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  • Leica Summilux-m 28mm/f1.4 ASPH

Leica Summilux-m 28mm/f1.4 ASPH

$6,595.99
 
SKU:
LEI201606
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Summary

The Leica Summilux-M 28mm f/1.4 ASPH. rounds off the range of high-speed M wide angle focal lengths. It offers exce lent image performance over the entire image field even at full aperture and in the close-up range thanks to a „floating element“. With its exceptional contrast, the lens delivers the same recognized high performance level as the Leica Summilux-M 35mm f/1.4 ASPH., and in some respects actually outperforms it. The vignetting that is typical of every optical system is naturally more defined on a wide angle lens, particularly a high speed one like this, than on standard lenses or those with a long focal length. At full aperture in 35mm format it is a maximum, i.e. in the corners of the image, of around 3.4 stops, around 2 stops on Leica M8 models with their slightly smaller format. Stopping down to 5.6 visibly reduces this light falloff – to 1.8 and 0.8 stops respectively. Stopping down further does not bring about any notable

reduction as essentially only the natural vignetting remains. Distortion is extremely low for a wide angle lens at a maximum of 1.1% (pulvinate), which is rarely noticeable in practice. A total of ten lens elements are used to achieve this exceptional performance. To correct color defects, seven of these are made of glass types with anomalous color dispersion (partial dispersion), while one has an aspherical surface. To maintain performance in the close-up range, one element towards the rear of the optical system is a “floating element” that moves independently of the rest of the mechanism.

 

Features

  • Fast aperture and unmistakable

    The Summilux-M 1:1,4/28mm ASPH. is the first Leica lens which combines such a high aperture and focal length. It completes the high speed prime lens family. Thanks to its high sharpness in the focal plane and low depth of field, the image quality is unmistakable. In this way the subjects can be isolated from their surroundings with crystal clarity to create images with a unique visual signature. This makes it ideal for reportage photography and also for architecture and landscapes. The lens provides excellent imaging performance in all lighting situations. Notwithstanding these features it remains the perfect compact sized companion.

  • Technical Details

    The lens consists of ten lenses in seven groups. It holds an aspherical lens-element and a floating element, which guarantee a high image quality to its minimum focusing distance of 0,7m. The lens ensures a superb colour correction with its three cemented elements and seven lens-elements with anomalous partial dispersion. Reaching from infinity to its minimum focusing distance the lens offers exceptional imaging performance with high contrasts across the complete focusing range.

 

Specifications

  • Angle of view (diagonal, horizontal, vertical): 75°/65°/46° (M8: 60°/51°/35°)
  • Optical design Number of lenses/groups: 10 / 7
  • Position of entrance pupil (from bayonet flange): 31,9 mm
  • Focus range: 0.7 m to ∞
  • Distance setting Scales: Combined meter / graduation
  • Smallest object field: 526 mm x 789 mm (M8: 395 mm x 592 mm)
  • Largest reproduction ratio: 1 : 21,9
  • Aperture Setting / Function: prefix with click-stops, half steps
  • Lowest value: 16
  • Bayonet Leica M quick-change bayonet
  • Lens hood External thread with stop for screw on lens hood (included)
  • Filter mount E49
  • Dimensions and weight Length: approx. 81 mm
  • Largest diameter: approx. 61 mm
  • Weight: approx. 440g



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