400mm f/2.8 APO-Telyt-R Module
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- Leica Order No. - 11 847 / LLC - 199
- Era 1996-Current / Serial Nos. -
- Lens mount - LEICA R quick-change bayonet for LEICA R3 to LEICA R9 with mechanical, and, for LEICA R8/R9, additional electronic exposure control
- Number of lenses/groups - 10/8
- Focusing range - 3.7 m / 12.1 ft < ∞ can be focused beyond infinity, focusing does not have to be corrected for IR-photography
- Aperture - 2.8 > 22 - Preset diaphragm with clickstops (including half values), Fully automatic diaphragm
- Smallest object field/Largest reproduction ratio - 75 mm x 113 mm / 1:3.1
- Angle of view (diagonal, horizontal, vertical) - 6.2°, 5.2°, 3.4°
- 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 - 397 mm / 15.6 in
- Length to bayonet flange - 314 mm / 12.4 in
- Largest diameter - 125 mm /4.9 in
- Weight - 3,860 g / 8.5 lb
- Inscription -