Optolong Black Friday Promotion 2024

Optolong Black Friday Promotion! Save up to 20% on selected filters. Promotion ends 30th of November 2024 so be quick!

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Optolong CLS Light Pollution Filter 1.25"~~£37.00~~ £29.00 The Optolong CLS (City Light Suppression) broadband filter is designed to improve the visibility of various deepsky objects by selectively reducing the transmission of wavelengths of light pollutants			Optolong UHC Light Pollution Filter 1.25"~~£37.00~~ £29.00 The UHC (Ultra High Contrast) broadband filter is designed to improve the visibility of various deepsky objects by selectively reducing the transmission of wavelengths of light pollutants			Optolong CLS Light Pollution Filter 2"~~£57.00~~ £45.00 The Optolong CLS (City Light Suppression) broadband filter is designed to improve the visibility of various deepsky objects by selectively reducing the transmission of wavelengths of light pollutants			Optolong UHC Light Pollution Filter 2"~~£58.00~~ £46.00 The UHC (Ultra High Contrast) broadband filter is designed to improve the visibility of various deepsky objects by selectively reducing the transmission of wavelengths of light pollutants


Optolong CLS CCD Light Pollution Filter 1.25"~~£65.00~~ £52.00 The CLS-CCD broadband filter is designed to improve the visibility of various deepsky objects. By selectively reducing the transmission of wavelengths of light pollutants, specifically those produced by artificial lightings			Optolong CLS Light Pollution Filter EOS Clip~~£65.00~~ £52.00 The Optolong CLS (City Light Suppression) broadband filter is designed to improve the visibility of various deepsky objects by selectively reducing the transmission of wavelengths of light pollutants			Optolong CLS Light Pollution Filter EOS Full Frame~~£85.00~~ £63.00 The Optolong CLS (City Light Suppression) broadband filter is designed to improve the visibility of various deepsky objects by selectively reducing the transmission of wavelengths of light pollutants			Optolong L-Pro Broadband Light Pollution Filter 1.25"~~£97.00~~ £82.00 The L-Pro (L-Professional) filter is designed to improve the visibility of various deepsky objects. By selectively reducing the transmission of wavelengths of light pollutants, specifically those produced by artificial lightings


Optolong CLS CCD Light Pollution Filter 2"~~£99.00~~ £85.00 The CLS-CCD broadband filter is designed to improve the visibility of various deepsky objects. By selectively reducing the transmission of wavelengths of light pollutants, specifically those produced by artificial lightings			Optolong OIII 6.5nm Narrowband Deep Sky Imaging Filter 1.25"~~£109.00~~ £87.00 The Optolong extra Narrowband OIII-CCD 6.5nm filter is designed for nebula observation allowing 6.5nm bandwidth of light centered on a wavelength of 500nm through, which corresponds to OIII emission lines, and reducing the transmission of certain wavelengths of light			Optolong SII 6.5nm Narrowband Deep Sky Imaging Filter 1.25"~~£109.00~~ £87.00 Optolong extra narrowband SII-CCD 6.5nm filter (Sulful II for CCD) is designed for nebula observation allowing 6.5nm bandwidth of light centered on a wavelength of 672nm through, and reducing the transmission of certain wavelengths			Optolong CLS CCD Light Pollution Filter EOS Clip~~£115.00~~ £88.00 The CLS-CCD broadband filter is designed to improve the visibility of various deepsky objects. By selectively reducing the transmission of wavelengths of light pollutants, specifically those produced by artificial lightings


Optolong H-Alpha 7nm Narrowband Deep Sky Imaging Filter 1.25"~~£119.00~~ £95.00 The H-Alpha 7nm filter is the most popular narrowband filter allowing 7nm bandwidth of light centered on a wavelength of 656nm through, and reducing the transmission of certain wavelengths of light			Optolong L-eNhance Dual Narrowband Deep Sky Imaging Filter 1.25"~~£116.00~~ £98.00 L-eNhance provides an economical and practical solution for amateurs. It is a dual-band pass filter which has been designed for DSLR (digital SLR), color CMOS and CCD cameras.			Optolong L-Pro Broadband Light Pollution Filter 2"~~£129.00~~ £109.00 The L-Pro (L-Professional) filter is designed to improve the visibility of various deepsky objects. By selectively reducing the transmission of wavelengths of light pollutants, specifically those produced by artificial lightings			Optolong H-Alpha 7nm Narrowband Deep Sky Imaging Filter EOS Clip~~£139.00~~ £110.00 The H-Alpha 7nm filter is the most popular narrowband filter allowing 7nm bandwidth of light centered on a wavelength of 656nm through, and reducing the transmission of certain wavelengths of light

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Page 1 of 2: 32 Items