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Optolong

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Optolong Moon & Skyglow Filter 1.25''

Optolong Moon & Skyglow Filter 1.25"£32.00

The Optolong Moon & Skyglow filter is designed to darken the background sky by blocking light transmission from skyglow 589nm and many street light emissions from artificial light.

Optolong CLS Light Pollution Filter 1.25''

Optolong CLS Light Pollution Filter 1.25"£43.00   £37.00

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''

Optolong UHC Light Pollution Filter 1.25"£43.00   £38.00

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 UV/IR Cut Filter 1.25''

Optolong UV/IR Cut Filter 1.25"£44.00

UV-IR cut filter is designed for ultraviolet and infrared wavelength
blocking to improve sharpness of the image as most of the optics are
designed for the visible spectrum

Optolong Moon & Skyglow Filter 2''

Optolong Moon & Skyglow Filter 2"£49.00

The Optolong Moon & Skyglow filter is designed to darken the background sky by blocking light transmission from skyglow 589nm and many street light emissions from artificial light.

Optolong CLS Light Pollution Filter 2''

Optolong CLS Light Pollution Filter 2"£67.00   £57.00

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''

Optolong UHC Light Pollution Filter 2"£67.00   £61.00

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''

Optolong CLS CCD Light Pollution Filter 1.25"£125.00   £64.00

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 UV/IR Cut Filter 2''

Optolong UV/IR Cut Filter 2"£65.00

UV-IR cut filter is designed for ultraviolet and infrared wavelength
blocking to improve sharpness of the image as most of the optics are
designed for the visible spectrum

Optolong CLS Light Pollution Filter EOS Clip

Optolong CLS Light Pollution Filter EOS Clip£75.00   £70.00

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

Optolong CLS Light Pollution Filter EOS Full Frame£89.00   £85.00

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 CCD Light Pollution Filter 2''

Optolong CLS CCD Light Pollution Filter 2"£149.00   £99.00

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 L-Pro Broadband Light Pollution Filter 1.25''

Optolong L-Pro Broadband Light Pollution Filter 1.25"£119.00   £106.00

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 EOS Clip

Optolong CLS CCD Light Pollution Filter EOS Clip£115.00

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''

Optolong OIII 6.5nm Narrowband Deep Sky Imaging Filter 1.25"£125.00   £115.00

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''

Optolong SII 6.5nm Narrowband Deep Sky Imaging Filter 1.25"£125.00   £115.00

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

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Page 1 of 2:    31 Items