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Hasselblad HC 2,8/80 User manual

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Specication subject to change without notice. www.hasselblad.com
1
DATASHEET
HCD 2,8/80
GENERAL LENS DATA
Focal length 82,3mm
Equivalent 35mm focal length
1
55,5mm
Aperture range 2,8 - 32
Angle of view diag/hor/vert 53,4 x 40 format 45°/36°/28°
Angle of view diag/hor/vert 44 x 33 format 37°/30°/23°
Length/diameter 70 mm/84 mm
Weight 475 g
Filter diameter 67 mm
1
Horizontal coverage between 53,4 x 40 and 36 x 24 compared
CLOSE FOCUS RANGE DATA
Minimum distance object to lm 0.70 m
Maximum image scale 1:6,5
Corresponding area of coverage 35 × 26 cm
Corresponding exposure reduction 0.3 f-stop
LENS DESIGN
6 elements in 6 groups
FOCUS TYPE
Full focusing
ENTRANCE PUPIL POSITION
79 mm in front of the lm plane
(at innite 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.
The 80mm is the standard lens for the H system. The high-
performance design ensures great colour correction, a at
image plane, and low distortion. The large aperture facilitates
photography in poor light and provides a bright viewnder
image. A lens suited for almost any task in general photography.
Specication subject to change without notice. www.hasselblad.com
2
DATASHEET
HCD 2,8/80
RELATIVE ILLUMINATION
Innity setting
When images are imported to Phocus, light
fall-off is automatically removed.
DISTORTION
Innity setting
When images are imported to Phocus, distortion is
automatically removed.
MTF
Modulation Transfer as a
function of image height at
innite focus setting.
Sagittal slit orientation drawn
with continuous line and
tangential with dashed. White
light. Spatial frequencies 10,
20 and 40 lp/mm
200903 - HC 80 - V4 EN
1
0
-1
-2
Distortion [%]
0 10 20 30
Image height [mm]
1.0
0.2
f/5,6
f/2,8
0.4
0.6
0.8
0
0 10 20 30
Image height [mm]
Relative Illumination
100
80
60
40
20
0
0 10 20 30
f/2,8 f/5,6
Image height [mm]
MTF [%]
100
80
60
40
20
0
0 10 20 30
Image height [mm]
MTF [%]
/