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Thread: Focusing Issues

  1. #21
    Moderator daredevil123's Avatar
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    Quote Originally Posted by yrh0413

    Not really, they will calibrate your body not the lens unless there are odd decentering issues and stuff. Back/front focusing will be calibrated on the body and it will affect only on how the camera body interacts with that particular lens.

    Say if you send in a 12-24mm lens for calibration, it should not mess up the focusing of your 18-55mm etc. That's what I have been told by the technicians when I was shooting with Pentax system few years back.
    if they use the Allan key adjustment behind the mirror, it will affect all lenses.

  2. #22
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    Default Re: Focusing Issues

    Sorry. duplicated post
    Last edited by scramblur11; 15th March 2011 at 06:09 PM.

  3. #23
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    Default Re: Focusing Issues

    Sorry. duplicated post
    Last edited by scramblur11; 15th March 2011 at 06:10 PM.

  4. #24
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    Default Re: Focusing Issues

    Just got the lens and body back...the slight front focus seem to be still there....but luckily the adjustment doesn't seem to have affected my other 2 lenses...Guess to try it out in the field...

    By the way on a side note FYI, sensor cleaning is now $21.40 (think it was 26+ last time)

  5. #25

    Default Re: Focusing Issues

    so both the 35mm f1.8 front focusing issue still there?

    and when ur calibrate, is it all under warranty?
    D90|10-24mm f3.5-4.5G|70-300mm VR f/4.5-5.6G|18-105mm VR f/3.5-5.6G|35mm f/1.8|SB700|MB-D80

  6. #26

    Default Re: Focusing Issues

    Quote Originally Posted by desertstrike View Post
    so both the 35mm f1.8 front focusing issue still there?

    and when ur calibrate, is it all under warranty?
    Not there anymore cos using D7000 now, got AF fine tune but if you send for calibration, all under warranty, just that the technician will come tell u story about factory standards. Its up to you to insist on the calibration.

  7. #27

    Default Re: Focusing Issues

    Quote Originally Posted by spree86 View Post
    Not there anymore cos using D7000 now, got AF fine tune but if you send for calibration, all under warranty, just that the technician will come tell u story about factory standards. Its up to you to insist on the calibration.
    but if insists liao, they calibrate, and the front focusing is still there?
    D90|10-24mm f3.5-4.5G|70-300mm VR f/4.5-5.6G|18-105mm VR f/3.5-5.6G|35mm f/1.8|SB700|MB-D80

  8. #28

    Default Re: Focusing Issues

    Quote Originally Posted by desertstrike View Post
    but if insists liao, they calibrate, and the front focusing is still there?
    I guess you can complain about the job not being done well but the same story will come from them "factory standards" Depend on how high up you wanna complain though.

  9. #29

    Default Re: Focusing Issues

    Quote Originally Posted by spree86 View Post
    I guess you can complain about the job not being done well but the same story will come from them "factory standards" Depend on how high up you wanna complain though.
    hmm... mind sharing how u test ur lens/dslr?
    D90|10-24mm f3.5-4.5G|70-300mm VR f/4.5-5.6G|18-105mm VR f/3.5-5.6G|35mm f/1.8|SB700|MB-D80

  10. #30

    Default Re: Focusing Issues

    Quote Originally Posted by desertstrike View Post
    hmm... mind sharing how u test ur lens/dslr?
    Use a focus test chart. Here's a link

    http://photo.net/learn/focustest/

  11. #31

    Default Re: Focusing Issues

    Quote Originally Posted by spree86 View Post
    Use a focus test chart. Here's a link

    http://photo.net/learn/focustest/
    yup, i saw this just now also, i was wondering, why 45 degree and 20 degree got different results? must it only be on 45 degree?
    D90|10-24mm f3.5-4.5G|70-300mm VR f/4.5-5.6G|18-105mm VR f/3.5-5.6G|35mm f/1.8|SB700|MB-D80

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