Hello,
I will be photographing some tight faces on 4x5 using a Fujinon-W 180mm 5.6. I'm using a ring light and want to get the catchlight in the eye as large as possible.
I did a test at f22 and noticed a real razor sharp shallow DOF (maybe its just my focus is off?). All I want is the nose, eyes, and until before the ear starts in focus. And I couldnt achieve this with f22.
I am considering stopping down to f32 but am wondering if diffraction will start to play a factor in losing sharpness? I intend to make quite large prints out of this. Unfortunately where Im at now its impossible to make more tests.
Any advice would be great and thanks in advance!
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