How does enlarger lens aperture affect to print sharpness? - 02.03.2019

I wanted to test how lens aperture affects to the sharpness of the print.

Following drafts were exposed with same focus settings. The exposure was done using f-stop timer (increasing one aperture on both enlarger lens & f-stop exposure).

On f2.8 and f4 the sharpness is visibly blurry but on f5.6 and f8 there isn’t much difference.

f2.8

f4

f5.6

f8





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