Erik van Straten
Veteran
Never noticed any. Any examples?
Here you go. Pincushion distortion. (Summitar version: uncoated and 10-blades)
Erik.

Never noticed any. Any examples?
When I really must go back to two lenses, it would be a Summaron 35mm f/2.8 and a Color-Skopar 50mm f/2.5, both LTM. The Elmar-M is a beautiful lens, but the retraction/extension is not very user friendly.
Erik.
It's funny isn't it? Even though the Industar is a Tessar design, it images almost exactly like an Elmar, as you noticed.
And....the Summitar has that boké with highlights I don't like that much. Impossible for use between trees and leaves against a backlit background.
Great group of pictures David. I assume it was being moved to Sodor.
Summitar's bokeh is pretty unique. No other lens has the same look, yes, there are other 'swirlers' and 'bubblers' but I haven't seen one that has that distinct summitar look.
I guess you either love it or hate it. I'm not sure which one is it for me. Depends on the mood I guess 🙂
Here's wide open.
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Hi,
PPS So what lens have you decided to get?