Ambro51 Posted Monday at 10:14 PM Share #941 Posted Monday at 10:14 PM Advertisement (gone after registration) That image is deceptive. The brighter ring is a raised shoulder Link to post Share on other sites More sharing options...
Advertisement Posted Monday at 10:14 PM Posted Monday at 10:14 PM Hi Ambro51, Take a look here 100 years Null-Serie. I'm sure you'll find what you were looking for!
willeica Posted Tuesday at 11:53 AM Share #942 Posted Tuesday at 11:53 AM 13 hours ago, Ambro51 said: That image is deceptive. The brighter ring is a raised shoulder Thanks, I will check my 42mm Summar. Helicoid focus was not common for cameras back then. William Link to post Share on other sites More sharing options...
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