meme SD a es ee — — À— — 
  
- 1o 
- 10.5 
0 
+105 
fe em et 
  
  
  
nfra filter at forward overlap of 65 %. 
indicated in %, of flying height, caused by the lens 
istortion of the unit Aviogon camera + i 
Fig. 7. The height correction, 
di 
  
17