Leica Elmar-M 24mm f/3.8 ASPH.

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Leica Elmar-M 24mm f/3.8 ASPH.

The Leica Elmar-M 24mm f/3.8 ASPH is an extremely compact lens, especially for such a wide angle, which also offers outstanding imaging performance. Even wide-open, it delivers uniformly excellent reproduction quality over the entire image field, only deteriorating slightly towards the edges in the close-up range. This performance can only be improved slightly by stopping down, which means that you can take photographs wide open without concerns, unless your compositional ideas call for a greater depth of field that can only be achieved with smaller apertures.

The vignetting characteristic of every optical system is naturally more pronounced on a super wide angle lens than on normal and long focal length lenses. With the diaphragm completely open, it is a maximum - i.e. in the corners of the image - of around 1.9 stops for the 35mm format. Stopping down to 5.6 visibly reduces this light falloff at the image edges - to 1.4 and 0.8 stops respectively. Stopping down further does not bring about any notable reduction since essentially only the natural vignetting remains.

The lens' maximum distortion is around 1% and therefore hardly perceptible.The retrofocus-like construction is made up of a total of eight lens elements and the use of an aspherical surface and glass types with anomalous color dispersion (partial dispersion) make a crucial contribution towards restricting aberrations to an absolute minimum.

The essentials:

  • Diagonal picture angle: 84 °
  • Working range: 0.7 m to infinity
  • Biggest scale: 1:26
  • Number of lenses/groups: 8/6
  • Length * 1: 40.6 mm
  • Weight * 1: 260 g
  • Lens hood: can be screwed on
  • Filter/filter thread: E46
  • Made in Germany


The LEICA Camera Blog

  •  Angle of view (diagonal, horizontal, vertical):
    84° / 74° / 53°
  • Optical design
  • Number of lenses/groups:
    8 / 6
  • Focal length:
    24.5 mm
  • Position of entrance pupil:
    18.7 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:
    615 x 922 mm
  • Largest reproduction ratio:
  • Aperture
  • Setting/Function:
    With click-stops, half values available, manual diaphragm
  • Lowest value:
  • Bayonet:
    Leica M quick-change bayonet with 6 bit lens identification bar code for digital M models
  • Filter mount/Lens hood:
    Non-rotating, female thread for filters E46, male thread for lens hood, screw-on type lens hood (included in delivery)
  • Dimension and weight
  • Length:
    40.6 / 56.6 mm (without/with lens hood)
  • Largest diameter:
    Approx. 53 mm
  • Weight:
    260 g

Lens, lens hood can be screwed on, cover for lens hood, lens rear cover, lens front cover E46

Limited Warranty:
Leica Camera AG (‘LEICA’) provides a three-year product limited warranty for this LEICA camera valid from the date of purchase from an authorized LEICA dealer, including the accessories contained in the original packaging, which are valid for two years.