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Voigtlander 28mm f/2 Ultron (Vintage Style, II) Aspherical VM Lens for Leica M-Mount, Silver with Chrome Focus Rim {39}
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$801.00
Voigtlander 28mm f/2 Ultron Type II: rangefinder-native wide with serious optics.
The Ultron 28mm f/2 Type II is a manual-focus prime built for Leica M-mount cameras, and it earns its place in that ecosystem by being genuinely small and genuinely sharp. The optical formula runs 10 elements across 7 groups, with an aspherical element and a pair of abnormal partial dispersion elements working together to control chromatic fringing and maintain edge definition at wide apertures. At f/2, that matters, a 28mm lens opened up on a full-frame rangefinder is asking a lot of the glass, and Voigtlander delivers it at 244g and just 51mm long.
The silver chrome finish is not cosmetic compromise. It matches classic Leica M bodies without looking imitative, and the 39mm filter thread keeps your existing filter set in play. A 10-blade diaphragm produces smooth, rounded out-of-focus areas when you do pull focus close, minimum focus distance is 0.70m. Distance and depth-of-field scales are engraved on the barrel, which means zone focusing is a real, usable technique than an afterthought. The included lens hood rounds out a package that asks you to slow down and shoot deliberately, and rewards that approach with files that stand up to scrutiny at any output size.
Who It's For
Street photographers working in available light get f/2 in a barrel narrow enough to stay unobtrusive, with engraved focus scales that support pre-focusing without lifting the camera to your eye. Travel shooters who want a single lens on a M-body benefit from the 244g weight and the 28mm field of view that pulls in environmental context without distortion. Documentary workers shooting in low-light interiors will find the f/2 aperture genuinely useful in situations where flash is unwelcome. Mirrorless shooters on Sony E, Nikon Z, or L-Mount systems using an adapter gain a compact, character-forward wide prime built to a standard of fit and finish most native lenses at this focal length don't approach.
Key Features
- Leica M-mount prime for rangefinder bodies
- 10 elements, 7 groups with 1 aspherical element
- f/2 maximum aperture for low-light and depth-of-field control
- Aspherical design and abnormal dispersion elements control fringing edge-to-edge
- 244g, 51mm length fits tight rangefinder systems
- 10-blade diaphragm for smooth bokeh
- Engraved distance and DOF scales for zone focusing
- 39mm filter thread, includes lens hood
FAQ
- What's the optical formula, and why does it matter for a 28mm wide-angle?
- 10 elements across 7 groups with one aspherical element and two abnormal partial dispersion elements. That combination controls chromatic fringing and edge softness at f/2, where a 28mm is working hard on full-frame sensors.
- How close can you focus with this lens?
- 0.70m minimum, which is tight enough for environmental portraiture and product work on a rangefinder body.
- Does the distance scale make zone focusing practical?
- Yes. Both distance and DOF scales are engraved on the barrel, so you can preset focus and aperture without touching the camera to your eye.
- What filter size does it take?
- 39mm, which fits most standard filter kits and keeps your existing glass in rotation.
- How does the 10-blade diaphragm affect bokeh?
- It produces smooth, rounded out-of-focus areas instead of the polygon effect you get with fewer blades. That rounds out the rendering when shooting wide open.
- Is this lens compatible with modern M-mount digital cameras?
- Yes, Leica M-mount is the standard across M bodies from film through current digital production. No adapter needed.
- What does the silver chrome finish do beyond aesthetics?
- It matches classic Leica M bodies visually without mimicking them, and it resists wear better than painted finishes in daily use.
| Specification | Value |
|---|---|
| Focal Length | 28mm |
| Max Aperture | f/2 |
| Min Aperture | f/22 |
| Mount | Leica M |
| Stabilization | No |
| AF System | No |
| Min Focus Distance | 0.70 m (27.56") |
| Lens Type | Prime |
| Aperture Ring | Yes |
| Elements | 10 |
| Groups | 7 |
| Special Elements | 1 aspherical element, 2 abnormal partial dispersion elements |
| Diaphragm Blades | 10 |
| Distance Scale | Yes |
| DOF Scale | Yes |
| Filter Thread | 39mm |
| Diameter | 55 mm (2.17") |
| Length | 51 mm (2.02") |
| Package Weight | 0.785 lb |
| Box Dimensions | 5.1 x 4.5 x 4.4" |
| Finish | Silver with Chrome Focus Rim |
| Weight | 244 g (0.54 lb) |
This description was generated using AI based on KEH's internal product standards, product expertise, and knowing what customers care about most. While we strive for accuracy, details may vary by individual item.
| Brand Name | Voigtlander |
|---|---|
| Filter Size | 39mm |
| Focus Type | Manual focus (only) |
| Lens Mount | Leica M |
| Lens Type | Wide-Angle |
| Max Focal Length | 28mm |
| Min Focal Length | 28mm |
