Leica APO-Summicron M 50mm f/2 ASPH Silver (11142)

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The Leica APO-Summicron-M 50mm f/2 ASPH is now also available in a silver anodized version. Thanks to the perfect interaction of all parameters, from optical design and choice of materials to sophisticated and elaborate manufacturing and finishing, this high-performance lens is considered to be the reference lens amongst standard focal lengths. It impresses with exceptional imaging performance and sharpness that captures and resolves even the finest details.

The APO-Summicron-M 50mm f/2 ASPH standard lens is characterized in particular by extremely high contrast rendition from corner to corner of the image at maximum aperture and throughout the aperture range. The utilization of a floating element in its design ensures that this is also maintained to a great extent at close shooting distances. A total of eight lens elements are employed to achieve its exceptional optical performance. Three of these are made from glass types with anomalous partial dispersion to apochromatic correction and two of the others have a high refractive index. The specially formulated glass types employed are based on original developments from the former Leitz glass laboratory. The use of such glasses requires great effort and many years of experience. Thanks to the consistent advancement of optical technologies, processes have since been refined and perfected to achieve the best possible imaging qualities.

As is the case for all other Leica lenses, the Leica APO-Summicron-M 50mm f/2 ASPH was designed and developed by Leica optical specialists in Wetzlar and represents the perfect combination of optical and technical expertise. As a particularly reliable product with enduring value with the quality guarantee “Made in Germany”, this lens is manufactured from the finest materials and is assembled completely by hand in an elaborate process. The combination of cutting-edge technologies and painstaking manufacturing procedures guarantees consistently excellent quality.

  • Leica M-Mount Lens
  • Aperture Range: f/2 to f/16
  • Apochromatic Design
  • One Aspherical Element
  • Floating Element
  • Manual Focus Design with Focus Tab
  • Minimum Focusing Distance: 2.3'
  • Filter Thread: 39mm

 

Leica APO-Summicron-M 50mm f/2.0 ASPH, silver anodized finish Camera Body Not included

 Demonstration Purposes only 

 

 

 

Angle of view (diagonal, horizontal, vertical)
for 35 mm (24 x 36 mm) 47°, 40°, 27°
for M8 digital (18 x 27 mm)

36°, 30°, 20°

corresponds to a focal length of approx. 67 mm with 35 mm-format

Optical design  
Number of lenses/groups 8 / 5
Position of entrance pupil 24.4 mm (related to the first lens surface in light direction)
Focusing range 0.7 m to infinity
Distance setting  
Scales Combined meter/feet graduation
Smallest object field 271 x 407 mm
Largest reproduction ratio 1:11.3
Aperture  
Setting/Function With click-stops, half values available, manual diaphragm
Lowest value 16
Bayonet Leica M quick-change bayonet with 6 bit lens identification bar code for digital M models
Filter mount Non-rotating, internal thread for screw-on filters size E 39
Lens hood Built-in, extendable by rotating
Dimension and weight:   
Length 47 mm 
Largest diameter approx. 53 mm
Weight approx. 300 g 

 

 

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