Full-frame Lens Simera 21mm f1.4 Leica M

Simera 21mm f/1.4 brings the wide-angle perspective into the Simera series, combining an expansive field of view with careful optical refinement. Its optical formula includes 2 aspherical, 3 high-refractive index, and 3 extra-low dispersion elements that work together to suppress chromatic aberration and distortion across the frame, ensuring sharp, true-to-life rendering from edge to edge.

• Ideal for landscape photography and portrait close-ups.

• 14-blade aperture for smooth bokeh and defined starburst highlights

• Multiple special elements: 2 aspherical lenses, 3 ED lenses, 3HRI lenses

• Clean, rounded bokeh with no onion ring artifacts

• Low chromatic aberration even at maximum aperture (f/1.4)

• Excellent distortion control for accurate wide-angle rendering

• Lightweight build — just 427g, ideal for compact setups

• Selectable aperture ring with both clicked and de-clicked modes for hybrid use

• High-performance optics — 13 elements in 11 groups, with a floating group, including aspherical, high-refractive index, and extra-low dispersion glass