I found a junk betas shutter with velostimat cells. The lens is marked Velostigmat f/4.5 but have no series markings. I know there were some enlarging velostigmats, but I thought they were marked as such. Did any of the early series II lenses omit the series markings? It a 9 1/2”. I have several longer focal length velostimats and they are all marked.
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