Konica's fast portrait Hexanon — the limited 60mm f/1.2 in Leica Thread Mount.
The Konica Hexanon 60mm f/1.2 in Leica Thread Mount is a limited-run fast lens from 1999, produced by Konica as a showcase high-speed optic for its rangefinder heritage. It is a modern, low-production screw-mount lens rather than a vintage one, and is sought after for its very large maximum aperture.
It is a manual-focus rangefinder-coupled lens with a 60mm focal length and a maximum aperture of f/1.2, one of the faster rangefinder lenses ever offered in this class. The large aperture makes it a substantial optic, and the slightly long normal focal length pairs with the wide aperture for shallow depth of field.
At 60mm and f/1.2 the lens delivers very shallow depth of field and pronounced subject separation, which suits portraits and low-light shooting. Wide open the rendering is soft and dreamy with a thin plane of focus, firming up as it is stopped down toward the middle apertures.
Because production was limited, used examples are scarce and command high prices; when one appears, check glass clarity, smooth focus of the heavy helicoid and a precise aperture, and verify accurate rangefinder coupling given the demanding f/1.2 focus. It adapts to Leica M with an LTM-to-M ring and to mirrorless cameras via an adapter, where focus aids help with the thin depth of field.