Originally Posted by
Glenn Thoreson
I'm confused about this "frame counter". Is it on the lens/shutter itself? I don't think I've ever seen one. On re-reading your original post, you said the focal length is about 180mm. That focal length would be awfully long for a folder. It's more likely the thing came off an old self casing Cycle style camera, though a frame counter could mean it came off a falling plate camera. Many of those held 12 4X5 dry plates. I have quite a few of these lenses and they really are quite remarkable.
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