My friend and I set up some studio lighting and shot 12 portraits of each other using my Intrepid 8x10 and a schneider 360mm f/6.8 lens wide open on Fuji HR-U x-ray film.
We did our best to level the camera and make sure the standards were parallel. We carefully focused on the eye lashes with a loupe. The photos are good but they are uniformly slightly front focused -- the eyebrows are sharp instead of the eyelashes.
I would think the model moved a half inch or there was focusing error except it affected 11 of the 12 photos in the same way. Two photographers, 3 different brands of film holders, 12 shots over 2 hours, refocusing after every other photo.
Thoughts?
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