Leica Summilux-M 21mm f/1.4 ASPH Lens

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Key Features

  • 21mm focal length
  • F1.4 maximum aperture; F16 minimum
  • Manual focus
  • Series 8 filters fitted via dedicated hood
  • 0.7m/27.5" minimum focus

Product Description

The Leica Summilux-M 21 mm F1.4 ASPH. offers a wide field of view coupled with a very fast maximum aperture, making it ideal for available light photography. Accurate framing on one of Leica's M-series rangefinder cameras requires a separate optical viewfinder, but focus and metering can be set from the camera, in the normal way. Optical construction consists of ten elements in eight groups, with two aspherical elements and a floating group for optimal performance at close focusing distances.

Specs

Principal specifications
Lens type Prime lens
Max Format size 35mm FF
Focal length 21 mm
Image stabilisation No
Lens mount Leica M
Aperture
Maximum aperture F1.4
Minimum aperture F16.0
Aperture ring Yes
Aperture notes Detents at half stop increments
Optics
Elements 10
Groups 8
Special elements / coatings 2 aspherical elements 5 anomolous dispersion elements
Focus
Minimum focus 0.70 m (27.56)
Maximum magnification 0.03×
Autofocus No
Full time manual N/A
Focus method Extending front
Focus notes Floating focus system
Distance scale Yes
DoF scale Yes
Physical
Weight 580 g (1.28 lb)
Diameter 70 mm (2.74)
Length 66 mm (2.6)
Sealing No
Colour Black
Filter notes Series Filter VIII in lens hood
Hood supplied Yes
Tripod collar No

Reviews

User Reviews

5.0 out of 5 stars
  • avotius, Mar 24, 2013 GMT:
    Good lens

    This is a good lens on my M9. It is large by rangefinder standards but not so big that it is too much of a burden to use. The focus tends to stay put when its set so zone focusing is easy and you dont have to worry too much about the focus changing while you are wandering around. Of course the f1.4 is the main event here and it does not disapoint. Hitting focus is easy even at 1.4 and it is interesting to use for a lot of situations. This lens does not have as much contrast as my Zeiss 21 ...

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