Section I. OPERATION UNDER USUAL CONDITIONS
3-2. Controls and Indicators
a. Lens and Shutter Assembly and Camera
The number of subjects to be photographed in a certain
length of time and the type of film (color or black-and-
white) to be used are the main determining factors in
selecting the proper mode of operation.
Actuates shutter release
a. Use of black-and-white film (type 107) requires
the use of the neutral density filter over the front lens of
Diaphragm control lever
Sets size of diaphragm
the lens and shutter assembly, and the mask over the
strobe assembly. Develop ment time of the film is
Shutter release lever
Opens and closes shutter.
affected by temperature; the chart below gives
Shutter speed control
Sets shutter speed.
Back cover latch
assembly to camera back
Control or indicator
30 to 40
45 to 55
Signifies readiness of strobe.
55 to 70
c. Model 700 Strobe Control and Indicator (Fig.
b. Use of color film (type 108) requires a longer
interval between exposures to allow time for the color
Control or indicator
film to be developed. Development time is affected by
temperature; the chart below gives approximate
development times at different temperatures.
Ac oper. during stor.
Charge in-unit batt.
Open flash switch
3-3. Preliminary Procedures
c. The proper mode of operation of the strobe
a. Assemble and interconnect-camera set (para
assemblies can be determined by considering the
b. Loosen the telescope clamp screw on the tripod
(1) During battery operation, the strobe
(fig. 1-3). Rotate the inner tube
so that the horizontal
assembly may be flashed approximately 80 times before
positioning bar is directly over the tripod leg that is
it is necessary to recharge the batteries; the minimum
nearest the leg hinge clamp screw.
time interval between flashes is 8 to 15 seconds.
telescope clamp screw.
c. Remove the lens cap from the lens and shutter
(2) During ac operation, the minimum time
assembly. Remove dust from the front lens assembly
interval between flashes is 25 seconds.
with a hand blower, and gently wipe the front lens
element with a clean lens tissue moistened with lens
(3) During ac operation, the strobe assembly
can be flashed as many times as (2) above will allow.
d. Operate the back cover latch toward the camera
assembly pivot point and open the back cover assembly
If an empty film pack remains
in the camera,
remove and discard it.
e. Remove dust from the rear lens element and
interior of the camera with a hand blower. Clean the
rollers with a cloth moistened with water.