Leica APO-Summicron-SL 50mm F2 ASPH lens announced
Leica has announced the Leica APO-Summicron-SL 50mm F2 ASPH lens, an L-mount lens that’s not only compatible with the Leica SL currently, but as a part of the L-Mount alliance, the lens is compatible with the Lumix S1 series made by Panasonic, as well as the Sigma fp. The lens features 12 elements with three aspherical surfaces and an unknown number – Leica claim the “majority” of elements being made of anomalous partial dispersion glass for apochromatic correction. As with other lenses in the Summicron-SL series, the 50mm F2 ASPH features a Dual Syncro Drive (DSD) stepping motor for fast autofocus, which allows for the lens to be driven over its…
Leica APO-Summicron-SL 50mm F2 ASPH tech specs
Technical data: Lens APO-Summicron-SL 50 mm f/2 ASPH. Angle of view (diagonal, horizontal, vertical) 47.2° / 40.0° / 27.3° Optical design Number of elements/groups 12/10 Number of aspherical elements 3 Position of entrance pupil in front of the bayonet flange 63.2 mm Focusing Working range 0.35 m to infinity Smallest object field 120 × 180 mm Largest reproduction ratio 1:5 Aperture Settings/functions Electronically controlled iris, setting with the camera setting dial, half- or one-third stop settings possible Aperture setting range 2 – 22 Smallest aperture 22 Bayonet/sensor format Leica L-bayonet, full-frame 35 mm format Filter thread E67 Dimensions and weight Length to bayonet flange 102 mm…
