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  3. Camera Lens CFE 4/120

Hasselblad Camera Lens CFE 4/120, CFE 4/120 User manual

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Document ID: 3020056/0610
LENSES
www.hasselblad.com
1/2
CLOSE FOCUS RANGE DATA:
Minimum distance object to film 0.80 m
Corresponding distance object to front lens 0.62 m
Maximum image scale 1: 4.5
Corresponding area of coverage 25 x 25 cm
Corresponding exposure reduction 0.5 f-stop
MAKRO-PLANAR
CFE 4/120
100
80
60
40
20
0
0 10 20 30 4
0
Image height (mm)
f/4
MTF (%)
100
80
60
40
20
0
0 10 20 30 4
0
Image height (mm)
f/8
MTF (%)
MTF
Modulation Transfer as a func-
tion of image height at image
scale 1:5.
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
124 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.
Document ID: 3020056/0610
LENSES
www.hasselblad.com
2/2
LENSES
www.hasselblad.com
2/2
Depth-of-field in meters
f/4 f/8 f/16 f/32
∞ 60 - ∞ 30 - ∞ 15 - ∞ 8 - ∞
20 m 15 - 30 12 - 60 9 - ∞ 5 -∞
10 m 8.5 - 12 7.5 - 15 6 - 30 4 - ∞
5 m 4.65 - 5.4 4.4 - 5.9 3.9 - 7 3 - 13
3 m 2.88 - 3.13 2.75 - 3.3 2.6 - 3.6 2.3 - 4.5
2 m 1.95 - 2.05 1.9 - 2.11 1.8 - 2.25 1.7 - 2.5
1.5 m 1.48 - 1.52 1.45 - 1.55 1.4 - 1.61 1.32 - 1.75
1.2 m 1.19 - 1.22 1.17 - 1.23 1.14 - 1.26 1.09 - 1.35
1 m 0.991 - 1.01 0.982 - 1.02 0.965 - 1.04 0.93 - 1.08
0.9 m 0.893 - 0.907 0.887 - 0.915 0.875 - 0.93 0.85- 0.96
0.8 m 0.795 - 0.805 0.79 - 0.81 0.78 - 0.82 0.765 - 0.84
MAKRO-PLANAR
CFE 4/120
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).
To convert meters into feet, multiply by 3.281. To convert meters into inches, multiply by 39.37
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