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Fast and Flat 50s


d.s.

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If you have access to live-view/EVF and an R-M adapter, the final (1998, E60) Leica Summilux-R 50mm version might have the flattest field of a high-speed 50.

Eighth corrective element added to the previous design precisely to improve flatness of field. As with the added seventh element in the 35 Summicron-M v.4 - and in the same location (first element behind the aperture).

Otherwise, I think it works out as: "You can have small, or you can have fast, or you can have flat-field - pick two".

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