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Thread: 7D AF spot problem

  1. #11

    Re: 7D AF spot problem



    Yes, I use the spot AF for very static objects. In the case of the pictures above, maybe it

  2. #12
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    Re: 7D AF spot problem



    Here are a couple of guides you might find usefull


    [View:http://learn.usa.canon.com/app/pdfs/quickguides/CDLC_EOS7D_AF_Modes_QuickGuide.pdf]





    [View:http://learn.usa.canon.com/app/pdfs/quickguides/CDLC_Accurate_EOS_AF_QuickGuide.pdf]


    The bush you posted isn't moving, so I guess you are saying that it does this on stationary objects to.

  3. #13
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    Re: 7D AF spot problem



    The One Shot mode with center point is perfect for your flower shots.


    Was the wind blowing?


    Try One shot and center point on a stationary object that won

  4. #14

    Re: 7D AF spot problem



    Canon 135mm at F2 , no microadjustment

  5. #15

    Re: 7D AF spot problem



    No wind.


    One thing seems strange to me : spot AF is very sensitive, but in this case, if it had missed, something just behind or beside would be sharp, no ? . If you check the balconly, it

  6. #16

    Re: 7D AF spot problem



    In the same vein, I

  7. #17
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    Re: 7D AF spot problem



    That lens and body combination should be very accurate. The AF System is not dead on accurate every time. Some shots it may be a little in front, some a little in back and this seems more so on wider lenses or some zooms. But with a prime lens it should be very accurate. It will be more pronounced if you are shooting at F2.


    I would test the combination out. There are many other threads on this site that go in to detail about doing an AF Microadjustment or testing a lens. Canon was so kind to give a tutorial on there new website:


    Canon

  8. #18
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    Re: 7D AF spot problem



    Quote Originally Posted by Tabazan


    Do you think reinstalling the firmware (my 7D is on 1.2.3) could change something to AF adjustment/bug ??

    I doubt it if you already have the latest version which is 1.2.3. But it won't hurt anything either.



  9. #19

    Re: 7D AF spot problem



    "That lens and body combination should be very accurate" ... that

  10. #20
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    Re: 7D AF spot problem



    Have you seen this thread:


    [View:http://community.the-digital-picture.com/photography_gear1/f/7/t/5400.aspx?PageIndex=1]



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