Hasselblad Camera Lens CFE 28 80 User Manual

LENSES

PLANAR

CFE 2.8/80

CLOSE FOCUS RANGE DATA:

Minimum distance object to ﬁlm

Corresponding distance object to front lens

Maximum image scale

0.90 m

0.77 m

1: 9.1

Corresponding area of coverage

Corresponding exposure reduction

50 x 50 cm

0.3 f-stop

ENTRANCE PUPIL POSITION

89 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/2,8

f/5,6

100

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)

1/2