Depth of field question- Crop / Full Frame

Started 5 months ago | Discussions thread
Iliah Borg Forum Pro • Posts: 24,808
Re: Depth of field question- Crop / Full Frame
1

Tom Axford wrote:

Iliah Borg wrote:

bobn2 wrote:

You can calculate DOF entirely in the object field without considering sensor size at all, if you want.

Of course.

And also in the "printed/projected final image field", CoC for which is often happens to be the starting point for all the calculations

It's not possible logically to calculate depth of field (meaning depth of object field) entirely in the "printed/projected final image field". The image field doesn't contain the necessary information (such as subject distance).

Yes, of course, if you mean it is not possible for an arbitrary printed/projected final image and basing the calculations on the measurements taken solely from that image.

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