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Plane Of Focus (Various Angle Lens)

SweetMK

US
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SweetMK Registered since 22nd Jan 2013
Wed 27-Feb-13 02:41 AM

When taking a picture with a large aperture opening, the depth of field is limited.

Is the plane of focus, flat (variable distance from the lens) or curved (constant distance from the lens) when comparing the center and edge of a pic?

I have seen it is possibly variable for different lens, if so, then it could change for various focal lengths of a zoom lens.

Is this data that is available somewhere? Is the plane of focus similar for similar focal lengths (i.e. are all pics taken at 105mm the same?)?

Please help me understand what the plane of focus is. Thanks.

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