280mm f/2.8 APO-Telyt-R Module

• Leica Order No. - 11 846 / LLC - 199

• Era 1996-2009 / Serial Nos. -

• Lens mount - LEICA R-bayonet for LEICA R3 to LEICA R9 with mechanical, and, for LEICA R8/R9, additional electronic exposure control

• Number of lenses/groups - 8 / 7

• Focusing range - 2 m / 6.6 ft < ∞ can be focused beyond infinity, focusing does not have to be corrected for IR-photography

• Aperture - f/2.8 > f/22 - Preset diaphragm with clickstops (including half values), Fully automatic diaphragm

• Smallest object field/Largest reproduction ratio - 206 mm x 310 mm / 1:6.1

• Angle of view (diagonal, horizontal, vertical) - 8.8°, 7.4°, 4.9°

• Position of entrance pupil - 408 mm / 16.0 in (related to the first lens surface in light direction)

• Scales - Combined meter/feet graduation

• Filter mount/Lens hood - Series 6 filters in filter drawer / Built-in, telescopic, rubber-armored front edge

• Accessories - APO-EXTENDER-R 2x

• Viewfinder - Camera viewfinder

• Materials - optical glass

• Focal length - 280 mm / 11.0 in

• Length to bayonet flange - 276 mm / 10.9 in

• Largest diameter - 125 mm /4.9 in

• Weight - 3,740 g / 8.25 lb

• Inscription -