View Full Version : Wollensak Velostigmat Series II 12" inch f4.5 diaphragm shape
Brad Bireley
19-May-2021, 08:20
Is the aperture when stopped down look like this? It's a very odd shape.
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i'd say the blades are sticking
Jon Shiu
19-May-2021, 09:47
Normal for "Studio" shutter.
Mark Sawyer
19-May-2021, 09:49
Looks like an old Studio Shutter. Yes, their blades do get sticky and out-of-alignment.
Whir-Click
19-May-2021, 09:59
For a Studio shutter, that’s above average.
I find that any asymmetry is barely visible at normal portrait taking apertures (f/16 and wider), and I have never noticed an ill-effect on the film or print.
Oslolens
19-May-2021, 23:12
Mine looks the same. Spent $90 on a conclusion that new parts needs to be made in order to fix the shutter.
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