U.M. 1
Table Of Contents
Range
of
light
measurement
The
exposure
meter
of
the
Spotmatic
measures
the
brightness
of
the
ground
glass. Therefore,
the
meter
should
be
turned
on
after
you
have
focused
your
subject
on
the
ground
glass.
The
following
table
shows
the
range
of
the
meter's
light
measurement,
and
should
not
be
interpreted
as
the
camera's
total
range
of
f/
stop-shutter
speed combinations. As
you
will
note
from
the
table
below,
with
an
ASAI00
film,
you
may
use
any
shutter
speed from 1 sec.
to
1/ 1000
sec.
in
combination
with
any
aper-
~
B 1
1
_ 1_
_1 _
""2 4 8
ture
that
will
bring
the
meter
needle
to
the
midpoint
in
the
viewfinder.
The
total
range
of
the
aperture
set-
tings
is,
of
course,
determined
by
the
minimum
and
maximum
aper-
tures
of
the
lens being used.
For
ex-
ample,
with
the
50mm
f/1.4
lens
and
ASAl00
film,
an
aperture
from
f/1.4
(the
maximum
aperture
ofthis
lens)
tof
/ 16
(the
minimum
aperture)
may
be
used
with
any
shutter
speed from
1 sec.
to
1/ 1000 sec.
that
will
bring
the
meter
needle
to
midpoint
.
_I_
I
_
I_
I
1
1 1
15
30
60
125
250
500
1000
20
"""""
•
(2S)
32
(40)
• (SO)
.",.
'I
iii
~
Aill!;
."
64
i!ii"
(80)
•
100
1,
8
(12S)
(160)
i
Ai!
·il
,
,."
200
""},
•
(2S0)
(320)
400
• (SOO)
,.,
(640)
@ I
d@
,
.. , "
800
(1000)
(12S~
")
16
00
!E
The
area A Indicates the reading range of the meter,
The
area
B indicates that although the
shutter speed
index
is black
and
the meter
need
I.
moves.
tbe
meter
is
NOT
operating property,
When
Ih
e meier needle is
ce
nl
ered wilh
Ih
e s
hull
er sp
ee
d d,al sel al
Bu
si
ng
ASA
20-50
f i
lm
s. Ihis
indical
es
Ihallh
e exacl s
hull
er sp
ee
d required is 2
se
conds.
Pl
ease expose your piclure
for
2 second
s.
15