Here is my experiment. I took an Cooke 10,5" Anastigmat series II with soft focus adjustment and mount it to Canon digital camera via "paper tube and tape" method. This is an old version with only slight soft focus effect, but since locking pin is broken, I unscrew the front two lenses all the way. What do you think about soft focus effect in this test photos?
wide open
f16
f8
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