Leica 11649 dimensions Technical Data

LEICA SUPER-ELMAR-M 18 mm f/3.8 ASPH. 2

Engineering drawing

Technical Data

Angle of view (diagonal, horizontal, vertical) Optical design

Distance setting

For 35 mm: 100°, 90°, 67° / For LEICA M8 models (18 x 27 mm): 84°, 74°, 53°

Number of lenses/groups: 8 / 7

Focal length: 18.3 mm

Position of entrance pupil: 19.8 mm (related to the first lens surface in light direction)

Focusing range: 0.7 m to infinity

Scales: Combined meter/feet graduation

Smallest object field: 827 mm x 1241 mm (35 mm), 620 x 931 mm (LEICA M8 models)

Largest reproduction ratio: 1:34.6

Aperture

Bayonet Filter mount/Lens hood

Dimension and weight

Setting/Function: With click-stops, half values available, manual diaphragm

Lowest value: 16 / Number of blades: 9

Leica M quick-change bayonet with 6 bit lens identification bar code for digital M models Male thread, non-rotating and with stop for filter holder or lens hood.

Accessory filter holder for E77 filters available / Separate, screw-on type, included in delivery Length: 58 mm (2.28 in)

Largest diamater: 61 mm (2.4 in)

Weight: approx. 310 g (10.93 oz.)