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  1. #1

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    rb67 wide angle lenses

    Hello everyone,

    some months ago I bought the 50mm C lens for my RB67. It is a pretty nice lens, but I'm not thrilled with it. It has quite a lot of barrel distortion, and when I shoot colour film I notice a lot of chromatic aberration. It is also noticeably not as sharp as my 90mm KL.

    So I am thinking of picking up a 65mm KL lens - does anyone know if the CA and/or distortion are signifcantly better with the 65mm KL than with the 50mm C?

    Thanks!

  2. #2

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    Never owned the 50mm and I don't often shoot color, but I do have a 65mm and it is my most used lens (also have 90, 127, and 180), I'm sure the 65mm has some barrel distortion but it has never been a problem for me with landscapes.

  3. #3

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    I've got the 65 C. I'll be posting some scans taken with it in the next week or so to my flickr account. (Can I say that here?)

    Sent from my Nexus 4 using Tapatalk 2
    My flickr stream

  4. #4
    Alan Klein's Avatar
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    Are you adjusting the floating element ring?

  5. #5
    Shawn Dougherty's Avatar
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    I also never owned the 50mm and do not use color film...

    But, looking through images on flickr made using the 50mm C convinced me to buy the 65mm C. I'm glad I did. It is a very sharp lens (as sharp as my 90mm C) and I have not experienced any obvious barrel distortion.

  6. #6
    Alan Klein's Avatar
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    PS This is one of my favorite shots taken with the 50C. I usually don't shoot with it but I really should use it more.
    http://www.flickr.com/photos/5576075...-921HXF-924GU7

  7. #7
    rjs003's Avatar
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    My 50C works without a flaw, just make sure that you adjust the floating element.

  8. #8
    Shawn Dougherty's Avatar
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    Quote Originally Posted by nwilkins View Post
    It is also noticeably not as sharp as my 90mm KL.
    The 90mm KL also has a floating element so I'm assuming the OP is not forgetting to adjust it.

  9. #9

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    no I am not forgetting to adjust the floating element - not sure that would do much in the way of helping the chromatic aberration anyway, would it? I think it's just for corner sharpness.

  10. #10

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    has anyone here used both lenses?

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