m Aviotar Nr Il8 + - 5 
  
  
  
  
  
  
  
  
  
+10 4 
" — um — — 
sr ss 
m ~ 
0 ; I ; ; Lo 
> 20 40 60 80 100 mm 
"SX o — 
-10 4 > - 
—— Radial distortion according to the y-parallax method 
mem n à à » Wild Co (145.52) 
"Ve. 
dr' 
microns . S 
l0 4 |/ 
77s *— -— de s. 
* rs -— T —A* 7 \ 
; x x JP SZ x / 
NS 20 x LZ de T 8 J. mm BA 
X ONT 5 = / x 
X >: -— x A ih. - A : : 
240 4 \ Nor ur A, The 4 individual radial distortion 
N / determinations according to the 
x A 
Ne Le" y-parollox method and the 
-20 ST average curve. 
| Fig. 3 
Standard error of the radial distortion 
/ =0.01 mm. 
mgr 
microns 
15 + 
10 + emm 
  
  
—— Standard error of four determinations of the. distortion 
—— Standard error of one determination of the distortion 
al