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Depth of Field computations

kj_fi

Vantaa, FI
326 posts

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kj_fi Silver Member Nikonian since 18th Jul 2007
Mon 04-Apr-11 07:46 AM

Dear fellow Nikon users,

is there any reason why the camera could not do the depth of field (DOF) calculations for us? There are lots of discussions, formulae and tables on the Internet about the topic but I began to wonder if the camera could help the users at least in the following scenarios:


  • You would like the DOF to start from a certain object in the image (on which you would set the focus) and extend as far behind the object as possible. For example, you are taking a photo of people running towards you and you don't need anything in front of the first runner to be sharp.

  • You would like the DOF to end to a certain object and everything as much as possible in front of the object should be sharp.

  • You want the object in focus to be in middle of the DOF. You could focus on a person in the middle row of a group and be assured that as many of them as possible would have sharp eyes.

  • You want to limit the focus to a point which makes the DOF to extend to the infinity but not beyond that. That would maximize the sharp area from infinity towards the camera. Some landscape photographers might find this useful.



I suppose this is not a problem in studio photography but I believe the only ways to manage the DOF outdoors at the moment is to compute it, use tables or check the DOF from the camera by using the check DOF button. My eyesight is not good enough for the third method and the first two methods are a bit clumsy.

I think this is only a software problem and therefore, it should not be difficult for Nikon to update the camera firmware to do the computations for us. It might be necessary to have a new setting to let users adjust the DOF, something like -3..+3 to increase or decrease it from the default, for example.

Best regards,
Kari

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