100*100mm Natual Night Square Filter Light Pollution Filter for Night /Sky/Star/Astrophotography Waterproof & Oil Resistant Nano Coating

SKU: KF01.1144

Q
are these filters glass or plastic? How many filters can it hold?
Answer Question
A
It came with the 10 stop glass filter and seems to be pretty great quality. I'm loving using it. Even ordered a 6 stop to go with it.