M(R') M(R') 
y -49,9 mm 
1.0: 
08+ 
0,6; 
0,4 + 
  
0,2+ 
  
  
  
  
  
20 40 60 80 R'inmm°! 20. 40 60 60 R'inmms“ 
   
  
  
  
  
M(R) : M(R') | 
y'=83 8mm y =110,8 mm 
1,04 1.0 
0,84 0,8: 
0.6. 0,64 
04 041 
021 021 se 
20 40 86 8S) 25 49.60. 40 
R'inmm^t- a R' in mm !— 
Fig.5: MTF-Curves of Lamegon PI 45/150 
Nr. 983-99 in the plane of best MTF on axis 
K= 56 — radial 
500 nm < À € 700 nm — — tangential