18mm f/3.8 ASPH Super-Elmar-M

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M-18f38-c.jpg

Code - 11 649

Production era - 2009-

Serial numbers - -4084669-4088813-

Angle of view diagonal, horizontal, vertical - For 35 mm: 100°, 90°, 67° / For LEICA M8 models (18 x 27 mm): 84°, 74°, 53°

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

Filter mount/Lens hood - Male thread, non-rotating and with stop for filter holder or 12463 lens hood. Accessory filter holder 14484 for E77 filters available / Separate, screw-on type, included in delivery

Accessories - Hood: 12484 or 12463; Filter holder: 14484; Viewfinder: 12022 or 12023.

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/Function - f/3.8-f/16 with click-stops, half values available, 9 blade manual diaphragm

Lowest value - 16 / Number of blades: 9

Length - 58 mm / 2.28 in

Largest diameter - 61 mm / 2.4 in

Weight - approx. 310 g / 10.93 oz

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