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OVL Light Pollution Filters

OVL Light Pollution Filters£18.00  -  £29.99

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Light Pollution Filters

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OVL Light Pollution Filters

OVL Light Pollution Filters£18.00  -  £29.99

  (1)
These contrast-enhancing anodized aluminium, optical glass filters are designed to block out the wavelengths of light emitted by mercury-vapour light and other common causes of light pollution, whilst providing higher transmission at critical hydrogen-alpha and hydrogen-beta lines than competing filters.

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.

Explore Scientific CLS Nebula Filter 1.25''

Explore Scientific CLS Nebula Filter 1.25"£55.00   £36.00

Standing for "City Light Suppression", the Explore Scientific 1.25" CLS Nebula Filter is not just for observing nebulous objects, as it lets a broader swathe of wavelengths through to the observer than either the OIII or UHC Explore Scientific filters do.

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   £37.00

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 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.

Explore Scientific CLS Nebula Filter 2''

Explore Scientific CLS Nebula Filter 2"£78.00   £51.00

Standing for "City Light Suppression", the Explore Scientific 2" CLS Nebula Filter is not just for observing nebulous objects, as it lets a broader swathe of wavelengths through to the observer than either the OIII or UHC Explore Scientific filters do.

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 CLS Light Pollution Filter EOS Clip

Optolong CLS Light Pollution Filter EOS Clip£75.00   £65.00

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

Astronomik CLS Deep Sky & Light Pollution Filters

Astronomik CLS Deep Sky & Light Pollution Filters£69.00  -  £142.00

The Astronomik CLS is a budget filter for visual observation, Black & White photography and CCD photographs of nebulae, galaxies and star clusters with astronomical instruments of any size.

Second Hand Optolong L-Pro Broadband Light Pollution Filter 2''

Second Hand Optolong L-Pro Broadband Light Pollution Filter 2"£155.00   £70.00

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 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 EOS Clip

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 L-Pro Broadband Light Pollution Filter 1.25''

Optolong L-Pro Broadband Light Pollution Filter 1.25"£119.00   £97.00

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

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