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Camera Lane

Leica APO-Summicron-M 50mm F2 ASPH Silver anodized Lens (New)

$10,990.00

Leica APO-Summicron-M 50mm F2 ASPH Silver anodized Lens (New)

$10,990.00
SKU:
11142
Availability:
Special Order Only
Quantity:
This product is available for pre-order only
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Product Description

The APO-SUMMICRON-M 50mm F2 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.
 
The sharpest ever standard lens is now also available in anodized finish

More than 30 years after the launch of Summicron-M 1:2/50 mm, which is still available, the Leica APO Summicron-M 1:2/50 mm ASPH. represents a totally new development. With its compact body - only marginally longer and slightly heavier than the Summicron-M 1:2/50 mm, and with an almost identical diameter, it provides visibly higher image quality. On the Leica APO Summicron-M 1:2/50 mm ASPH. the exceptional correction enables all aberrations to be reduced to a minimum level that is negligible in digital photography. Its key features include excellent contrast rendition, all the way to the corners of the image, even with a fully open aperture. The use of a „floating element“ ensures that this is retained, even for close-up shots. Vignetting is limited to a maximum - i.e. in the corners of the image - of just 2 stops at full aperture in 35 mm format, or around 1 on the Leica M8 models. Stopping down to 2.8 visibly reduces this light deterioration towards the edge of the image, with practically only the natural vignetting remaining. Distortion is very low at a maximum of just 0.4 % (pin cushoin), which is practically imperceptible. A total of eight lens elements are used to achieve this exceptional performance. To realize the apochromatic correction (resulting in a common focusing plane for three light wavelengths), three are made of glass types with high anomalous partial color dispersion, while two of the others have a high refractive index. The aspherical surface of the first lens in the rear group helps to reduce spherical aberration and flatten the image field. While the optical construction in front of the aperture is a Gaussian type, the arrangement of the lens elements behind it is similar to that in the Summilux-M :1.4/35 mm ASPH. This group comprises a "floating element", which is moved independently of the rest of the construction during focusing. 

Technical Data

Angle of view (diagonal, horizontal, vertical): 47° / 40° / 27° (With Leica M8 models: 36° / 30° / 20°)
Optical design:Number of elements/ groups: 8 /5
Focal length: 52.3 mm
Entrance pupil: 24.4mm (related to the first lens surface in light direction)
Focusing range: 0.7 m to ∞
Distance setting: Scale: combined meter/graduation
Smallest object field: approx. 271 mm x 407 mm (With Leica M8 models: 203 mm x 305 mm)
Highest reproduction ratio: 1:11.3
Apertre Setting / Function: prefix with click-stops, half-steps
Smallest aperture: f/16
Bayonet: Leica M quick-change bayonet
Filter (type) internal thread for screw-in type filters E39
Lens hood: built-in, extendable by rotating
Dimensions and weight: Length: 47 mm
Largest diameter: approx. 53 mm
Weight: approx. 300 g (silver chrome finish)

For more information, please call us at (03) 9670-0560.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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