reub2000
Member
It seems like a lot of people put a UV filter on the front of their lens to protect it. I've also heard that it cuts out haze. Does a UV filter in front of a lens really do anything?
It seems like a lot of people put a UV filter on the front of their lens to protect it. I've also heard that it cuts out haze. Does a UV filter in front of a lens really do anything?
So if dust, dirt and scratches on the lens do not degrade picture quality, why would a piece of optical glass degrade picture quality?"Well dust and dirt, and minor scratches seem to have little effect on image quality. I protect the front element of my lens using a lens hood."
"Why would you put a cheap piece of glass in front of a good lens unless you were interested in degrading picture quality?"
If my life depended on it, I wouldn't be able to come up with a single picture I've made that was degraded because of a UV filter. On the other hand, I can come up with thousands of shots degraded by my own carelessness. Makes the issue of using a UV filter or not pale in comparison.
The only lens I have a UV filter on is my macro lens. I take lots of pictures of insects and such so mine is used mainly for protection. I've had several Praying Mantids attack my lens, I've had frogs and grasshoppers jump straight into my lens, I've even had a territorial dragonfly attack my lens.
If you get a good quality filter, it won't degrade the shot.
I've shot with lenses that many specs of dust on the front element. I don't see any diminished quality because of it. The dust blows off with a rocket air blower.The only lens I have a UV filter on is my macro lens. I take lots of pictures of insects and such so mine is used mainly for protection. I've had several Praying Mantids attack my lens, I've had frogs and grasshoppers jump straight into my lens, I've even had a territorial dragonfly attack my lens.
If you get a good quality filter, it won't degrade the shot.
I've shot with lenses that many specs of dust on the front element. I don't see any diminished quality because of it. The dust blows off with a rocket air blower.
Lee Shively;468514. . . If my life depended on it said:I quit using protective Leica UV filters on my M2 when they caused occasional ghost images in night photography. I did retire one Summicron due to excessive cleaning in adverse environments. That cost a fraction of the film and printing expenses for images with that lens. It still delivers sharp photos where flare isn't a problem.
I'm not really sure what my previous post has to do with dust on a lens.
Correct me if I am wrong, but filters are a problem when they are of poor quality because filters both transmit and refract light, and therefor can add optical distortion to the lens.
Dust and dirt, unless there in great quantity, only cut down on the light transmitted.
Grease, because it can refract light in certain circumstances, can do both.
Matt
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