Coupling Range Of Buitt·in Exposure Meter - Canon FTb Instructions Manual

Coupling Range of Built -in Exposure Meter
Film
Speed
ASA 25
ASA 50
ASA 100
ASA 200
ASA 400
ASA SOO
ASA 1600
Minimum
f/ stop
24
1
1/ 2
-
1/ 2 1/ 4
-
1/ 4 I/S
-
I/ S 1/ 15
-
1/ 15 1/ 30
-
1/ 30 1/ 60
-
1/ 60 1/ 125
f/22 f/22
1/ 4 1/ 8
-
-
I/ S 1/ 15
- -
1/ 15
1/ 30
- -
1/30
1/ 60
- -
1/ 60
1/ 125
- -
1/ 125 1/ 250
-
-
1/ 250 1/ 500
f/22 f/22
Sh utter Speed
1/ 15
1/ 30
1/ 60
1/ 125
1/ 250 1/ 500 1/ 1000
- - - - - -
- -
- -
- - - -
1/30 1/ 60
1/ 125 1/250
1/ 500 1/ 1000
...
- -
- -
- -
- -
- -
- - - -
1/ 60 1/ 125 1/ 250 1/ 500 1/ 1000
.. .
.. .
- - - -
- -
- - - -
- -
- -
1/ 125
1/250 1/ 500
1/ 1000
.. .
...
.. .
- -
- -- - - - - - - - - -
1/ 250
1/ 500
1/ 1000
.. .
...
.. .
.. .
- -
- -
- - - - - - - -
- -
1/ 500
1/ 1000
.. .
...
...
.. .
..
.
- -
- -
- -
- -
- -
- -
- -
1/ 1000
...
...
... .. .
...
..
.
f/22 f/22 f/22
f/22 f/16 fill f/ S
The built·in exposure meter couples to
the follOWing range of f/stops and shutter
speeds with respective film speeds.
When using the Canon Lens FD 50mm
F 1.4S.S.C. and ASA 100 film, for
example, the exposure meter couples
fully within the range of f/1.4 at 1/4sec .
lEV 3) and f/16 at 1/1000 sec. lEV 18).