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SONNAR
CFE 4/180
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
94 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
1.55 m
1.33 m
1: 6.5
36 x 36 cm
0.6 f-stop
f/4
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/8
20
30
40
1/2
www.hasselblad.com
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Summary of Contents for Hasselblad CFE 4-180
- Page 1 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 Image height (mm) Image height (mm) www.hasselblad.com...
- Page 2 1.68 - 1.73 1.65 - 1.76 1.6 - 1.82 1.55 m 1.54 - 1.56 1.53 - 1.57 1.51 - 1.59 1.47 - 1.64 To convert meters into feet, multiply by 3.281. To convert meters into inches, multiply by 39.37 www.hasselblad.com...
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