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È 
j 
d 
id 
8 
100 ) 
80 EL CER 
FORT | 
sa R10°T 
N10°R 
| d [x iewr Ù N NUT. | 
40 20i 
N22 
20°R 
x 20 N 
c A 
© 35°T 
+ 10 re pe Ll 
ag 
m 
30) 
$25 E 
25 
1 
5 10° 20 50 0 20 40760 80100 200 400 
Spatial Frequency [Lines / mm] m 
FIGURE 3 - MODULATION TRANSFER FUNCTION OF WIDE ANGLE CAMERA NO. 189 DETERMINED BY 3 
ROSENBRUCH (1976). SEPARATE CURVES ARE SHOWN FOR DIFFERENT INCLINATIONS 
OF THE INCIDENT RAY, FOR RADIAL (R) AND TENGENTIAL (T) ORIENTATIONS OF 
THE TEST TARGETS. 
100 = 
¥ = 
60 S x. 
40 
\ 
20 
x 
S 208 20°T 
510 
S | | 
= 
9 ; 
3 5 OR] 
35°R 
2:5 \ I 
35° 7 
4 
1 (a 
5 10. 20-50 10 20 40 60 80100 200 400 
Spatial Frequency [Lines / mm] 
FIGURE 4 - MODULATION TRANSFER FUNCTIONS DERIVED FOR THE OVERALL SYSTEM USING WIDE ANGLE 
CAMERA NO. 188.