Multi Focus Zones Question

Discussion in 'Beyond the Basics' started by Insp Gadget, Aug 30, 2009.

  1. Insp Gadget

    Insp Gadget TPF Noob!

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    I sometimes use my D300 in multi focus zones mode and have a question. When I shoot a busy scene, the camera will display several focus zones that it is using to determine focus. How can it do this and why? Since the lens can only focus at one point, does it use the closest spot and the furthest one and stop down the lens to make sure both are in focus? If not, how does it determine which one to focus the lens on?

    Thanks much!!
     
  2. MelissaMarieImagery

    MelissaMarieImagery TPF Noob!

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    If more than one focus zone is up, I believe it's marking all things that are on the same plane.

    Someone please do correct me if I'm wrong.
     
  3. Big Mike

    Big Mike I am Big, I am Mike Staff Member Supporting Member

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    That's the way my camera works. If I have it set to use all points, if several of them light up, it means that those points are on the same focus plane (they are all in focus).

    Personally, I prefer to just use one point at a time, so that I know exactly where the lens is focused.
     
  4. JerryPH

    JerryPH No longer a newbie, moving up!

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    I always use just one of the 51-points on my D700... unless I am just snapping away at something totally unimportant. I *always* want total control of the exact part of the subject that I want in focus, like for example, the eyes.
     

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