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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 £16.00  -  £25.99

OVL Light Pollution Filters


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''


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 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 £116.00

Astronomik CLS Canon EOS Clip In Deep Sky & Light Pollution Filter


The Astronomik CLS CCD is suitable under light-polluted skies for DSLR Cameras, which have been remodeled for astronomical use. The filter enhances the contrast between all deep-sky objects and the background.

ONLY £143.00

Astronomik CLS CCD Deep Sky & Light Pollution Filter Canon EOS Clip Fit


Optimized light pollution suppression filters for one shot colour CCD and modified DSLR cameras. Not only do these filters block out the majority of the light pollution, they also reduce the red cast improving on the colour balance.

ONLY £159.00  -  £349.00

IDAS D1 Light Pollution Suppression Filters


The P2 is the most popular filter for suppressing light pollution with modern CCD, CMOS and DSLR cameras. Japanese made for the highest possible quality.

ONLY £169.00  -  £259.00

IDAS P2 Light Pollution Suppression Filters


Light pollution suppression (LPS) filters are designed to suppress the common mission lines generated by artificial lighting, yet allow the important nebula emission lines to pass, thus enhancing the contrast of astronomical objects, particularly emission nebulae.

ONLY £175.00  -  £259.00

IDAS D2 Light Pollution Suppression Filters


IDAS Night Glow Filters enhance the contrast of astronomical emission nebulae against a sky with both man-made and natural* sky glow sources, yet preserve color balance of broadband objects such as galaxies.

ONLY £175.00

IDAS Night Glow Suppression Filters

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