Leica APO-Summicron-SL 90mm f/2 ASPH. Lens Discontinued the lens' focus group is

the lens' focus group is driven by two XD (extreme dynamic) Linear Motors that achieve higher thrust and efficiency than conventional types of AF drive motors

compatible with cameras' phase and contrast-detection autofocus systems

There is light fall off when using any extension tube

It has been optimised for Epson UltraChrome Solvent Ink to ensure sharp detail

Simplified Chinese

Leica APO-Summicron-SL 90mm f/2 ASPH. Lens Discontinued the lens' focus group isPresenting a favored focal length for portraiture, the APO Summicron SL 90mm f 2 ASPH. from Leica is an optically refined short telephoto prime designed for full frame L mount mirrorless cameras. Complementing the comfortable focal length is a bright f 2 maximum aperture that suits working in low light conditions and also affords great control over depth of field for isolating subject matter. The lens' apochromatic optical design uses anomalous