50mm f/2.8 Elmar-M

• Leica Order No. - 11 831 - 11 823 / LLC - 115

• Era - 1994-2007

• Variants Black Serial Nos. - / Chrome Serial Nos. - / Digital coding after serial no. -

• Lens mount - Leica M quick-change bayonet

• Number of lenses/groups - 3/4

• Focusing range - 0.7 m / 2.3 ft < ∞

• Aperture - 2.8 > 16 - Setting/Function Preset, with click-stops, half values from f/2.8 - f/8, manual diaphragm

• Smallest object field/Largest reproduction ratio - 274 mm x 411 mm / 1:11.4

• Angle of view (diagonal, horizontal, vertical) - 47°, 40°, 27°

• Position of entrance pupil - 17.1 mm (related to the first lens surface in light direction)

• Scales - Combined meter/feet graduation

• Filter mount/Lens hood - Internal thread for screw-in filters size E39 / separate, clip-on type, lockable

• Accessories - Lens hood 12550 Black / Lens hood 12549 Silver

• Materials - Black anodized aluminum or silver lacquered brass

• Focal length - 51.7 mm / 2 in

• Length to bayonet flange - 21.6 < 37.6 mm / 0.8" < 1.5 in

• Largest diameter - 52 mm / 2.1 in

• Weight - approx. 170 g / 6 oz anodized, 245 g / 8.6 oz silver lacquer

• Inscription - LEICA ELMAR-M 1:2.8/50 E39 (Serial No.)

• On the street - $US 1,095.00 in 2008