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Thread: How to use DOF preview?

  1. #21
    Member
    Join Date
    May 2003
    Location
    Singapore
    Posts
    984

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    Quote Originally Posted by OzOn3
    Hmm, i don't know how to use the DOF preview. I mean, i know what to press ar, but when the shutter blades come together, how do i tell what's what? at F27, almost everywhere darkens except the center... at 4.0, no change.. hmm..
    its not shutter blades but rathere apperture blades...
    when you loook throught the viewfinder, the apperture blades are wide open so that you can see clearly...(enough light let through)

    the reason you dont see any differnce when set at f4 is because it is either the widest already or near to the widest the difference in light change is inpercepitible to your eye..
    at f27, the apperture is very small... so no light passes through... thus you see it as dark

    the dof preview is to check your dof. so after composing you picture, press the button to see if the area you want in focus are actually in focus... because, if you do not press the button, the view throught the finder may not be what is captured on film....

  2. #22
    andylee
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    quote by showtime...[the dof preview is to check your dof. so after composing you picture, press the button to see if the area you want in focus are actually in focus... because, if you do not press the button, the view throught the finder may not be what is captured on film....]

    The area you want in focus will "BE" in focus...

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