Linked Questions

69
votes
11answers
12k views

Are there any downsides to using a good-quality UV filter?

Are there any real downsides to using a UV filter? I know that a poor quality UV filter can effect image quality ... but, assuming I use a good quality UV filter, will that actually be an issue? Is ...
19
votes
8answers
15k views

Is a UV filter better for lens protection than a protector filter?

I'm usually very good at getting water/finger marks on lens, so I must use something for protection. Is there any downside of using an UV filter instead of a protector filter? Example: Hoya HD ...
10
votes
6answers
30k views

Which filter is the more generally useful: Skylight 1A or Skylight 1B?

I'm looking to buy a Skylight filter leave permanently attached to a lens for the primary purpose of protecting it. I don't really understand the difference between Skylight 1A and Skylight 1B filters....
10
votes
4answers
3k views

What damage could be caused by touching the rear part of a lens?

So my friend asked to see my lens, and the idiot I am, I let him. Before he fully got his hands on it, he touched the rear part of the lens (the mount) he touched the glass and left a thumb print. I ...
7
votes
2answers
1k views

What could cause this visible artifact which seems to a be a glowing inverse of something outside of the frame overlayed on this photograph?

An acquaintance recently posted an image to FB from his recent trip to the JFK Historic Site asking for an explanation of a visible artifact he states was not visible to the naked eye but was visible ...
6
votes
5answers
4k views

Do cheap filters have an effect on image quality?

Do cheap lens filters (UV, ND, CPL) affect image quality, color reproduction, sharpness, etc.? Do they really offer protection?
6
votes
2answers
541 views

What is the cause of inclusions in my bokeh?

I was doing a lens review an two of my lenses showed these rather unsightly inclusions in their bokeh. There are two different lenses. EDIT: The third lens I have tested also seems to have this ...
4
votes
4answers
6k views

What is the downside of a cheap UV filter that is used solely for the protection of the lens? [duplicate]

I have a Canon EF 17-40L, and I am seeking to buy a UV filter solely intended for the protection of the front glass of the lens. I know that I have a hood for protection, but it makes the equipment ...
4
votes
2answers
801 views

How can I get prevent ghost sun images when shooting with a solar filter?

I am getting ready to shoot the upcoming solar eclipse. During my practice runs, I am getting either single or multiple reflections of the sun. Using Star Adventurer tracking mount, Canon 500D with an ...
3
votes
5answers
3k views

What caused the rainbow artifacts in the shadows in this image?

I was at a party on Sat and I took some pictures with my new Sigma 50mm 1.4 Art Lens for Nikon. On Sunday I noticed some artifacts on some of the images when I shot vertically like rainbows in the ...
3
votes
2answers
2k views

is uv filter a must? [duplicate]

I am using panasonic 25mm 1.7 lens in olympus omd-em10 ii body. Neither of them have a uv coating. Will it hurt lens/processor health if I use it without filter?
3
votes
4answers
682 views

What to do with 2nd hand sale of a lens showing oil/moisture coming out of the focus ring?

I just bought a used Canon 28-105mm and when I got it in the mail there was some weird shiny substance, possibly like oil, coming out of the focus barrel. Without thinking I wiped it off because at ...
3
votes
2answers
240 views

What is this green dot near the light in this photo and what's causing it? [duplicate]

Here is the photo: Is there a name for this effect and is there any way to prevent this from happening? This photo was taken on a Nikon D60 with a Nikkor 50mm 1.8G lens. The setting were f/1.8 1/40 ...
3
votes
3answers
183 views

Why do these reflections appear in some photos and how can I stop it from happening? [duplicate]

Why do these reflections appear in some photos and how can I stop it from happening? This is not the first time this has happened. Wondering if a hood would fix the problem
2
votes
2answers
312 views

Is it chromatic aberration? [duplicate]

I got green ghost-like lights. Where do they come from? How could I avoid them while shooting? How can I remove it in post processing? I tried using Lightroom chromatic aberration correction ...

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