Leica APO-SUMMICRON-SL 1:2/90 ASPH., Instructions Manual

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TECHNICAL DATA
High-speed, apochromatically corrected short telephoto lens with outstanding imaging performance
Compatible cameras All Leica cameras with Leica L bayonet mount
1
Angles of view
(diagonal, horizontal, vertical)
For Leica SL-System: approx. 27°, 23°, 15°,
for Leica TL-System: approx. 18°, 15°, 10° (corresponding to around
138 mm focal length in 35 mm format)
Optical design
Number of lenses/groups 11/9
Aspherical surfaces 1
Position of the entrance pupil
(when infinite) 23.1 mm
(in the direction of light incidence behind the bayonet mount)
Distance setting
Setting Either automatic (Autofocus) or manual, modes are set on the camera
Focusing range 0.6 m - ∞
Smallest object field / Biggest scale For Leica SL-System: approx. 120 x 180 mm / 1:5,
for Leica TL-System: approx. 79 x 118 mm / 1:5
Aperture
Setting / Function Electronically controlled aperture, setting on the camera, half or third
values can also be set
Lowest value 22
Bayonet fitting
Leica L bayonet mount with contact strip