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Super fast, ultra wide angle lens
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.
LEICA M8.2, ISO 320, f/2, 1/90 s
|Angle of View (diagonal, horizontal, vertical)||92° / 81° / 59°|
|Optical Design||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
|Distance Setting||Scales: Combined meter/feet graduation
Smallest object field: 685 x 1027 mm
Largest reproduction ratio: 1:29
|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||Series filter VIII in lens hood|
|Lens Hood||Separate, screw-on type|
|Dimensions & Weight||Length: 66 / 77 mm (without / with lens hood)
Largest diamater: approx. 69.5 mm
Weight: approx. 580 g
Questions & Answers
Leica 21mm f/1.4 ASPH Summilux-M Black Lens (S8)
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