7 
4 
H 
3 
8 
3 
d 
  
Installed in pressurized cabin 
( with cover glass) 
rns isa ue nat i icu eene d E 
Duel ea a HM 0 4. 
Installed exposed to atmosphere (without cover glass) 
  
  
cover glass #¢ =; See 
  
  
  
lens temp. constant +7°C 
  
  
  
  
  
  
  
  
  
  
  
  
lens temp. dependent on external 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
cover glass thickness tab, 3 temp. 
flight 6km 14km 6km, 6km 14km 
height | ; 
N 
150 \+ SN 501 
\ 
ss, s 
Ë | LY 
A 700-4 W |100 1 
o | | 
o 
e | | | 
2 ; | | 
M | | 
S uu 504 50+ / 50! 1 
— I : 
.9 | | 
a 2l 9 | 
© | à 
iom GAP DL c aS c5 
x | 
\ : Y / 
150 N 150 N& 150 * 
| S 
e | c 
E ~ 
E, 100 1 1004 100; : + 
v | << 
e | ci 
s | | o 
M + il IE. 
= 50 1, 50 501 e 
: Il 3 
5 Ä £O 
s + ———— AS A 
-5 -5 -5 0 5 
| [ | | 
150— 150— 150—y 150 Oo 
| / x 
| | | KO 
€ \ | | 3 e 
970 100 100 100 u^ 
€ | | | | 
— | | | | = 
: | | | Fr E 
5 | | ; I o 
v 50 50 Ai 50 504 d 
© | | | Qu 
uc | | | O 
S | Es 
© E" 
o ze y -— e ; ————— 
-5 0 5 5 0 5 =5 0^ 5 -5 0 5 -5*40- 5 
  
distortion [uj 
  
  
  
—— effect of air pressure 
— effect of temperature 
— joint \effect 
  
  
  
(69