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Leica 21mm F1.4 ASPH. Summilux-M

Leica 21mm F1.4 ASPH. Summilux-M



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The Leica Summilux-M 21 mm f/1.4 ASPH. is the first and only 21mm small camera lens with this lens speed.

The outstanding image quality, very large image angles, and compact dimensions make the Leica Summilux-M 21 mm f/1.4 ASPH a particularly versatile performer. At full aperture, the depth of field (DOF) is extremely shallow. As a result, in close-ups the main subject can be separated effectively from the background to create very expressive photographs. At a medium stop, the focal range is so great that entire scenes can be reproduced sharply. Because of the floating element, the very high resolution is retained even in the close-up range. Vignetting and distortion are both corrected excellently for a lens of this speed.

A patented, rectangular lens hood fits Series VIII filters.

Angle of view (diagonal, horizontal, vertical) 92 / 81 / 59
Number of lenses/groups 10 / 8
Focal length 21.6 mm
Position of entrance pupil 24.4 mm (related to the first lens surface in light direction)
Focusing range 0.7 m to infinity
Scales Combined meter/feet graduation
Smallest object field 685 x 1027 mm
Largest reproduction ratio 1:29
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 Series filter VIII in lens hood
Lens hood Seperate, screw-on type
Length 66 / 77 mm (without / with lens hood)
Largest  diameter approx. 69.5 mm
Weight approx. 580 g

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