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Thread: Regarding depth of field.

  1. #1

    Question Regarding depth of field.

    When the photo comes out, does it have shadower DOF than
    what we see on the viewfinder?

    I think most of the time I use F/8, but the max aperture of the
    lens is F/4~5.6, thus I expect more DOF in the photo than what
    I see in the viewfinder.


  2. #2

    Default Re: Regarding depth of field.

    Press the DOF preview button.

  3. #3
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    Default Re: Regarding depth of field.

    Quote Originally Posted by dRebelXT View Post
    When the photo comes out, does it have shadower DOF than
    what we see on the viewfinder?

    I think most of the time I use F/8, but the max aperture of the
    lens is F/4~5.6, thus I expect more DOF in the photo than what
    I see in the viewfinder.

    Believe in what you see yourself...

  4. #4
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    Default Re: Regarding depth of field.

    u may expect more, but the difference may not be significant.... dof depends on various factors....

    focal length
    distance from lens to subject
    distance from subject to other elements in the image
    aperture

    so while u may change aperture, it may not be significant enough to overcome the other factors which are creating a shallow dop....
    Canon EOS 30D w/ grip 580EX, Tamron 28-75mm f/2.8, EF-S 10-22mm
    :bsmilie:

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    Default Re: Regarding depth of field.

    Quote Originally Posted by Adelfin View Post
    u may expect more, but the difference may not be significant.... dof depends on various factors....

    focal length
    distance from lens to subject
    distance from subject to other elements in the image
    aperture

    so while u may change aperture, it may not be significant enough to overcome the other factors which are creating a shallow dop....
    And also, how big is your print size. It is related to CoC (Circle of Confusion) of the sensor/film size.

    Regards,
    Arto.

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    Default Re: Regarding depth of field.

    Quote Originally Posted by lypklypk View Post
    Press the DOF preview button.
    Is there such a button, or is it only on certain cameras??

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    Default Re: Regarding depth of field.

    Quote Originally Posted by alloymist View Post
    Is there such a button, or is it only on certain cameras??
    most dslrs will have it... usually placed on the camera body around the lens mount....
    Canon EOS 30D w/ grip 580EX, Tamron 28-75mm f/2.8, EF-S 10-22mm
    :bsmilie:

  8. #8
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    Default Re: Regarding depth of field.

    Quote Originally Posted by Adelfin View Post
    most dslrs will have it... usually placed on the camera body around the lens mount....

    Most nikon and canon DSLRs have it..

    Pretty useful feature. When set to F22, and depressed u can see it darken but the DOF really increased(thru viewfinder)..
    Last edited by shocky; 12th March 2007 at 10:08 PM.

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    Default Re: Regarding depth of field.

    If you view through a viewfinder, given the size of the image that you see in the viewfinder, I think you may see a greater depth of view than the actual picture. Furthermore, since the image darkening when the DOF button is depressed, to me, it affects judgement as well. Even though the frame looks generally clearer, but the most accurate gauge is the the picture after it is taken.

  10. #10
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    Default Re: Regarding depth of field.

    Quote Originally Posted by alloymist View Post
    Is there such a button, or is it only on certain cameras??
    Not all camera have it. I know D50 don't have it. D70/D70s have it.

    Regards,
    Arto.

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