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Thread: UV Filters

  1. #11
    JG Motamedi's Avatar
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    David A. Goldfarb's Avatar
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    Bob Atkins' article that JG Motamedi mentions above is a good one.

    I use UV filters to filter UV (see Atkins article to find out which ones are really effective) or when there's an obvious hazard like sea spray or sand or crowds. I don't use a filter otherwise unless there's a photographic reason for doing so. I do use lens shades to shade and protect the lens.
    flickr--http://www.flickr.com/photos/davidagoldfarb/
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  3. #13
    JG Motamedi's Avatar
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    Actually it was David who told me about the article.

    I have found that in everyday use UV filters are of questionable value in reducing UV haze, but are quite effective in preventing fingerprints on glass, particularly from inquisitive 2 year-old fingers...

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    I make the choice per lens. On my Contax G lenses, which have large screw-on metal hoods, I've foregone the UV's.

    On my heavy Canon 24-105 L, which has a shallow plastic petal hood and a large exposed lenses element, the UV goes on (a nice one, B+W, to avoid flare)

    Flare is the greatest hazard of any UV filter. Any filter at all, actually.

    "What Would Zeus Do?"
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    UV and Skylight Filters

    Quote Originally Posted by reub2000 View Post
    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 costs money, it introduces higher possibility of flare. It does nothing to protect the lens from breakage (from dropping) that a hood won't do. Why would you put a cheap piece of glass in front of a good lens unless you were interested in degrading picture quality?

    There may just be a reason why a filter costs 8X or 10X from a vendor like B+W than the el cheapo kind.

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    "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?"

    So if dust, dirt and scratches on the lens do not degrade picture quality, why would a piece of optical glass degrade 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.

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    Travis Nunn's Avatar
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    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.
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    Quote Originally Posted by t_nunn View Post
    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.

  9. #19
    Travis Nunn's Avatar
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    Quote Originally Posted by reub2000 View Post
    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.
    I'm not really sure what my previous post has to do with dust on a lens.
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  10. #20
    Jim Jones's Avatar
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    [QUOTE=Lee Shively;468514. . . 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. [/QUOTE]

    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.

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