File :-(, x, )
true or false Anonymous
if you can put a lens cap on a filter, it has front filter threads (for stacking filters)

true or false?
>> Anonymous
True or false, depending on the cap.
>> Anonymous
>>216693

canon rim pinch cap with b+w uv filter
>> sage !i/euDJmWr2
I've never had a filter that didn't have threads...