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Leica APO Summicron 50mm F2 ASPH | Leica M Lens | Black | 11141

Product Code: 11141

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  • Angle of View 36, 30, 20 Degree
  • 0.7m Minimum Focus
  • Pre Fix with Click Stops
  • E39 Filter Thread
  • Combined Meter Feet Scale 
  • Includes 2 Year Warranty
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Free delivery to UK Mainland on all orders over £30

£2.95 on orders below £30

Express and Saturday also available

Same day dispatch on all orders placed by 2pm Monday - Friday (excluding bank holidays)

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Description

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 cushion), 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 1:1.4/35 mm ASPH. This group comprises a "floating element", which is moved independently of the rest of the construction during focusing.

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    Specification

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

    Angle of View: 

     

    47° / 40° / 27° (With Leica M8 models: 36° / 30° / 20°)

    No. of Lens Groups 

     

    8/5

    Entrance Pupil: 

     

    24.4mm 

    Focus Range: 

     

    0.7m To Infinity 

    Distance Setting Scales

     

    Combined Meter/Graduation 

    Smallest Object Field: 

     

    271 x 407mm approx (With M8 203 x 305mm approx 

    Largest Repro Ratio: 

     

    1:11.3 approx 

    Aperture Setting: 

     

    Pre-fix with Click Stops, half steps 

    Lowest Aperture Value: 

     

    16 

    Lens Hood: 

     

    Built-in, extendable by Rotating 

    Filter Mount: 

     

    Female Thread for Screw-on E39 Filters non rotating 

    Length x Dia:

     

    47mm x 53mm approx 

    Weight: 

     

    300g approx 

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     Free Delivery

    Free delivery to UK Mainland on all orders over £30

    £2.95 on orders below £30

    Express and Saturday also available

    Same day dispatch on all orders placed by 2pm Monday - Friday (excluding bank holidays)

    Click here for full details

     

     Trade In

    Have equipment to trade in?

    Get a quote today

     

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