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1.
Turn
the
film
speed
ring
on
the
controller's
aperture/reproduction
ratio
dial
until
the
film
speed
index
is
opposite
the
film
speed
2
Turn
lens
selector
knob
to
•
set
lens
index
.
With lens
in
reverse position
(55mm Micro·Nikkor or 20mm to
35mm Nikkor lens only):
With lens
in
normal position:
Set
lens index to the red "
RE-
VERSE
" position.
in
use.
Set
the lens index
on
the controller
to the focal length of the lens
in
use.
With lenses not listed
on
the scale,
use intermediate settings.
The two dots between the numbers
on
the film speed scale stand for
intermediate settings.
Full light output
1/4 light output
1/16
light output
3
Determine
proper
aperture
for
desired
•
reproduction
ratio.
Each of the aperture indicator lines are marked with
light output indexes.
The
light output indexes at the left
are for full light output, the center indexes for
1/4
light
output, and the right ones for
1/16
light output.
~----------------~
I See page 48 for determining aperture accord- \
\ ing to the shooting distance.
J
~----------------~
38
Follow the white line (tor lens
in
normal position) or red
line (for lens
in
reverse position) from the reproduction
ratio scale for the desired reproduction ratio until the
white or red line intersects the light output index
on
the
aperture indicator, then read the flstop indicated.
For example, with
ISO
100
film and the Micro-Nikkor
55mm
f/2.8 lens
in
normal position, to obtain 1:5
re-
production
ratiO
, use f/8 for
1/16
light output, f/16 for
1/4
light output or f/32 for full light output. For usable
aperture with a reproduction ratio lower than 1:
10
,
seA
page 40.