Astronomy Product Review Blog: Review Of The Astronomik CLS Clip-Filter (EOS APS-C)
Astronomik Filters CLS Canon EOS XL Clip
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 Clip-Filter EOS APS-C
Astronomik CLS-CCD XL clip filter, example sub with and without filter - DSLR, Mirrorless & General-Purpose Digital Camera DSO Imaging - Cloudy Nights