![Astronomik CLS-CCD XL clip filter, example sub with and without filter - DSLR, Mirrorless & General-Purpose Digital Camera DSO Imaging - Cloudy Nights Astronomik CLS-CCD XL clip filter, example sub with and without filter - DSLR, Mirrorless & General-Purpose Digital Camera DSO Imaging - Cloudy Nights](https://www.cloudynights.com/uploads/monthly_07_2015/post-242532-0-54060400-1436682456.jpg)
Astronomik CLS-CCD XL clip filter, example sub with and without filter - DSLR, Mirrorless & General-Purpose Digital Camera DSO Imaging - Cloudy Nights
![Astronomik CLS Light Pollution Filter YES OR NO? - DSLR, Mirrorless & General-Purpose Digital Camera DSO Imaging - Cloudy Nights Astronomik CLS Light Pollution Filter YES OR NO? - DSLR, Mirrorless & General-Purpose Digital Camera DSO Imaging - Cloudy Nights](https://www.cloudynights.com/uploads/monthly_01_2011/post-111202-14073290545412.jpg)
Astronomik CLS Light Pollution Filter YES OR NO? - DSLR, Mirrorless & General-Purpose Digital Camera DSO Imaging - Cloudy Nights
![Astronomik CLS filter causing light flare around bright stars. Is this a defect of the filter or am I doing something wrong? (Ignore the tree branches, it was just a test shot.) : Astronomik CLS filter causing light flare around bright stars. Is this a defect of the filter or am I doing something wrong? (Ignore the tree branches, it was just a test shot.) :](https://i.redd.it/c7qkeq3nly961.jpg)