I have a chance to purchase a used 90mm Super Angulon f8 (Linhof variant) here in France, and it has a Copal 0 shutter in the latest all-black version. However, the aperture scale on the shutter extends to 5.6, and the aperture mechanism does indeed open to 5.6. but no longer reveals the seven-sided polygonal shape from the aperture blades.
There is a Rodenstock quality seal on the shutter so it is not the original.
Questions: 1. on two different focal length lenses with different aperture ranges, could the Copal 0 shutter be interchanged with the other lens without exposure issues? 2. Or are somehow the apertures at each f-stop appropriate for a particular focal length lens?
Lens is in beautiful condition, no Schneideritis. Thanks.
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