Canon FTb - Exposure Meter Coupling Range

Coupling
Range
of
Built-in Exposure
Meter
,l;il,
I
ASA
25
ASA
50
ASA
IOO
ASA 2OO
ASA 4OO
ASA 8OO
Shtrtter
Speed
il
I
r/z
t/4
l8
1,'15
|
/30
Ir2
r/4
r/8
lr l5
l,i
30
r/60
I
/r25
r/4
r/8
r/rs
Li
ri
I
ir25
t/8
r/15
r/30
r/60
t
/Lzs
L
/2s0
l/s00
1/s00
r/sl
L/r0l
The
built-in exposure
meter
couples
to
the
following
range of f/stops
and shutter
speeds
with
respective f
ilm speeds.
When
using
the Cbnon
Lens
FD
Somm
F
L.4 and
ASA
lOO
film,
for
example,
the
exposure
meter couples
fully
within
the
range of t/L.4
at
1/4sec.
(EV
3l
and
t|16
at
1/1OOOsec.
(EV18l.
L/2
I
I
Minimum
f,,Stop