I have a Shen Hao 4x5, which I have not used for a while, I bought a Maxwell screen for it due to a really dim image on the gg. I can't praise this screen enough, but suddenly I was getting soft slightly OOF images? It was retired for a time. I recently took it for a three hour trip down to the coast to shoot some long exposures of the coast, old boats, piers and the like. I returned home excited to develop these pics, only to find them all soft, thinking it was my sironar 210mm lens I set the tripod up in my little studio and tried to focus on the following image, well the smallest writing on the paper, which was the internet address. It focused fine, so it wasn't the lens, which only left the registry. After countless exposures I finally got a decent picture with two slices of film and two strips of thin paper on each side of the GG to push the GG back to the film registry. Pics are now sharp.
So I got out my 8x10 which has never had a film through it, to test my new-to-me fujinon w 250mm f6.7 (arrived today), once again I have the soft image problem, back to the studio, and the lens actually produces a sharper image than the sironar. Rather than spending lots of film doing the same registry alignment test, I thought I might ask the more experienced if there is an easier way?? I don't mind zeroing this way, but if there is another method I would be interested to here about it.
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