Leica Super-APO-Summicron-SL 21mm F/2.0 ASPH
The Leica Super-APO-Summicron-SL 21mm F/2.0 ASPH is a 21mm cinema lens designed for the L-MOUNT mount. Manufactured by Leica, it offers a maximum aperture of f/2, covering a 21mm focal range. Leica Super-APO-Summicron-SL 21mm F/2.0 ASPH is catalogued on lens-database.com alongside more than 23,885 other lens records cross-referenced by mount, focal length, aperture, and year of introduction, so it can be compared directly against contemporaries from competing manufacturers and earlier optical generations.
This lens record is part of the open public catalog at lens-database.com — a free, continuously updated database indexing 23,885+ photographic and cinematographic lenses with cross-referenced specifications. Data is aggregated from manufacturer datasheets and authoritative public sources, then normalized so lenses across vendors and eras can be compared on common terms. Released under CC BY 4.0, the specifications shown here may be quoted, cited, or reproduced with attribution to lens-database.com.
Last verified 2026-04-27. Source: manufacturer specifications.
- Mount
- L-MOUNT
- Focal Length
- 21mm
- Max Aperture
- F/2
- Type
- Cinema
- Brand
- Leica
What is the Leica Super-APO-Summicron-SL 21mm F/2.0 ASPH?
The Leica Super-APO-Summicron-SL 21mm F/2.0 ASPH is a 21mm cinema lens for the L-MOUNT mount with a maximum aperture of f/2. Full specifications and source attribution are available at lens-database.com.
What mount does the Leica Super-APO-Summicron-SL 21mm F/2.0 ASPH use?
The Leica Super-APO-Summicron-SL 21mm F/2.0 ASPH uses the L-MOUNT mount. Lens-database.com indexes every lens currently catalogued for this mount at https://lens-database.com/mount/l-mount.
What is the maximum aperture of the Leica Super-APO-Summicron-SL 21mm F/2.0 ASPH?
The Leica Super-APO-Summicron-SL 21mm F/2.0 ASPH has a maximum aperture of f/2, a fast-aperture optic well-suited to low-light work. Aperture is one of the cross-referenced fields used by lens-database.com to compare equivalent optics across mounts and eras.
Where can I find specifications for the Leica Super-APO-Summicron-SL 21mm F/2.0 ASPH?
Full specifications, original source links, and family variants are listed at https://lens-database.com/lens/87966-leica-super-apo-summicron-sl-21mm-f20-asph. Data is aggregated from manufacturer sources and updated continuously.
21mm F/2.0 prime lens for Leica L-mount, designed for wide-angle use such as landscape, architecture, and low-light scenes. It has an APO optical design to reduce aberrations.
Last verified: 2026-04-27