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TELE-TESSAR
FE 4/350
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
28 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
1.90 m
1.57 m
1: 4.0
22 x 22 cm
0 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
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Summary of Contents for Hasselblad TELE-TESSAR FE 4/350
- Page 1 TELE-TESSAR FE 4/350 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 28 mm in front of the film plane. (at infinite focus setting):...
- Page 2 TELE-TESSAR FE 4/350 DEPTH-OF-FIELD DATA Given distances are calculated for a blur circle diameter of 60 microns and do not include the effect of lens aberrations. For very critical photography and great enlargements this blur will be visible. For these situations we recommend a conservative use of the DOF data. In such situations the data given for an aper- ture two f-stops larger should be used (for example, if shooting at f/8, use DOF data for f/4).
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