It took me a while to figure out that his hobby was the shop instead of woodworking. The problem about making pictures is there is also a craft which should be mastered, and getting images sharp is an important part of that (when one wants them sharp).We do lens alignments here at the shop, and 75% of the bodies that are brought in have a problem. It normally isn't a lens thing, it's a sensor plane thing. We can put the same lens on 3 different bodies and will get 3 completely unrelated results. One body front focus, one back focuses, one pretty good.The fact is manufacturing tolerances aren't that tight, and as camera sensors have improved, those flaws become apparent. You do your art a disservice if you fail to insure your equipment isn't performing at it's optimum.Regarding FoCAL, we had an customer buy it and brought in results.
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