Hasselblad Planar CFE 2.8/80 Specification Sheet

PLANAR
CFE 2.8/80
CLOSE FOCUS RANGE DATA:
Minimum distance object to film
Corresponding distance object to front lens
Maximum image scale
Corresponding area of coverage
Corresponding exposure reduction
ENTRANCE PUPIL POSITION
89 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 com-
bining individual images of a scene.
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
0.90 m
0.77 m
1: 9.1
50 x 50 cm
0.3 f-stop
f/2,8
100
80
60
40
20
0
0 10 20 30
Image height (mm)
100
80
60
40
20
0
40 0 10
Image height (mm)
LENSES
f/5,6
20 30 40
1/2
www.hasselblad.com