L TEN R P 7 oo S 3 " TT NN ys rg 7 NET m A: TU EE RD Mui rin NOn Sog nah CA (NNI reno 
SEE airo mum ERENTO VESPA MN dou VITRO UN RA OU DES 
eh 
     
   
   
     
  
  
  
Î 
Je 
RP L /mm | ; 
20 + RAD.PS. RP TAN.PS.RP 
| « 
Ÿ 
1 ; 
e-— RP OF RADIAL BARS | 
— RP OF TANGENTIAL BARS 
150 + \ 
q a) ) \ 
| \ 
\ RAD. PS, RP Il 
4 \ A 
WE seer Ond [] 
\ / 
SHUT 7 
\ G 
\ 
T d | 
| : d'A TAN.PS, RP II 
| 2 
| 
| on 2 
8 2 TAN.PS. RP 1 
x 4 rt 
t 
| } 22g grt Rt Rt 
4 ui / 
1 8 r 4" Y a J 
sl. 2 À qu hep > 
(4 I * 
q 20 40 : 60 BO 100 118 132 14! Rmm 
Fig.2 Resolving power determinations for the Zeiss 
RMK camera with the Pleogon-5.6/153 lens no. 
98222 
- continuous and dashed lines: Helsinki gonio- 
meter [4] 
-R;and T: U.S. Geological Survey calibrator, 
using spectroscopic plates [12] 
- r and t: U.S. Geological Survey calibrator, 
using Double-X film [12] 
- 2: From 1:26000 aerial photographs on 
Double-X film of a rural area [7] 
- 4: From 1:4000 aerial photographs on 
Double-X film of a multi-bar target [4] 
- 8: From 1:8000 aerial photographs on 
Double-X film of a multi-bar target [4] 
Fen