Minolta Auto Meter IV F User Manual

LIGHTING-RATIO
M EASU REM
ENTS
The lighting
ratio
of
a scene
is
the ratio
between the main
(key)
and fill lights.
By
adjusting the lighting ratio,you
can
control the
appearance
of
your
subject
or
the
brightness
range
of
your
scene.
The Auto
Meter lV F,
enables
you
to determine
this
ratio
and
to
see
the
difference, in
stops
on
the
analog
scale or
in +l-EY,
between
light
sources,
and
makes
adjusting
your
lighting
to
obtain a desired ratio remarkably
quick
and easy.
1. Attach the flat
diffuser
to the Auto Meter
lV F.
2.
Set
the
film
speed,
measuring
mode,
display units,
and,
if
you
are
reading in f/numbers,
the
shutter
speed
to
the
values
you
req
u
ire .
3.
Turn
on only
your
main light,
position
the
meter
near
your
main
subject,
point
the receptor
directly
at the
light,
and
take
a
reading.
4.
Press
the average
(A)
but-
ton.
1 1.4
2 2.8
TIME
r_n
nLl
*
l-.
,il0
4
5.6
8
11 162232456490
FNo'r,
n
-.
n.u
1
@I
5.
Turn on
your
fill light and
turn off
the
main
light.
6.
Again
position
the
meter
near
your
main subject
and
aim
the
receptor directly
at
the
fill light.
The
reading
will
be
stored
in
memory and
A will ap-
pear
in the display
window.
7. Press and
hold the
measur-
ing button.
The
meter
will
display
the difference
be-
tween
you
r main and
f ill
lights
in +/-EV.
Refer
to the
table
2 to determine
your
lighting
ratio.
11.422.845.68
TIME
11 16 2232 45 64 90
Ftn
*
lilo
EV
irii;.t!
8.
lf
necess ary, adjust
the brightness
and/or
distance
lights until
you
obtain
the
ratio
you
need.
of
the
39
38

Minolta Auto Meter IV F Specifications

General

Brand	Minolta
Model	Auto Meter IV F
Category	Measuring Instruments
Language	English