Leica Summilux-M 50mm f/1.4 ASPH Lens
The Leica 50mm f/1.4 ASPH is a 50mm f/1.4 lens designed for Leica M mount cameras. Used copies start from $4,078.98 on GearFocus, with buyer protection on every purchase.
Leica Summilux-M 50mm f/1.4 ASPH Lens
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Lens Overview — Leica 50mm f/1.4 ASPH
Key Features — Leica 50mm f/1.4 ASPH
50mm f/1.4 Aspherical Optics: The aspherical lens element controls spherical aberration and coma for sharp, high-contrast results even at wide-open apertures.
Leica M Mount: Designed specifically for the Leica M rangefinder system, compatible with both film and digital M-series bodies.
Full-Frame Coverage: Image circle covers the full 35mm format with no crop factor on Leica M full-frame cameras.
f/1.4 Maximum Aperture: Lets in substantial light for low-light shooting and provides strong background separation when working with selective focus.
Manual Focus Design: Smooth, precise focus ring engineered for the tactile, deliberate shooting style of rangefinder photography.
Compact 335g Build: Lightweight construction makes it practical for everyday carry without adding bulk to an M-system kit.
Lens Specifications — Leica 50mm f/1.4 ASPH
| Spec | Detail |
|---|---|
| Use Cases | Fashion |
| Lens Type | Prime |
| Format | Full Frame |
| Zoom/Prime | Prime |
| Focal Length | 50mm |
| Maximum Aperture | f/1.4 |
| Camera System | Mirrorless |
| Lens Mount | Leica M |
| Autofocus | No |
| Focus Type | Manual Focus |
| Image Stabilization | None |
| Filter Thread | 46mm |
Description — Leica 50mm f/1.4 ASPH
The Leica Summilux-M 50mm f/1.4 ASPH is a prime lens built for the Leica M mount, offering full-frame coverage for M-system mirrorless cameras. Its f/1.4 maximum aperture makes it a capable option when light is limited and gives photographers meaningful control over how much of a scene is rendered in sharp focus versus soft background separation. Weighing just 335g, it sits comfortably in the hand and pairs well with the compact bodies typical of the Leica M system.
The lens operates with manual focus only, in keeping with the rangefinder shooting philosophy of the M platform. A 46mm filter thread allows straightforward use of standard protective or creative filters. The 50mm focal length falls squarely in the standard range, making this lens adaptable across portrait, street, travel, and general photography.
With no image stabilization, steady technique or faster shutter speeds are important considerations when shooting handheld in lower light at wide apertures.
Pros — Leica 50mm f/1.4 ASPH
- ✓Fast f/1.4 maximum aperture enables shooting in lower light and strong depth-of-field control
- ✓Full-frame coverage means no crop factor on M-system full-frame bodies
- ✓Compact and manageable at 335g for a fast 50mm prime
Cons — Leica 50mm f/1.4 ASPH
- ✗Manual focus only — no autofocus option for any shooting scenario
- ✗No image stabilization, which can challenge handheld shooting at slower shutter speeds
- ✗Leica M mount is a proprietary system, limiting body compatibility to M-mount cameras
Videos — Leica 50mm f/1.4 ASPH
LEICA 50MM SUMMILUX ASPH | Review and Sample Photos — Benj Haisch