Voigtlander 21mm f/1.8 Ultron Aspherical VM Lens for Leica M-Mount, Black Review

The Voigtlander 21mm f/1.8 Ultron Aspherical VM is a compact wide-angle prime designed for Leica M-mount rangefinder cameras. At $429 MSRP, it occupies the affordable end of the M-mount lens spectrum, offering a fast f/1.8 aperture and a useful 21mm focal length for street photography, environmental portraiture, and landscapes. The built-in petal hood simplifies workflow and protects the front element without adding bulk.

Voigtlander's Ultron line has a reputation for delivering solid optical performance and mechanical build quality at a fraction of the cost of native Leica glass. The aspherical element should help control distortion and maintain sharpness across the frame, which is critical at this focal length. For M-mount shooters looking for an affordable ultra-wide with a bright aperture, this lens fills a clear niche, though prospective buyers should confirm compatibility with their specific rangefinder body, especially regarding frameline accuracy and potential viewfinder blockage at 21mm.