examples to provide full control over movie scenes. It would not be erroneous to also apply
these to still photos.
Stage 1
Determine overall lighting strength.
a. Set meter to ISO 100 (see film
sensitivity intermediate values).
b. Set 24 red line of cine speed
scale to F/5.6.
c. At this time,
lower than 640 (footcandles). If this is taken as the meter scale position, a value of
500 footcandles (lower than 640 footcandles) becomes the required lighting strength
(see meter intermediate scale values).
mark indication on dial scale becomes slightly
Stage 2
Key light setting
a. Turn on key light (main light) and determine direction required for subject illumination.
b.
Without installing slide, hold meter at the subject position, point Lumisphere toward
camera and set stopper button to released
position.
c. Adjust main light intensity or distance until meter indicates 400. The indication can
then be increased to the required 500 footcandles (determined in Stage 1c) by
applying fill in light.
Stage 3
Adjust illumination contrast
a. Install Lumidisc in place of Lumisphere.
b. Measure key light (indication should be 400 footcandles).
c. Turn on fill in light.
d. As described in section on outdoors Illumination Contrast
Adjustment, adjust fill in light to obtain suitable illumination
contrast. (For a contrast ratio of 2 : 1, the fill in light indication
must be 200 footcandles.) Lighting from back affects contrast
only slightly.
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