I started wondering about maximum possible DOF after seeing some images in a book with garden photos. The DOF where amazing! That started me wondering; given a camera position and a target photo angel,what is the optimal way to achieve good DOF?
lets say you have 2 cameras,both with (say) 20mPixel sensors. One camera has a big sensor the other has a smaller sensor.
Both cameras have "perfect" diffraction limited lenses that view the same angle.
Both cameras are to be used at the same position. The f-stop is set to generate maximum DOF while avoiding diffractions on both lenses.
Which will give the image with best DOF?
As I see it it must be the full-frame set up since you can use a smaller f-stop number before diffraction sets in. This point I'm uncertain about,tho.
Is this correct?