LEICA | 4 |
SUPER |
Distortion |
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| Relative Distortion |
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5 [%] |
| RelativeVerzeichnung |
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4 |
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3 |
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2 |
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1 |
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0 |
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0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 |
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| Y'[mm] | |
Effective Distortion
EffektiveVerzeichnung
Y'[mm] |
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12 |
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9 |
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6 |
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3 |
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0 |
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0 | 3 | 6 | 9 | 12 | 15 | 18 |
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| X'[mm] |
Vignetting
Vignettierung
100[%] |
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80 | f/5.6 | |
f/2.8 | ||
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60 |
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40
20
0
0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 |
Y'[mm]
Distortion is the deviation of the real image height (in the picture) from the ideal image height. The relative distortion is the percentage deviation. The ideal image height results from the object height and the magnifica- tion. The image height of 21.6 mm is the radial distance between the edge and the middle of the image field for the 24 mm x 36 mm format. The graph of the effective distortion illustrates the appearance of straight horizon- tal and vertical lines in the picture.
Vignetting is a continous decrease of the illumination to- wards the edges of the image field. The graph shows the percentage lost of illumination over the image height. 100% means no vignetting.
