Leica APO Summicron for the SL series
Leica,  Lens Database

Leica APO-Summicron-SL 50mm F2 ASPH

Technical data:

Lens APO-Summicron-SL 50 mm f/2 ASPH.
Angle of view

(diagonal, horizontal, vertical)

47.2° / 40.0° / 27.3°
Optical design
Number of elements/groups 12/10
Number of aspherical elements 3
Position of entrance pupil in front of the bayonet flange 63.2 mm
Working range 0.35 m to infinity
Smallest object field 120 × 180 mm
Largest reproduction ratio 1:5
Settings/functions Electronically controlled iris, setting with the camera setting dial, half- or one-third stop settings possible
Aperture setting range 2 – 22
Smallest aperture 22
Bayonet/sensor format Leica L-bayonet, full-frame 35 mm format
Filter thread E67
Dimensions and weight
Length to bayonet flange 102 mm
Largest diameter 73 mm
Weight 740 g