400mm f/4 APO-Telyt-R Module: Difference between revisions

Revision as of 22:33, 28 December 2008

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

Focusing range - 2.15 m / 7 ft < ∞ can be focused beyond infinity, focusing does not have to be corrected for IR-photography

Aperture - 4 > 22 - Preset diaphragm with clickstops (including half values), Fully automatic diaphragm

Position of entrance pupil - 420 mm / 12.6 in (related to the first lens surface in light direction)

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

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+*'''Leica Order No.''' - 11 857 / '''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''' - 9/7
+*'''Focusing range''' - 2.15 m / 7 ft < ∞ can be focused beyond infinity, focusing does not have to be corrected for IR-photography
+*'''Aperture''' - 4 > 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''' - 420 mm / 12.6 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''' -
+*'''Viewfinder''' - Camera viewfinder
+*'''Materials''' -  optical glass
+*'''Focal length''' - 394 mm / 15.5 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''' -