Evening

by w.hrybok

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3
votes
3answers
472 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, ...
0
votes
4answers
112 views

Dark spots - sensor toast?

I can't seem to get rid of some very annoying dark spots that are very noticeable under certain lighting conditions. I've taken a test shot of my monitor showing a white background and amped up the ...
7
votes
2answers
778 views

Why are compressed-gas dusters not recommended on the mirror of an SLR camera?

Every compressed-gas duster (including Dust Destroyer and Dust-Off brands) contains, among others, the following warning: Never use on camera mirrors. What is the potential risk here? I've used ...
26
votes
7answers
1k views

Is it ok to breathe on the front glass element of a lens to fog it and clean it?

Nikon specifically recommends not breathing on the glass elements to clean them as harmful acids in the breath can damage the coatings on the glass. However, I've read on many other websites that it ...
22
votes
5answers
29k views

Why does fungus form in lenses, and how to get rid of it?

Recently I was using an old Pentax 50mm f/2 that had a quite big green spot, and later I was informed that it was a fungus. A couple of questions raised from this: Why does fungus form inside the ...
12
votes
4answers
2k views

Is it risky or difficult to wet clean an image sensor?

I've discovered spots on the image sensor of my DSLR camera that cannot be cleaned using a blower bulb, so I would like to know the risk of problems, such as further image deterioration or damage to ...