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OVL Light Pollution Filters

OVL Light Pollution Filters£18.00  -  £27.00



IDAS D2 Light Pollution Suppression Filters

IDAS D2 Light Pollution Suppression Filters£175.00  -  £259.00

Light Pollution Filters

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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.

ONLY £18.00  -  £27.00

OVL Light Pollution Filters


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.

ONLY £32.00

Optolong Moon & Skyglow Filter 1.25''


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

ONLY £43.00

Optolong CLS Light Pollution Filter 1.25''


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

ONLY £43.00

Optolong UHC Light Pollution Filter 1.25''


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.

ONLY £44.00

Explore Scientific CLS Nebula Filter 1.25''


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.

ONLY £49.00

Optolong Moon & Skyglow Filter 2''


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.

ONLY £66.00

Explore Scientific CLS Nebula Filter 2''


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.

ONLY £67.00  -  £143.00

Astronomik CLS Deep Sky & Light Pollution Filters


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

ONLY £67.00

Optolong CLS Light Pollution Filter 2''


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

ONLY £67.00

Optolong UHC Light Pollution Filter 2''

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Page 1 of 3:    29 Items