Leica 35mm f/2.5 Summarit-M Lens

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High Quality, Fast, Compact and Lightweight

Leica 35mm f/2.5 Summarit-M Lens is the wide angle lens

The Leica 35mm f/2.5 Summarit-M Lens is a wide lens belonging the Summarit-M stable of rangefinder lenses. Summarit-M lenses have been engineered to produce accepted optical Leica and mechanical superiority, while placed at a price range below today's M ASPH lenses.

Featuring a big maximum f/2.5 aperture and by utilizing traditional and verified aspherical lens design, these lenses produce excellent quality. A consequence of these features is a very compact package.

Adjusting a smaller size with a fast aperture, the Leica Summarit-M 35mm f/2.4 ASPH Lens offers Leica M mount camera shooters a wide-angle point of view. The 35mm lens point uses aspherical elements in a 6 element and 4 group optical layout that provides a more compact lens with sharp optical execution across the frame. An aperture from f/2.4 to f/16 likewise adds to flexibility in an assortment of shooting conditions. Furthermore, the lens is completely manual focus and features 6-bit coding for raising up frame lines and exchanging metadata to the camera.

The lens's industrial design takes into consideration better optical execution contrasted with its antecedents and takes into account a minimum focusing distance of 2.6'. There are threads on the front of the lens for utilizing a 46mm filter, and the 35mm provides a nine-blade aperture for smooth out-of-focus components. Moreover, the lens includes a metal hood and is made in Germany.

Completely manual focal point intended for Leica M digital and analog cameras

Aperture range of f/2.4 to f/16

Industrial engineering that offers enhanced optical performance

Aspherical components provide for a compact design with enhanced optical operation through the decrease of unmistakable abberations

6-bit coding for full Leica camera compatability and the exchange of metadata

2.6' to infinity focusing range

Nine aperture blades for smooth out-of-focus images

Uses 46mm threaded filters

Metal hood and metal lens cap are included

Manufactured at Leica Wetzlar factory in Germany


Leica lens new updated "6-bit" coding

This Leica lens features the new updated "6-bit" coding, that allows the M digital camera to optically read this information and then identify the lens being mounted. Optionally the M camera can then apply a software based "last stage" vignetting adjustment (for images captured in RAW, the lens mounted is simply recorded, with no changes made).  Read more. May 10, 2011 ✓


All letter and number engravings will be made using the traditional "Leitz-Norm" font as originally used by Leitz Wetzlar during the 1960's, and the red button on the lens mount will be true to the original color used on lenses produced since the introduction of the M mount through the 1970's.

Includes "6-bit code" which allows the digital M8 camera to identify which lens is being used, and also to store this information in image metadata.

High quality, fast, compact and lightweight.

The 9-bladed circular aperture creates a shallow depth-of-field that brings attention to the subject and blurs the background, which is ideal for portraits and weddings.

Manufactured and marked "Made in Germany".

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Lens stylePrime lens
Max Format Size 35mm FF  
Lens focal length25 35 mm  
Image stabilization No  
Camera mount Leica M  
Angle of view 64  
Aperture (lens diaphragm)
Largest aperture opening F2.5  
Smallest aperture opening F16.0  
Includes aperture ring Yes  
Aperture annotations Preset, with click-stops, half values available  
Total Elements 6  
Number of Groups 4  
Minimum focus distance 0.70 m (27.56")  
Maximum magnification ratio 0.049 x  
Autofocus type No  
Full time manual focus Unknown  
Lens distance scale Yes  
Depth of field scale Yes  
Physical features
Overall weight220 g (0.49 lb)  
Lens diameter 51 mm (2.02")  
Overall length 34 mm (1.33")  
Filter thread size 39 mm  
Lens hood included No  
Tripod collar included No

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.


Leica 35mm f/2.5 Summarit-M Lens is the wide angle lens

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Leica 35mm f/2.5 Summarit-M Lens Reviewed by Gene Wright on . Rating: 5