Hasselblad HC 2.8/80 - Manual

LENSES
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Document ID: 3023080 0412V1
GENERAL LENS DATA:
Focal length 82.3 mm
Aperture range 2.8 - 32
Angle of view diag/hor/vert 46°/38°/29°
Length/diameter 70 mm/84 mm
Weight 475 g
Filter diameter 67 mm
HASSELBLAD
HC 2.8/80
MTF
Modulation Transfer as a func-
tion of image height at infinite
focus setting.
Sagittal slit orientation drawn
with continuous line and tan-
gential with dashed. White
light. Spatial frequencies 10,
20 and 40 lp/mm
CLOSE FOCUS RANGE DATA:
Minimum distance object to film 0.70 m
Maximum image scale 1:6.5
Corresponding area of coverage 36 x 27 cm
Corresponding exposure reduction 0.3 f-stop
f/2.8 f/5.6
LENS DESIGN
6 elements in 6 groups
FOCUS TYPE
Full focusing
ENTRANCE PUPIL POSITION
79 mm in front of the film plane
(at infinite focus setting)
The entrance pupil position is the correct
position of the axis of rotation when making
a panorama image by combining individual
images of a scene.