Leica has introduced the APO-Summicron-SL 28mm F2 ASPH lens for full-frame L-mount bodies. It features 13 elements, 6 of which are aspherical; several of the elements are of the anomalous partial dispersion type to reduce chromatic aberration.

The lens can focus as close as 24cm (9.5″) and the maximum magnification is 0.2X. The focus group is driven by a stepping motor that Leica calls ‘Dual Syncro Drive’.
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