I took the cheapest fix 50 \ 1.8 the picture is better, but often the focus is not so hot, I found out that the ideal sharpness is at f4.0 I suffered for a long time with a non-ideal focus at a wide aperture, until I guessed to lower the resolution of the image to 12m - a miracle happened))) the lens became sharp at an open aperture, at 2.2 it is perfect! The pictures look like professional photos! Example: ? page=0 Perhaps the sharpness is even more ideal, but for portrait shooting it has become much better from 12m than from 24m
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