Table 5 The values are for the same lens-camera Table 7 Radial distortion in micrometers for 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
unit described in Table 3 and 4 except five sets of glass diapositives contact 
the camera's "second" film magazine was printed from film exposures of the 
used to make test exposures of the collimator banks. 
collimator banks, and from these exposures Wild RC10 ———— UAg/4 
contact glass diapositives were made for 
the evaluation of distortion and Set 1: Field Azimuth Angle 
calibrated focal length. ^ . . Angle Average 0° 90° 180° 270° 
FIELD| AVERAGE AZIMUTH ANGLES 7.5? 3 3 2 4 3 
ANGLE|DISTORTION|O A-C {90 A-D |180 B-D|270 B-C 15° 3 4 2 0 5 
22.5° 2 - 3 1 4 
7.50| -0.002 |-0.003}-0.002 |-0.001 |-0.001 30° 3 -1 5 2 4 
15.00] -0.003 |-0.003|-0.004 |-0.001 | 0.000 35e 1 1 4 =2 3 
22.75| -0.002 |-0.001|-0.001 |-0.003 |-0.002 40° -5 27 2 76 73 
30.00 0.001 0.002| 0.004 | 0.001 | 0.002 
35.00 04902 0:004 0:007 10.002 0.001 Set 2: Field Azimuth Angle 
40.00} 0.005 4(-0.010/-0- . 70.001 Angle Average 0° 90° 180° 270° 
CALIBRATED FOCAL LENGTH 153.374 mm 7.5* 3 3 2 3 4 | 
150 3 4 3 0 5 
22.59 2 «2 4 1 4 
30° 3 1 3 3 6 
35° 1 1 2 5.2 2 | 
40° -5 -6 -4 -5 -6 
Table 6 Contact glass diapositives mean lens 
distortion correction values for the Set 3: Field Azimuth Angle 
second magazine” at 1 mm intervals and = = Angle Average 0° 90° 180° 270° 
computer generated distortion curve. 
7.50 2 3 1 2 3 
: 15° 3 3 2 -1 7 
THE MEAN RADIAL DISTORTION CORRECTION VALUES AT 1 M^. INTERVALS 22.50 2 -2 5 0 4 
FROM TO 30° 3 -1 6 2 5 
1 10 Js 1. 1. l. 1. l. 2. 2. 2. 2. 35° 1 0 3 "3 4 
40° -5 -6 -4 | -5 5 
a 20 23 2. 3. 3e 3. 23 2» 2» 3. J. 
21 30 3. 3. 3. 3. 3. 3. 3. 3. 3. 3. 
3 od >. n°‘ a 3.9.  » 1:2, 3. Set 4: Field Azimuth Angle 
Angle Average 0° 90° 180° 270° 
41 50 3. 3. 3. 3. 3. 2. 2. 2. 2. 2. 
m 60 2 -£- 2 2e ze d 4 4A M 3. 7.5? 3 2 2 5 2 | 
61 10 I 4.2.1. 014. 0 09. O0. 0. D. +0. 15e 3 1 4 2° 2 | | 
71 80 — -0. =0. -0. -0. -1. -1. -1. =). -1. -1 22:5 i 0 2 = 3 | | 
* : : > 30° 2 0--- 3 2 4 UM 
81 90. -0)—-1. -d. P. #1. -. wpe cd. c. 35° 1 -2 1 0 3 | | 
$1 100  -1. -2. -2. -2. -2. -2. -2. -l -i. -1. 40° -4 -3 -3 -6 -5 [ 
101 110 e]. bh. d. c]. mle le -1. Al. fj. 9j. | 
111 120 -0. -0. -0. 0. 0. D. 1. le l. 1. Set 5: Field Azimuth Angle | 
121 130 2. 2. [2. 2. 3. 3. 3. 4&4 .4. Ar Angle Average 0° 90° 180° 270° | li 
7.50 2 2 1 2 3 
15° 3 4 3 0 6 | 
22.59 1 -1 5 1 3 | 
30° 3 -1 3 2 4 
35° 1 -2 3 -1 4 
o1STOKt on Ces 40° 5. 15 +4 +6 74 
10 
; Average of five sets: 
: Field Azimuth Angle 
N vet. .0n.0 sevens Angle Average 0° 90° 180° 270° 
mii e s 7.59 3 3 2 3 3 
X 4 15° 3 3 3 0 5 
: - 22.5* 2 = 4 0. 4 
as t. 30? 3 0 4 2 5 
: : 35° 1 0 3 -2 3 
i . 40° -5 -5 -4 =6 +5 
: s s. « se in 120 240 Calibrated Focal Length: 
=20e RADIAL DISTANCE (an) 
  
Set 1: 153.086 mm 
Set 2: 153.086 mm 
Set 3: 153.086 mm 
Set 4: 153.085 mm 
Set 5: 153.085 mm 
Avg. : 153.086 mm 
97