Table 7. 
  
  
  
  
  
  
  
  
ss FR RO CE) 
| Radius Standard error of unit Radial distortion 
LL en p c weight of the coordinate 
| Do | "in measurements 
| microns! microns 
| 
| LMC mC | LC LC 
dd 12.2 2.4 1.7 + 7.1 0 
| 9 24.4 98.5 2.8 + 88 + 9.9 
| 8 36.5 3.9 4.2 +80 + 8.1 
| 48.4 5.9 23 — 1.7 + 0.3 
le Bund. alo | dd id —248 —210 
  
experiment. The lens is of a rather simple construction and is evidently 
rather insensible for temperature variations. It would of course be of 
126 the greatest interest to test a camera with a more complicated lens un- 
tae der the same conditions. The technical procedure is well defined accord- 
  
   
  
ment ing to the experiments above. 
front 
were 4.2 Furthe che t 2.75 DA. ; s 
"urther tests of tvo aerial cameras 
)era- D : © s ; 
p vid l'wo aerial cameras R. C. 5 (Aviogon) and Eagle IX (Ross Wide- 
En Angle) were used for the purpose of collecting ex erience. Both the 
| free Sc, purp g exp 
om a 
n va- er 
were 10 " mm 
er. In 
+20— 
hoto- 
pera- +10— — IM 
A vio- au c 
— = 
— A 2 
T I T T T T m 
com- .10 20 30 40 N X 60 70 r'mm 
» for- 
-104 
image 
*mon- -20- 
h and 
ncipal -304 ° 
P radial distortion, temp. *40 C 
— n" " " - 3 E 
or the Ü C 
The Diagram 9. Radial distortion. Ross Xpress. ¢ = 126,56 mm. Temperature + 40°C. 
il 10 Diagram 10. Radial distortion. Ross Xpress. c — 126,36 mm. Temperature 
di _ 30°C. 
n this 
31