23mm / f2.0 ASPH Summicron (E52) (TL)




For unforgettable pictures

The Summicron-T has a focal length of 23 mm - in terms of 35 mm format, this corresponds to 35 mm - the focal length of the legendary Leica lenses for reportage photography. A truly classical focal length that lets you realize the pictures you see in your mind’s eye and exploit the potential of creative expression! Just as legendary is the maximum aperture of f/2, with which you can bring to life the unmistakeable Leica bokeh. And create your own iconic photos.


Field angle,(diagonal, horizontal, vertical):  Approx. 64°, 53°, 35°, corresponding to around 35 mm focal length in 35 mm format
Optical design

  • Number of lenses / groups:  9 / 6
  • Aspherical surfaces:  2
  • Position of entrance pupil,(at infinity / at close up limit):  -22,7/10.5 mm (in direction of light incidence behind /in front of bayonet mount)

Distance setting

  • Setting / Function:  Electronically controlled, mode selectable using,camera menu: Automatic (AF) or manual (M), in AF mode manual override possible at any times with setting dial,Focusing range: 0.3 m to infinity
  • Smallest object field /,Largest scale:  Approx.: 295 x 196 mm / 1:12.6

Setting / Function: Electronically controlled, adjustment using dial,on camera, third values also available,Lowest value:  16
Bayonet fitting:  Bayonet Leica T with contact strip for Leica T models
Filter mount / Lens hood:  External bayonet fitting for lens hood (included), internal thread for E52 filters, filter mount does not rotate
Finish:  Black anodized
Dimensions and weight

  • Length to bayonet mount:  Approx. 37/69 mm (without/with lens hood)
  • Largest diameter:  Approx. 63/73 mm (without/with lens hood)
  • Weight:  Approx. 154/186 g (without/with lens hood)