Document ID: 3010304/0610
LENSES
www.hasselblad.com
1/2
CLOSE FOCUS RANGE DATA:
Minimum distance object to film 0.30 m
Corresponding distance object to front lens 0.21 m
Maximum image scale 1: 4.7
Corresponding area of coverage 26 x 26 cm
Corresponding exposure reduction 0.5 f-stop
BIOGON
CFi 4.5/38
100
80
60
40
20
0
0 10 20 30 4
0
Ima
g
e hei
g
ht
(
mm
)
f/4,5
MTF (%)
100
80
60
40
20
0
0 10 20 30 4
0
Ima
g
e hei
g
ht
(
mm
)
f/8
MTF (%)
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
ENTRANCE PUPIL POSITION
73 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.