Leica 11103 M 21mm f/3.4 Super-Angulon Lens
The Leica 11103 is a 21mm f/3.4 lens designed for Leica M mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.
Leica 11103 M 21mm f/3.4 Super-Angulon Lens
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Lens Overview — Leica 11103
Key Features — Leica 11103
21mm Full-Frame Prime: Covers a full-frame sensor at 21mm, providing a wide field of view suited to landscapes, architecture, and environmental photography.
f/3.4 Maximum Aperture: Offers a workable exposure range in a compact form factor without the bulk associated with faster wide-angle lenses.
Leica M Mount: Native M-mount design ensures direct, mechanical compatibility with Leica M-series rangefinder bodies without adapters.
Rangefinder-Coupled Manual Focus: Integrates with the Leica M rangefinder focusing system for precise, tactile focus control consistent with the M shooting experience.
180g Compact Body: Exceptionally light construction makes it a practical choice for travel and street photography where minimizing kit weight matters.
49mm Filter Thread: A small, common filter diameter keeps the cost of compatible polarizers, ND filters, and other accessories relatively low.
Lens Specifications — Leica 11103
| Spec | Detail |
|---|---|
| Use Cases | Landscape, Architecture, Street |
| Lens Type | Prime |
| Format | Full Frame |
| Zoom/Prime | Prime |
| Focal Length | 21mm |
| Maximum Aperture | f/3.4 |
| Camera System | Rangefinder |
| Lens Mount | Leica M |
| Autofocus | No |
| Focus Type | Manual |
| Image Stabilization | None |
| Filter Thread | 49mm |
Description — Leica 11103
The Leica 11103 M Super-Angulon is a 21mm full-frame prime lens mounted in the Leica M bayonet, purpose-built for M-mount rangefinder cameras. It operates at a maximum aperture of f/3.4 and is focused entirely by hand — there is no autofocus mechanism, in keeping with the manual, deliberate nature of rangefinder shooting. Weighing just 180g, it is one of the lighter options available for the M system, and its 49mm filter thread means accessory filters are easy to find and reasonably priced.
Image stabilization is not included. The lens is classified as a wide-angle type, covering the full-frame format, and its fixed focal length makes it a straightforward, no-compromise choice for photographers who know exactly what 21mm gives them. Whether used on a digital or film M-mount body, the Super-Angulon 21mm f/3.4 delivers a consistent wide-angle perspective in a package that barely registers on the scale.
Pros — Leica 11103
- ✓Lightweight at just 180g, making it easy to carry for extended shoots
- ✓21mm full-frame prime focal length offers a wide perspective with no zoom-related compromises
- ✓Native Leica M mount ensures direct compatibility with M-mount rangefinder cameras
Cons — Leica 11103
- ✗Maximum aperture of f/3.4 is relatively modest, limiting performance in low-light situations
- ✗No image stabilization, so handheld shooting in dim conditions requires careful technique
- ✗Manual focus only — no autofocus option for photographers who prefer or require it