Hasselblad TELE-TESSAR FE 4/350 Specification Sheet

LENSES

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Document ID: 3020559/0610

CLOSE FOCUS RANGE DATA:

Minimum distance object to film 1.90 m

Corresponding distance object to front lens 1.57 m

Maximum image scale 1: 4.0

Corresponding area of coverage 22 x 22 cm

Corresponding exposure reduction 0 f-stop

TELE-TESSAR
FE 4/350

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 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

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.

To convert meters into feet, multiply by 3.281. To convert meters into inches, multiply by 39.37

LENSES

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Document ID: 3020559/0610

Depth-of-field in meters

f/4 f/8 f/16 f/32

∞ 500 - ∞ 250 - ∞ 125 - ∞ 60 - ∞

60 m 54 - 68 49 - 78 40 - 110 30 - ∞

30 m 28.5 - 31.8 27 - 34 24 - 39 21 - 55

15 m 14.6 - 15.4 14.2 - 15.9 13.5 - 17 12.5 - 19

10 m 9.83 - 10.2 9.65 - 10.4 9.3 - 10.8 8.8 - 11.7

7 m 6.92 - 7.08 6.85 - 7.17 6.7 - 7.35 6.4 - 7.7

5 m 4.96 - 5.04 4.92 - 5.08 4.85 - 5.15 4.7 - 5.35

4 m 3.98 - 4.03 3.95 - 4.05 3.91 - 4.1 3.82 - 4.2

3 m 2.99 - 3.01 2.98 - 3.02 2.95 - 3.05 2.91 - 3.1

2.5 m 2.49 - 2.51 2.48 - 2.52 2.47 - 2.53 2.44 - 2.56

2.2 m 2.19 - 2.21 2.19 - 2.21 2.18 - 2.23 2.16 - 2.25

2 m 1.995 - 2.005 1.99 - 2.01 1.98 - 2.02 1.97 - 2.04

1.9 m 1.895 - 1.905 1.89 - 1.91 1.885 - 1.92 1.87 - 1.93

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).