Posted: Mon Nov 23, 2020 12:10 pm Post subject: |
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stevemark wrote:
I'm not an expert on Carl Zeiss Jena / Oberkochen (=Opton) glass, but I have two Opton-Sonnars that look the same (engravings, aperture mechanism). Be aware that the Zeiss Opton (=early Oberkochen) lenses have slightly different engravings (e. g. the number 4), compared to those made in Jena.
S _________________ www.artaphot.ch |