784baf293.__CR0,0,300,225_PT0_SX300_V1___.jpg\"\u003e\n \u003c\/noscript\u003e\n \u003c\/div\u003e \n \u003cdiv class=\"a-section a-spacing-none a-text-center aplus-title\"\u003e\n \u003cp class=\"a-text-center aplus-title aplus-p2 a-text-bold\"\u003eSV220 3nm H-Alpha\u0026amp;Olll\u003c\/p\u003e\n \u003c\/div\u003e \n \u003c\/a\u003e\u003c\/th\u003e\n \u003cth class=\"a-align-bottom\"\u003e\u003ca class=\"a-link-normal aplus-link\" href=\"\/dp\/B0FWK8JMZP?ref=emc_p_m_6_i\"\u003e \n \u003cdiv class=\"a-section a-spacing-none a-text-center\"\u003e\n \u003cimg alt=\"\" class=\"a-lazy-loaded\" data-src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/198042e9-ba7c-41c5-b91a-53f6f3a4f586.__CR0,0,300,225_PT0_SX300_V1___.jpg\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/198042e9-ba7c-41c5-b91a-53f6f3a4f586.__CR0,0,300,225_PT0_SX300_V1___.jpg\"\u003e\n \u003cnoscript\u003e\n \u003cimg alt=\"\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/198042e9-ba7c-41c5-b91a-53f6f3a4f586.__CR0,0,300,225_PT0_SX300_V1___.jpg\"\u003e\n \u003c\/noscript\u003e\n \u003c\/div\u003e \n \u003cdiv class=\"a-section a-spacing-none a-text-center aplus-title\"\u003e\n \u003cp class=\"a-text-center aplus-title aplus-p2 a-text-bold\"\u003eSV220 7nm SII +OIII\u003c\/p\u003e\n \u003c\/div\u003e \n \u003c\/a\u003e\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"comparison-column\"\u003e\n \u003cp class=\"aplus-p3 a-text-bold\"\u003eFWHM\u003c\/p\u003e\n \u003cp class=\"aplus-p3\"\u003e7nm\u003c\/p\u003e\n \u003c\/td\u003e\n \u003ctd class=\"comparison-column\"\u003e\n \u003cp class=\"aplus-p3 a-text-bold\"\u003eFWHM\u003c\/p\u003e\n \u003cp class=\"aplus-p3\"\u003e3±1nm\u003c\/p\u003e\n \u003c\/td\u003e\n \u003ctd class=\"comparison-column\"\u003e\n \u003cp class=\"aplus-p3 a-text-bold\"\u003eFWHM\u003c\/p\u003e\n \u003cp class=\"aplus-p3\"\u003e7nm\u003c\/p\u003e\n \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"comparison-column\"\u003e\n \u003cp class=\"aplus-p3 a-text-bold\"\u003ePeak Transmittance\u003c\/p\u003e\n \u003cp class=\"aplus-p3\"\u003e94%\u003c\/p\u003e\n \u003c\/td\u003e\n \u003ctd class=\"comparison-column\"\u003e\n \u003cp class=\"aplus-p3 a-text-bold\"\u003ePeak Transmittance\u003c\/p\u003e\n \u003cp class=\"aplus-p3\"\u003eOIII, H-alpha average ≥85%\u003c\/p\u003e\n \u003c\/td\u003e\n \u003ctd class=\"comparison-column\"\u003e\n \u003cp class=\"aplus-p3 a-text-bold\"\u003ePeak Transmittance\u003c\/p\u003e\n \u003cp class=\"aplus-p3\"\u003eTavg≥88%\u003c\/p\u003e\n \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"comparison-column\"\u003e\n \u003cp class=\"aplus-p3 a-text-bold\"\u003eCWL\u003c\/p\u003e\n \u003cp class=\"aplus-p3\"\u003e500.7nm;656.3nm\u003c\/p\u003e\n \u003c\/td\u003e\n \u003ctd class=\"comparison-column\"\u003e\n \u003cp class=\"aplus-p3 a-text-bold\"\u003eCWL\u003c\/p\u003e\n \u003cp class=\"aplus-p3\"\u003e500.7nm;656.3nm\u003c\/p\u003e\n \u003c\/td\u003e\n \u003ctd class=\"comparison-column\"\u003e\n \u003cp class=\"aplus-p3 a-text-bold\"\u003eThread\u003c\/p\u003e\n \u003cp class=\"aplus-p3\"\u003eM28.5x0.6mm\u003c\/p\u003e\n \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"comparison-column\"\u003e\n \u003cp class=\"aplus-p3 a-text-bold\"\u003eAperture\u003c\/p\u003e\n \u003cp class=\"aplus-p3\"\u003e44mm\u003c\/p\u003e\n \u003c\/td\u003e\n \u003ctd class=\"comparison-column\"\u003e\n \u003cp class=\"aplus-p3 a-text-bold\"\u003eAperture\u003c\/p\u003e\n \u003cp class=\"aplus-p3\"\u003e44mm\u003c\/p\u003e\n \u003c\/td\u003e\n \u003ctd class=\"comparison-column\"\u003e\n \u003cp class=\"aplus-p3 a-text-bold\"\u003eAperture\u003c\/p\u003e\n \u003cp class=\"aplus-p3\"\u003e26mm\u003c\/p\u003e\n \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"comparison-column\"\u003e\n \u003cp class=\"aplus-p3 a-text-bold\"\u003eCut-off Wavelength\u003c\/p\u003e\n \u003cp class=\"aplus-p3\"\u003e300-1000nm\u003c\/p\u003e\n \u003c\/td\u003e\n \u003ctd class=\"comparison-column\"\u003e\n \u003cp class=\"aplus-p3 a-text-bold\"\u003eCut-off Wavelength\u003c\/p\u003e\n \u003cp class=\"aplus-p3\"\u003e300-1050nm\u003c\/p\u003e\n \u003c\/td\u003e\n \u003ctd class=\"comparison-column\"\u003e\n \u003cp class=\"aplus-p3 a-text-bold\"\u003eCut-off Wavelength\u003c\/p\u003e\n \u003cp class=\"aplus-p3\"\u003e300-1000nm\u003c\/p\u003e\n \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv id=\"feature-bullets\" class=\"a-section a-spacing-medium a-spacing-top-small\"\u003e\n \u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n \u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e Average cut-off depth ≥OD5: SVBONY SV220 SII and O-III 1.25-Inch Filter blocks over 99.999% of unwanted light; eliminating skyglow and stray illumination for ultra-clean data capture and vivid; accurate nebula emission details \u003c\/span\u003e\u003c\/li\u003e\n \u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e Precision 7nm bandwidth: the SV220 1.25-Inch Telescope Filter features a precise 7nm bandwidth; isolating SII (672nm) and OIII (500.7nm) lines; reducing background light; and revealing nebular details with high contrast even under light-polluted skies \u003c\/span\u003e\u003c\/li\u003e\n \u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e Peak transmission ≥88% for brighter imaging: 1.25-Inch Telescope Filter delivers 88%+ transmission at SII and OIII; maximizing light; enhancing nebula contrast; revealing fine structures; ideal for one-shot color cameras in light-polluted skies \u003c\/span\u003e\u003c\/li\u003e\n \u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e M28.5×0.6mm universal thread: Narrowband Filter compatible with a wide range of telescopes and optical systems; ideal for deep-sky imaging and capturing emission nebulae with enhanced contrast and detail \u003c\/span\u003e\u003c\/li\u003e\n \u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e Optimized for OSC cameras: the SV220 1.25-Inch Telescope Filter captures SII and OIII lines precisely; avoids multiple filter swaps; enables SHO color balance; preserves nebular details; ideal for deep-sky imaging in light-polluted skies \u003c\/span\u003e\u003c\/li\u003e\n \u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e 26mm effective aperture: the SVBONY SV220 SII and O-III Filter features a 26mm clear aperture; suitable for small and medium-sized sensors; ensuring full light transmission and optimal imaging performance \u003c\/span\u003e\u003c\/li\u003e\n \u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e Optical systems from \u0026gt; f\/4: SV220 1.25-Inch Telescope Filter is not suitable for visual observation and not designed for imaging; recommended for optical systems from \u0026gt; f\/4 \u003c\/span\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cdiv data-csa-c-content-id=\"voyager-product-details-jumplink\" data-csa-c-slot-id=\"voyager-product-details-jumplink\" data-csa-c-type=\"link\" class=\"a-section aok-hidden\"\u003e\n \u003cspan class=\"caretnext\"\u003e›\u003c\/span\u003e \u003ca id=\"seeMoreDetailsLink\" class=\"a-link-normal\" href=\"#productDetails\"\u003e See more product details \u003c\/a\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"a-section a-spacing-small a-spacing-top-small\"\u003e\n \u003ctable class=\"a-normal a-spacing-micro\" role=\"list\"\u003e\n \u003ctbody\u003e\n \u003ctr class=\"a-spacing-small po-brand\" role=\"listitem\"\u003e\n \u003ctd class=\"a-span3\" role=\"presentation\"\u003e\u003cspan class=\"a-size-base a-text-bold\"\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n \u003ctd class=\"a-span9\" role=\"presentation\"\u003e\u003cspan class=\"a-size-base po-break-word\"\u003eSVBONY\u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr class=\"a-spacing-small po-material\" role=\"listitem\"\u003e\n \u003ctd class=\"a-span3\" role=\"presentation\"\u003e\u003cspan class=\"a-size-base a-text-bold\"\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n \u003ctd class=\"a-span9\" role=\"presentation\"\u003e\u003cspan class=\"a-size-base po-break-word\"\u003eAluminium\u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr class=\"a-spacing-small po-photo_filter_thread_size\" role=\"listitem\"\u003e\n \u003ctd class=\"a-span3\" role=\"presentation\"\u003e\u003cspan class=\"a-size-base a-text-bold\"\u003ePhoto filter thread size\u003c\/span\u003e\u003c\/td\u003e\n \u003ctd class=\"a-span9\" role=\"presentation\"\u003e\u003cspan class=\"a-size-base po-break-word\"\u003e28.5 Millimetres\u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr class=\"a-spacing-small po-coating.description\" role=\"listitem\"\u003e\n \u003ctd class=\"a-span3\" role=\"presentation\"\u003e\u003cspan class=\"a-size-base a-text-bold\"\u003eCoating description\u003c\/span\u003e\u003c\/td\u003e\n \u003ctd class=\"a-span9\" role=\"presentation\"\u003e\u003cspan class=\"a-size-base po-break-word\"\u003eMulti Coating\u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr class=\"a-spacing-small po-photo_filter_effect_type\" role=\"listitem\"\u003e\n \u003ctd class=\"a-span3\" role=\"presentation\"\u003e\u003cspan class=\"a-size-base a-text-bold\"\u003ePhoto filter effect type\u003c\/span\u003e\u003c\/td\u003e\n \u003ctd class=\"a-span9\" role=\"presentation\"\u003e\u003cspan class=\"a-size-base po-break-word\"\u003eNebula Enhancement\u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr class=\"a-spacing-small po-water_resistance_level\" role=\"listitem\"\u003e\n \u003ctd class=\"a-span3\" role=\"presentation\"\u003e\u003cspan class=\"a-size-base a-text-bold\"\u003eWater resistance level\u003c\/span\u003e\u003c\/td\u003e\n \u003ctd class=\"a-span9\" role=\"presentation\"\u003e\u003cspan class=\"a-size-base po-break-word\"\u003eNot Water Resistant\u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr class=\"a-spacing-small po-item_length_width\" role=\"listitem\"\u003e\n \u003ctd class=\"a-span3\" role=\"presentation\"\u003e\u003cspan class=\"a-size-base a-text-bold\"\u003eProduct dimensions\u003c\/span\u003e\u003c\/td\u003e\n \u003ctd class=\"a-span9\" role=\"presentation\"\u003e\u003cspan class=\"a-size-base po-break-word\"\u003e32L x 32W millimetres\u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr class=\"a-spacing-small po-photo_filter_size\" role=\"listitem\"\u003e\n \u003ctd class=\"a-span3\" role=\"presentation\"\u003e\u003cspan class=\"a-size-base a-text-bold\"\u003ePhoto Filter Size\u003c\/span\u003e\u003c\/td\u003e\n \u003ctd class=\"a-span9\" role=\"presentation\"\u003e\u003cspan class=\"a-size-base po-break-word\"\u003e28.5 Millimeters\u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr class=\"a-spacing-small po-number_of_items\" role=\"listitem\"\u003e\n \u003ctd class=\"a-span3\" role=\"presentation\"\u003e\u003cspan class=\"a-size-base a-text-bold\"\u003eNumber of items\u003c\/span\u003e\u003c\/td\u003e\n \u003ctd class=\"a-span9\" role=\"presentation\"\u003e\u003cspan class=\"a-size-base po-break-word\"\u003e1\u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr class=\"a-spacing-small po-set_name\" role=\"listitem\"\u003e\n \u003ctd class=\"a-span3\" role=\"presentation\"\u003e\u003cspan class=\"a-size-base a-text-bold\"\u003eSet Name\u003c\/span\u003e\u003c\/td\u003e\n \u003ctd class=\"a-span9\" role=\"presentation\"\u003e\u003cspan class=\"a-size-base po-break-word\"\u003esingle\u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\u003c\/div\u003e","brand":"Oak Astro","offers":[{"title":"1.25\"","offer_id":54424632164685,"sku":null,"price":94.99,"currency_code":"GBP","in_stock":true},{"title":"2\"","offer_id":54424632197453,"sku":null,"price":154.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/8289\/6205\/files\/61AuHCwUOvL._AC_SL1500.jpg?v=1785359584","url":"https:\/\/oakastro.com\/products\/svbony-sv220-telescope-filter-sii-oiii-7nm-dual-band-1-25-nebula-filter-88-peak-transmission-with-od5-cut-off-depth-telescope-accessory-reduce-light-pollution-for-imaging-emission-nebulae","provider":"Oak Astro","version":"1.0","type":"link"}