mn d 
  
> — 2 2 2 — 
  
‘LINES PER M.M. ©:2 CONTRAST) 
  
  
=== WPA => £/H 
  
PAN F -f/5'e 
  
  
20 
  
T | 
FIG.7. RESOLVING POWER 
OF AVIOGON LENS ON 
FAST & SLOW FILMS. 
  
  
    
   
  
   
   
  
  
  
  
  
  
  
DEGREES OFF AXIS.