Leica announces APO-Summicron-SL 50mm F2 L-mount lens

Leica has announced its APO-Summicron-SL 50mm F2 lens, which is designed for the L-mount system. The lens is smaller, lighter and, as you'd expect, cheaper than Leica's F1.4 variant. The 50mm F2 has twelve elements; three are aspherical and eight use an anomalous partial dispersion (APD) design to reduce chromatic aberration. Dual stepping motors can move the focus elements from their minimum focus distance to infinity in 250ms, according to Leica. The minimum focus distance is 0.35m (13.8"), wi...