[. . . ] [. . . ] (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 Modulation Transfer as a function of image height at infinite focus setting. Sagittal slit orientation drawn with continuous line and tanDocument ID: 3024019/0610
MTF (%) 100
f/4
100
f/8
80
80
MTF (%)
60 40
60 40
gential with dashed. Spatial frequencies 10, 20 and 40 lp/mm
20 0
20 0
0
10
20
30
0
10
20
30
Image height (mm)
Image height (mm)
1/2
www. hasselblad. com
LENSES LENSES
XPan HASSELBLAD 4/90
DEPTH-OF-FIELD DATA Given distances are calculated for a blur circle diameter of 33 microns and do not include the effect of lens aberrations.
Depth-of-field in meters
f/4 f/8 f/16 f/22
10 m 5m 3m 2m 1. 5 m 1. 2 m 1m
60 - 8. 5 - 12 4. 65 - 5. 4 2. 87 - 3. 15 1. 95 - 2. 06 1. 47 - 1. 53 1. 18 - 1. 22 0. 99 - 1. 01
30 - 7. 5 - 15 4. 3 - 5. 9 2. 75 - 3. 3 1. 9 - 2. 12 1. 44 - 1. 56 1. 17 - 1. 24 0. 98 - 1. 02
15 - 6 - 30 3. 8 - 7. 5 2. 55 - 3. 7 1. 8 - 2. 25 1. 39 - 1. 63 1. 13 - 1. 28 0. 96 - 1. 05
11 - 5 - 100 3. 5 - 9 2. 4 - 4 1. 75 - 2. 4 1. 35 - 1. 7 1. 11 - 1. 31 0. 94 - 1. 07
To convert meters into feet, multiply by 3. 281. To convert meters into inches, multiply by 39. 37
Document ID: 3024019/0610
1/2 2/2
www. hasselblad. com www. hasselblad. com [. . . ] [. . . ]