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Optolong L-eNhance Filter 2 Inches

Optolong L-eNhance Filter 2 Inches

Regular price £197.10 GBP
Regular price £197.10 GBP Sale price £197.10 GBP
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Optolong believes that the design of our L-eNhance filter is a technical innovation between filters. Effectively isolates the emission lines of H-Alpha, H-Beta and Oxygen III nebula and reaches a maximum transmission of up to 90%. The performance of this filter provides images that control the impact of polluted light skies.
L-eNhance Filter Spectrum Curve Based on the characteristics of the light body emission lines and the characteristic of light pollution of the spectrum, Optolong has specially designed and optimized the L-eNhance dual-band filter to maintain the predominant color of the RGB nebula while blocking most of light pollution. Spectrum as shown in the picture

Substrate: B270
Thickness: 1.85mm
Tpeak: T> 90%
Lock range: 300-1000nm
Block depth: block the light pollution line > 99%
Surface quality: 60/40
Transmitted Wavefront RMS: λ / 4.
Parallelism (arcsec): 30spact from bright and polluted skies.

  • L-eNhance provides an economical and practical solution for amateurs. 2 inch version.
  • It is a dual-band pass filter that is designed for DSLR(DSLR), Color CMOS and CCD cameras.
  • The convenience and affordability of this filter allows amateurs to see a rich selection of astronomical images, even in bright areas and heavily polluted by light.
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