User manual
The
10"
Hawk
Eye
Aerial
Lens
fitted
to
t!te
camera
has
a fixed
aperture
of
f.4.5.
The
stand-
ard
aerial
mount
has
a
running
thread
and
set
screw
permitting
accurate
adjustment
at
infinity
focus.
As
a
protection
against
exposure
of
the
lens
to
fog,
mist
or
dirt,
often
resulting
in
impairment
of
the
photographic
record
or
against
fogging
of
the
plate
or
film
when
the
shutter
is
reset,
a safety
shutter
is
located
in
front
of
the
lens.
Pressure
upon
the
thumb
lever
release causes this safety
shutter
to
open
just
before
the
exposure is
made.
This
safety
shutter
may
be
readily
removed
to
per-
mit
refocusing
or
cleaning
of
the
front
element
of
the
lens.
Removal
of
the
screw cover
of
the
hand
hole F
permits
easy access
to
the
rear
element
of
the
lens.
A
direct
vision
tubular
finder D
having
intersecting
vertical
and
horizontal
wires, provides
for
proper
sighting
of
the
camera.
(The
finder
may
also
be
located
on
the
underside
of
the
instru-
ment
when
occasion
requires.)
The
4 x 5 Graflex
Plate
Magazine
Holder
with
a capacity
of
12 plates
or
Eastman
Cut
Film
loaded
in
metal
septums
is
used
with
the
instrument.