Ksana 21mm F/3.5 M Mount Black Lens

The Ksana 21mm F/3.5 M Mount Black is a compact ultra-wide 21mm lens built for full-frame M-mount cameras, including Leica M, offering a wide 91° angle of view. Its slim 27 mm design and lightweight 131 g construction make it well adapted to travel, street, architectural, and interior photography. The optical formula uses 8 elements in 6 groups with a gold anti-reflective coating to control flare and ghosting in complex lighting situations. With a 0.5 m minimum focusing distance, rangefinder coupling, and an integrated focusing tab, it provides precise and responsive manual focusing for documentary and everyday use.