Tagged Questions
1
vote
2answers
287 views
Could a filter damage the curved front element of the Canon EF 100mm f/2.8 Macro USM?
I just got the Canon EF 100mm f/2.8 Macro USM and I really want to put a UV filter on the lens to protect the front element, but I feel uneasy screwing one on because of the curved front element. I ...
3
votes
2answers
267 views
Are these ghost light spots and vertical grain indication that my scratched polarizer is ruined?
Earlier, I unfortunately dropped my polarizer. There doesn't seem to be any damage save for a light scratch which I've uncovered only after a very thorough inspection. Nonetheless, I'm worried that ...
7
votes
3answers
481 views
How to tell if a polarizing filter is too damaged?
I dropped my CPL onto some rocks and it's a bit scratched up. There's no obvious effect in a (very cursory) look at the photos, but are there tests I can do to see if the damage has a visible effect?
