alan.y Posted October 2, 2017 Share #1 Posted October 2, 2017 Advertisement (gone after registration) If someone here has a caliper, I’d love to know the diameters (or circumference if accurately measured) of the focus rings of Summicrons 35 and 50–the E55 versions with built in hoods. Thank you. Link to post Share on other sites More sharing options...
a.noctilux Posted October 2, 2017 Share #2 Posted October 2, 2017 Same 64.0 mm of diameters on my two Summicron-R 35mm and 50mm . Link to post Share on other sites More sharing options...
alan.y Posted October 2, 2017 Author Share #3 Posted October 2, 2017 thank you. Link to post Share on other sites More sharing options...
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