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All Light Pollution Filters

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Astronomik CLS Filter
Astronomik CLS Filter
From  £71.00

The Astronomik CLS blocks the light of the spectral lines of mercury and sodium-vapor lamps and lets the largest part of the visible light and H-alpha emissions pass.

Astronomik CLS-CCD Filter
Astronomik CLS-CCD Filter
From  £89.00

The filter enhances the contrast between all deep-sky objects and the background.

OVL Light Pollution Filters
OVL Light Pollution Filters
From  £22.00

These contrast-enhancing filters are designed to block out the wavelengths of light emitted by mercury-vapour light and other common causes of light pollution. 

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