tylergreenphoto
New member
I've had the Cambo Actus for a few years and have almost exclusively shot BW infrared with it. Recently, I found the need to shoot color and have noticed the vignette is terrible when I shift the back (a7r) but almost unnoticeable when the back is centered (see attachment, 1 horizontal frame overlaid on 2 vertical shifted frames). Any ideas about what is going on here? Doesn't seem like normal lens vignetting to me. The lens used is a 47mm Schneider digitar at f8. Not an issue on my 135mm Sinaron.
I've thought about looking into preowned MF backs, would that resolve this issue, since I would not need to shift the camera to have the same image circle coverage?
I've thought about looking into preowned MF backs, would that resolve this issue, since I would not need to shift the camera to have the same image circle coverage?
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