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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
Aperture
Bayonet
Filter mount/Lens hood
Dimension and weight
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
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.)