Super-APO-Summicron-SL 21mm F/2 ASPH. A world first.
When Leica’s innovators focus on progress, they don’t just seek improvement; they aim to redefine the standards and craft photographic masterpieces. This is precisely what they’ve achieved with the Leica Super-APO-Summicron-SL 21 f/2 ASPH., the world’s first 21mm APO lens.
No compromises on performance
This high-performance wide-angle lens delivers outstanding optical quality for both images and videos. Its wide field of view provides breathtaking perspectives and fine details. Staying true to Leica’s APO lens heritage, it ensures remarkable contrast even in challenging lighting, offering creative control over focus and bokeh.
Leica APO lenses are known for their natural skin tones, smooth transitions, and sharpness from corner to corner. Whether capturing landscapes, interiors, architecture, or working in photojournalism and studio settings, they meet the demands of any photographer.
Construction of the Super-APO-Summicron-SL 21mm F/2 ASPH. in detail
Featuring 14 meticulously crafted lenses, including three aspherical elements, arranged in 11 groups, this lens delivers exceptional performance even at the widest apertures.
Its standout feature is its apochromatic correction, making it the world’s first 21mm APO lens designed for full-frame cameras.
To combat chromatic aberration, many of the lens elements are made from custom glass with anomalous partial dispersion, a result of advanced manufacturing techniques and expert craftsmanship.