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5
Size and focus the image: Turn the
locking lever
(10-c)
wise direction, to release the carriage.
While viewing the image on the ground
glass, turn the crank (d) to adjust the
height of the camera until the image on
the ground glass is about the required
size.
Adjust the focusing knob
the image is sharp. At this point, the
image may not be exactly the correct
size. Adjust the camera height again,
and refocus. You may have to repeat
this several times, until the image is
both exactly the right size and also in
focus. (See also Sizing and focusing.)
Finally, lock the carriage in position by
turning the locking lever in a clockwise
direction, without excessive force.
6
Center the subject on the baseboard
in the way you want to reproduce it:
Remember to use the ground glass
marking that is intended for the film
format you are using.
in a counter-clock-
(11-e)
until
7
Slide the camera head into the picture-
taking position: Depress the button and,
while holding it in, slide the head all the
way to the left
(12)
holder above the lens.
If using a Model 545 film holder,
pull out the envelope (13); with a
Model 550 film holder, pull out the
dark slide (14).
8
Set shutter speed and lens aperture
for correct exposure: Use the exposure
guide supplied with the lights. (See also
Guide to exposure control.)
To set the shutter speed, turn the sil-
ver ring to place the indicator
the desired speed. It will click into posi-
tion. Never set the indicator between
shutter speeds.
To set the lens aperture, turn the
lens ring to place the desired aperture
opposite the dot (g). The ring will click
into position. The lens may be set
between full aperture settings.
10
Make the exposure: Gently depress the
plunger on the cable release (16).
Operations 4
to place the film
(15-f)
at
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