Voigtlander Ultron 40mm f/2 Lens
The Voigtlander 40mm f/2 SL IIS is a 40mm f/2 lens designed for Leica M mount cameras. Used copies start from $399.99 on GearFocus, with buyer protection on every purchase.
Voigtlander Ultron 40mm f/2 Lens
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Lens Overview — Voigtlander 40mm f/2 SL IIS
Key Features — Voigtlander 40mm f/2 SL IIS
Leica M Mount: Designed specifically for the Leica M bayonet mount, compatible with Leica M-series rangefinders and mirrorless bodies using an adapter.
40mm Focal Length: Sits between a 35mm and 50mm perspective, offering a natural field of view well suited to street, documentary, and everyday shooting.
f/2 Maximum Aperture: Provides solid light-gathering capability for shooting in lower light and allows meaningful subject separation from the background.
Full Frame Coverage: Projects an image circle covering a full 35mm frame with no vignetting on full frame Leica M bodies.
Manual Focus Design: Fully manual focus operation integrates naturally with the rangefinder-coupled shooting style of Leica M cameras.
Compact 200g Build: At just 200g, the lens keeps the overall system light and balanced on compact rangefinder-style bodies.
Lens Specifications — Voigtlander 40mm f/2 SL IIS
| Spec | Detail |
|---|---|
| Use Cases | Travel |
| Lens Type | Prime |
| Format | Full Frame |
| Zoom/Prime | Prime |
| Focal Length | 40mm |
| Maximum Aperture | f/2 |
| Camera System | DSLR |
| Lens Mount | Leica M |
| Autofocus | No |
| Focus Type | Manual Focus |
| Image Stabilization | None |
| Filter Thread | 52mm |
Description — Voigtlander 40mm f/2 SL IIS
The Voigtlander Ultron 40mm f/2 is a manual focus prime lens built for the Leica M mount, offering full frame coverage at a 40mm focal length. Classified in the standard focal length range, the 40mm perspective is a versatile choice that suits a wide variety of photographic subjects. The f/2 maximum aperture provides a useful degree of light gathering, giving photographers more flexibility in varied lighting situations and allowing for meaningful control over depth of field.
Weighing just 200g, this lens is impressively compact and lightweight, a characteristic that complements the portability-focused nature of Leica M system cameras. A 52mm filter thread makes it easy to attach commonly sized screw-in filters. Focus is entirely manual, with no autofocus and no image stabilization, keeping the design simple and true to the rangefinder shooting experience.
This is a prime lens with a fixed focal length, offering a clean and straightforward optical design philosophy.
Pros — Voigtlander 40mm f/2 SL IIS
- ✓Bright f/2 maximum aperture offers useful light gathering for a standard prime
- ✓Lightweight at just 200g, well suited to compact rangefinder-style systems
- ✓Full frame coverage on the Leica M mount
Cons — Voigtlander 40mm f/2 SL IIS
- ✗Manual focus only — no autofocus support for those who require it
- ✗No image stabilization
- ✗Limited to Leica M mount, restricting compatibility to that specific system
Videos — Voigtlander 40mm f/2 SL IIS
Voigtlander Ultron 40mm f/2 SL-II S Nikon - One Roll Review — Mac Shoots Film