Voigtlander's reference wide-angle — the APO-Lanthar 28mm f/2 for Leica M with apochromatic optics.
The Voigtlander APO-Lanthar 28mm f/2 VM is the wide-angle member of Cosina's reference-class APO-Lanthar family for Leica M mount. The APO-Lanthar designation represents the absolute highest optical tier — full apochromatic correction that virtually eliminates chromatic aberration. At 28mm f/2, it provides a fast, optically perfect wide-angle for M-mount rangefinder photography.
Optical performance is extraordinary. Chromatic aberration is virtually absent — the APO-Lanthar correction is as effective at 28mm as in the celebrated 50mm sibling. Sharpness is outstanding from f/2. Distortion is minimal. Colour rendition is exceptionally precise. The rendering combines clinical accuracy with natural depth transitions — technically perfect yet pleasing.
Leica M mount with rangefinder coupling. Filter thread is 46mm. Weight is approximately 260 grams — compact. Build quality is outstanding with precision Cosina engineering. Manual focus with smooth, precise helicoid. The 28mm perspective is ideal for street and documentary work on M-mount rangefinders — this provides that perspective with reference-class optics.
Limited availability as a newer lens. Check rangefinder coupling and smooth focus. One of the finest 28mm lenses available regardless of mount or price. The APO-Lanthar correction at 28mm is an extraordinary achievement. For M-mount photographers who demand absolute optical perfection at the classic street photography focal length.