Model 636 Ambient Exposure This test measures
the energy on the film plane during an ambient
exposure. The Tester provides a constant 100
candles/square foot scene brightness.
NOTE: The following procedure assumes the Tester
is on and the camera is installed on the horn in
front of the Tester light source.
DETAILED TEST PROCEDURE SUMMARY
1. Turn the Selector Knob in the 1. Selector to Ambient 600. (No
middle of the panel to Ambient close-up lens setting.)
600. (Be certain the close-up
lens is not in position.)
2. With the photocell uncovered, 2. Cell uncovered, press S1 for
press S1 only to take an ambient exposure.
ambient exposure.
3. When the exposure is made, record 3. Record reading on Stops Error
the reading shown on the Stops meter. Compare to spec.
Error meter. Compare the reading
to the specification.
4. Repeat steps 2 & 3 two more times 4. Repeat 2 & 3 two more times.
to insure accurate readings.
5. If the reading is not in specifi- 5. If reading is out-of-spec,
cation, refer to the Adjustments see Adjustments.
section.
97
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