LENSES
HASSELBLAD
HC 2.8/80
GENERAL LENS DATA:
Focal length
82.3 mm
2.8 - 32
Aperture range
Angle of view diag/hor/vert
Length/diameter
Weight
46°/38°/29°
70 mm/84 mm
475 g
Filter diameter
67 mm
CLOSE FOCUS RANGE DATA:
Minimum distance object to film
Maximum image scale
0.70 m
1:6.5
Corresponding area of coverage
Corresponding exposure reduction
36 x 27 cm
0.3 f-stop
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.
MTF
f/2.8
f/5.6
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
1/2
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