I was cleaning a couple of my lenses and had them off of their respective shutters. When done, I had a shim lying on the table... I don't know which lens it belongs to: Nikon 75mm SW (1:4.5) or the Sinaron S 150mm (1:5.6).
From what Michael Briggs had written in previous posts, Nikon SW's usually have a shim. The thing is, I think it came off of the Sinaron.
I've been all over this site and others looking to see if this Sinaron has a shim but to no avail.
So, if you kind folks could take a look at your 150mm Sinaron S lens (and the Nikon 75mm SW) if you have one, and see if it has a shim under the front element, I sure would appreciate it. I bought both of these used so I don't know the vintage but here's the serial #'s to see if they are the same vintage as yours: Nikon: 673652. Sinaron: 11642032.
(I'm hoping that both lenses don't require shims because I'm gonna be short one if that's the case!) I have viewed the gg with both lenses with and without the shim in place. But, I seem to be able to focus sharply in all cases.
Thanking you all in advance...
Thanks
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