astro.n-minus

Filter

Astronomik CLS CCD Clip-Filter EOS M

Key specifications

Filter typeLight Pollution
Passband450-520nm + 640-690nm
Filter sizeClip-in

About

A light-pollution filter for astrophotography that blocks the emission lines of sodium and mercury street lighting and natural airglow while passing a wide band, so stars are dimmed less than with a UHC. An integrated IR-blocking layer suits cameras without their own IR-cut filter. Clip-in for Canon EOS M bodies, Standard substrate.