HASSELBLAD Carl Zeiss Tele-Tessar T* F 350mm F4Number of elements 8Number of groups 6 Max. aperture f/4Focal length 349.9 mmNegative size 55 x 55 mmAngular field* width 9.0°, height 9.0°               diagonal 13°Min. aperture 32Camera mount FEFilter connection M 96×1                  clip-on, diameter 100 mmFocusing range infinity to 1.9 mWorking distance (between mechanical front end of lens and subject) 1.6 mClose limit field size 420 mm x 420 mmMax. scale 1 : 4Entrance pupil*
Position 303.5 mm behind the first lens vertexDiameter 86.4 mm
Exit pupil*Position 49.4 mm in front of the last lens vertexDiameter 41.8 mmPosition of principal planes
H 75.7 mm in front of the first lens vertexH’ 231.5 mm in front of the last lens vertexBack focal distance 118.4 mmDistance between first and last lens vertex 212.7 mmWeight 2000 g