Hi,
I just bought a Schneider 150mm f/5.6 Symmar Convertible with the Linhof shutter, as an upgrade to my Wollensak 108mm. I have a graphic view camera, and since this is a convertible lens I'm guessing I will be able to adjust bellows to the 265mm conversion. I read in some posts the lens has to be situated properly first, because it does not focus in the corners, not sure if I have to do this. Also, I see it's not advisable to open the rear element of the lens to do this, and dust can get in. Is it possible, to do this outside, or should I just do it inside. Not sure if this is an exaggeration either.
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