Hasselblad Camera Lens HC 28 80 User Manual

LENSES  
HASSELBLAD  
HC 2.8/80  
GENERAL LENS DATA:  
Focal length  
82.3 mm  
2.8 - 32  
Aperture range  
Angle of view diag/hor/vert  
Length/diameter  
Weight  
46°/38°/29°  
70 mm/84 mm  
475 g  
Filter diameter  
67 mm  
CLOSE FOCUS RANGE DATA:  
Minimum distance object to film  
Maximum image scale  
0.70 m  
1:6.5  
Corresponding area of coverage  
Corresponding exposure reduction  
36 x 27 cm  
0.3 f-stop  
LENS DESIGN  
6 elements in 6 groups  
FOCUS TYPE  
Full focusing  
ENTRANCE PUPIL POSITION  
79 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 combining individual  
images of a scene.  
MTF  
f/2.8  
f/5.6  
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  
1/2  
 

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