The Leica APO-Summicron-M 90mm f/2 ASPH. ($3,995) is a short telephoto lens for Leica M rangefinder cameras. It's quite sharp wide open, and enters into incredibly sharp territory when stopped down a ...

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Leica has announced two new APO-Summicron 90mm f/2 and 75mm f/2 lenses for the Leica SL full-frame mirrorless camera. The two lenses are the first models of a new high-performance Summicron-SL line, ...

For this review, the sharpness test is carried out by photographing a real-world sample, rather than a test chart. The Leica APO-Summicron-SL 90 f/2 ASPH was mounted on a Leica SL, which was in-turn ...

The new Leica APO-Summicron-SL 75mm f/2 ASPH lens for the Leica SL mirrorless camera system captures exceptional natural portraits with fast and silent autofocusing. Read our in-depth Leica ...