Leica Summarit-M 35 mm f/2.5 specs

Angle of view (diagonal, horizontal, vertical) - For 35 mm (24 x 36 mm) : 63°, 54°, 38°, for LEICA M8 (18 x 27 mm) : 50°, 42°, 29°, corresponds to a focal length of approx. 47 mm with 35 mm-format

Optical design:
Number of lenses/groups: 6 / 4
Focal length: 35.4 mm
Position of entrance pupil: 9.3 mm (related to the first lens surface in light direction)

Distance setting:
Focusing range: 0.8 to endless
Scales: Combined meter/feet graduation

Smallest object field/Largest reproduction ratio:
For 35 mm, approx. 490 x 735 mm /1:20.4
for LEICA M8, approx. 367 x 551 mm /1:20.4

Aperture:
Setting/Function: Preset, with click-stops, half values available
Lowest value: 16

Bayonet - Leica M quick-change bayonet with 6 bit lens identification bar code for digital M models

Filter mount/Lens hood - Non-rotating, internal thread for screw-on filters size E39, external thread with stop for lens hood protection ring for external thread included in delivery, lens hood available as accessory

Dimension and weight
Length: approx. 33.9 mm
Largest diameter: approx. 51.4 mm
Weight: approx. 220 g