LENSES
XPan
HASSELBLAD 4/90
CLOSE FOCUS RANGE DATA: |
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Minimum distance object to film | 1.0 m |
Corresponding distance object to front lens | 0.9 m |
Maximum image scale | 1: 9 |
Corresponding area of coverage | 22 x 58 cm |
Corresponding exposure reduction | 0.3 |
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.
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| f/4 |
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| Modulation Transfer as a func- |
| 100 |
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| tion of image height at infinite |
| 80 |
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| focus setting. |
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| (%) | 60 |
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| Sagittal | slit orientation | drawn | MTF | 40 |
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| with continuous line and tan- |
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3024019/0610ID: |
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gential | with | dashed. | White |
| 20 |
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| light. Spatial | frequencies 10, |
| 0 |
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| 20 and 40 lp/mm |
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Document |
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| Image height (mm) |
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f/8
| 100 | |
| 80 | |
MTF (%) | 60 | |
40 | ||
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20
0
0 | 10 | 20 | 30 |
Image height (mm)
1/2
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