Canon A-1 Repair Manual page 7

30 15 8 4 2
AE coupling Range for ASA Film
Speeds
with
f/l.4 Lens
F
NO.
la
II
•
5.6
4
2.8
2
1.4
112 114 1/8 III' 1130 1160 VI25 11250 II!:IOO 1/1000
m