Hasselblad manual Lenses, XPan HASSELBLAD 4/45, Close Focus Range Data

Models: 4/45

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LENSES

LENSES

XPan

HASSELBLAD 4/45

CLOSE FOCUS RANGE DATA:

 

Minimum distance object to film

0.70 m

Corresponding distance object to front lens

0.62 m

Maximum image scale

1: 13

Corresponding area of coverage

31 x 84 cm

Corresponding exposure reduction

0.2 f-stop

ENTRANCE PUPIL POSITION

56 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

 

 

 

 

 

 

f/4

 

 

 

 

 

 

 

 

 

 

 

Modulation Transfer as a func-

 

100

 

 

 

 

 

 

 

 

 

tion of image height at infinite

 

80

 

 

 

 

focus setting.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(%)

60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sagittal

slit orientation

drawn

MTF

40

 

 

 

 

with continuous line and tan-

 

 

 

 

 

 

 

 

3024015/0610

 

 

 

 

 

20 and 40 lp/mm

 

 

0

10

20

30

 

gential

with

dashed.

White

 

20

 

 

 

 

light. Spatial

frequencies 10,

 

0

 

 

 

ID:

 

 

 

 

 

 

Image height (mm)

 

Document

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

f/8

 

100

 

80

MTF (%)

60

40

 

20

0

0

10

20

30

Image height (mm)

1/2

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Hasselblad manual Lenses, XPan HASSELBLAD 4/45, Close Focus Range Data, Entrance Pupil Position