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Thread: which is worse?

  1. #21

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    rear is worse. Less glass in the way to correct it.

  2. #22

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    Where on earth do you people get the idea that the lens can somehow "correct" for light scattered by a scratch or other flaw on the front?

  3. #23

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    Here is another example of a terrible lens doing quite ok.

    http://www.deansphotographica.com/de...ylenstest.html

  4. #24
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    Quote Originally Posted by E. von Hoegh View Post
    Where on earth do you people get the idea that the lens can somehow "correct" for light scattered by a scratch or other flaw on the front?
    My question too.
    I do use a digital device in my photographic pursuits when necessary.
    When someone rags on me for using film, I use a middle digit, upraised.

  5. #25
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    Who is "you people" ?

  6. #26
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    Quote Originally Posted by BobD View Post
    Who is "you people" ?
    The two that made the claim.
    I do use a digital device in my photographic pursuits when necessary.
    When someone rags on me for using film, I use a middle digit, upraised.

  7. #27

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    I don't have any scratches on my lenses, but I do scratch my a$$ once in a while!

    Jeff

  8. #28

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    Quote Originally Posted by rich815 View Post
    While it all makes sense in theory I think the scratch on the rear is better and have shot lenses with such scratches with seemingly no issues. The front scratches make the lens more prone to flare in my experience.
    my brother once had a nikon lens that was not just scratched on the rear element, it was abraded in a huge chunk of the center of the element, but he still said it was one of the sharpest lenses he had and used it for commercial work.

    we tend to think something on the lens will block light going to part of the film, but I suspect it does not work that way. I would suspect, but have no proof, that a front element scratch would cause more flare if in direct bright light.

  9. #29
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    Here is an interesting article on a lens rentals site about scratches on the front element. Sadly the did not offer a rear element comparison.

    http://www.lensrentals.com/blog/2008...ment-scratches

  10. #30

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    A scratch on the rear element is worse then the same size scratch on the front element. Also it is much worse to have the scratch near the center of the lens then towards the edge.

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