Hasselblad Camera Lens 4 90 User Manual

LENSES  
XPan  
HASSELBLAD 4/90  
CLOSE FOCUS RANGE DATA:  
Minimum distance object to film  
Corresponding distance object to front lens  
Maximum image scale  
1.0 m  
0.9 m  
1: 9  
Corresponding area of coverage  
Corresponding exposure reduction  
22 x 58 cm  
0.3 f-stop  
ENTRANCE PUPIL POSITION  
58 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/8  
f/4  
100  
80  
100  
Modulation Transfer as a func-  
tion of image height at infinite  
80  
focus setting.  
60  
60  
Sagittal slit orientation drawn  
40  
40  
with continuous line and tan-  
gential with dashed. White  
20  
0
20  
light. Spatial frequencies 10,  
0
0
10  
20  
30  
0
10  
20  
30  
20 and 40 lp/mm  
Image height (mm)  
Image height (mm)  
1/2  
 

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