Skip to main content

All Questions

4 votes
1 answer
249 views

What happened to this CPL filter?

What happened to these CPL filters? Is it reversible? Can they be cleaned or fixed? The damage looks like it is inside the glass. I'm concerned it's fungus or something else. My father bought them ...
Sarah Fairusham's user avatar
6 votes
6 answers
3k views

Does a large scratch in an ND filter affect image quality?

I noticed a used 10-stop ND filter for sale, at exactly the size I want, at a price of 15% of a new filter, except with shipping it's 21% of the price of a new filter with shipping. The catch? It has ...
juhist's user avatar
  • 6,835
0 votes
1 answer
8k views

Can the front glass on a broken lens be repaired?

I just newly broke this glass on my lens tonight. Wondering if I need to buy a new lens or if I can repair this. It is a Canon EF 85mm f/1.8 USM. This is my favorite lens to use for portraits!
Nicky B's user avatar
  • 17
11 votes
5 answers
10k views

Front element shattered, can I have my lens repaired?

Can I send in for repair a lens that has a shattered front element? UPDATE: The front element was not shattered, it was the UV filter. Factory diagnosis: Lens assembly had been impacted; cleaned ...
cliffclof's user avatar
  • 875
3 votes
3 answers
679 views

Lens cap alternative to Canon cap which won't risk damaging my filter?

I am using a 10-22mm lens with a variety of filters. I have been using the Canon lens cap which came with the lens over the top of the filters. I tend to handle my gear a tad roughly when I am out and ...
ryanr's user avatar
  • 41
2 votes
3 answers
172 views

Can gripping a lens too hard cause softness/aberration or other damage?

I have a Nikon D80 kit lens with a circular screw-on polariser filter. In order to remove the filter I might have to grip the lens quite hard, and the end of the lens might be moved about in the ...
binaryfunt's user avatar
4 votes
3 answers
15k views

How to clean a multi-coated filter and not damage it?

I have recently purchased a Hoya ND400 multi-coated filter and took it out for some shooting. I accidentally got a fingerprint on it and decided to clean it with my microfiber cloth. Unfortunately, ...
Greg's user avatar
  • 865
1 vote
2 answers
642 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 ...
Rado's user avatar
  • 157
3 votes
2 answers
658 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 ...
skytreader's user avatar
7 votes
3 answers
4k 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?
Reid's user avatar
  • 15k