LENSES
TELE-APOTESSAR
CF 8/500
CLOSE FOCUS RANGE DATA:
Minimum distance object to film
Corresponding distance object to front lens
Maximum image scale
5 m
4.62 m
1: 9.2
Corresponding area of coverage
Corresponding exposure reduction
51 x 51 cm
0.2 f-stop
ENTRANCE PUPIL POSITION
102 mm behind 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
f/8
f/11
100
100
80
Modulation Transfer as a func-
tion of image height at infinite
80
focus setting.
60
60
Sagittal slit orientation drawn
40
40
with continuous line and tan-
gential with dashed. White
20
20
0
light. Spatial frequencies 10,
0
0
10
20
30
40
0
10
20
30
40
20 and 40 lp/mm
Image height (mm)
Image height (mm)
1/2
1/2
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