Leica 50/2 APO Summicron-M ASPH: Concentric Flare Rings Plausible Explanation
Leica M Typ 240, APO Summicron, flare
More: Leica flare, APO Summicron, Leica M Typ 240, Elmarit, Summilux, Noctilux, Biogon, Elmar.
I previously noted the flare propensity of the Leica 50mm f/2 APO-Summicron-M ASPH.
Now I have found and photographed a more than plausible explanation for the three red concentric rings from the Leica 50mm f/2 APO-Summicron-M ASPH, as seen in the example below.