Voigtlander 28mm f/2.0 Ultron M Mount Lens

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This Lens Hides Half the Viewfinder,
Making Shooting Difficult

Voigtlander 28mm f/2.0 Ultron M Mount Voigtlander 28mm f/2.0 Ultron medium condensed size lens. Although somewhat more compact than the 28mm f/1.9 lens that came before it, and also contains a focusing lever. Perhaps the perfect day in and day out lens for photographing in poor lighting conditions, and still have excellent focusing results.

Much smaller and less weight than the previous LTM before it, this wide-angle M lens produces better results at an identical cost! It features a half-moon type focusing tab.46mm size filter and a .7 meters close focus distance. There are 10 Elements within 8 groups. The weight is8.6 oz (244 grams). (Terrific range-- ideal for serious street photography).

A normal Leica M-mount is employed on this lens, allowing it to mount on the Konica Hexar RF, Voigtlander Bessa Cameras: R-2/R-3/R-4 & T, along with the popular Leica M cameras. 

The biggest issue with this lens is that it hides half of the viewfinder, making shooting a difficult, unless you don't really need to see what you're shooting. May 19, 2011 ✓


    Fast f/2 aperture
    10-bladed aperture diaphragm creates very pleasing out-of-focus highlights
    All metal lens barrel

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Lens stylePrime lens  
Max Format Size 35mm FF  
Lens focal length28 mm  
Stabilization type No  
Camera mount Leica M  
Aperture (lens diaphragm)
Largest aperture opening F2.0  
Smallest aperture opening F22.0  
Includes aperture ring Yes  
Total diaphragm blades 10  
Total Elements 10  
Number of Groups 8  
Minimum focus distance 0.70 m (27.56")  
Autofocus type No  
Full time manual focus Unknown  
Lens distance scale Yes  
Depth of field scale Yes  
Physical features
Overall weight244 g (0.54 lb)  
Lens diameter 55 mm (2.17")  
Overall length 51 mm (2.02")  
Filter thread size 46 mm  
Lens hood included Yes  
Tripod collar included No

Lens Includes

Voigtlander 28mm f/2.0 Ultron Manual Focus M Mount Lens
Front & Rear Caps
Lens Hood
1-Year Warranty


M Mount AdaptersLeica Four Thirds Adapter
The Leica M mount was introduced in 1954 at the same time as the Leica M3. It's been the mount of choice on every Leica M series thru the present day Leica M7 film camera and Leica M9 digital camera and Lenses.

The M Mount was also the mount used for Minolta's CLE rangefinder, on the Konica Hexar RF, on the later versions of the Voigtlander Bessa family and Lenses, the mount for the Rollei 35RF, also quite recently on the newest Zeiss Ikon Rangefinder and Lenses..

Benefits of Lens adapters is versatility, and saving money with the continued use of the preferred lenses you already own.

Drawbacks of lens adapters is the inconvenience, no electronic connection between the adapted lens and your camera body A couple of factors are necessary for a lens adapter to work properly. First, the camera body "lens registration" space or the expanse between the mount of the lens to the sensor or film surface. Two, the "throat size" of the mount or the mount diameter. An adapter flanked by the body of the camera and a lens from different brands, this registration distance of the adapted lens must be larger than the registration distance on the body; plus the lenses throat-size must be less than the throat size on the body mount. M lenses can be adapted to Canon EOS, Nikon, Micro Four Thirds, and Sony Nex Cameras.

Voigtlander 28mm f/2.0 Ultron M Mount

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