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Incident Light Measurement
8
1. Lumisphere
a. Mount Lumisphere
sensor
To
white dots of Lumisphere frame and light
sensor, then turn Lumisphere carefully
clockwise to secure.
b. Set film sensitivity knob
to sensitivity value of employed film. Set
ISO value to right
side ISO mark
Photo shows setting for ISO 100.
c. From position where subject is
to be measured, point Lumi-
sphere
in direction of
camera. (Light sensor
be turned freely.)
d. Hold meter erect and press
stopper button Meter