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0Note 3:
In situations with direct or top lighting
(sun near zenith), the Lumisphere will
detect reflected light from the snow
surface. Some means of blocking the
light from below becomes required in this
case.
b. In some cases, good results can be obtained with reflected light measurement
under back light conditions, cloudy snow scenes where glare is less and snow
scenes under direct lighting. Install Lumigrid and point light sensor slightly
downward to block light from the sky, then from camera position, aim toward
subject
and measure. Be sure to set the
employ slides.
5. Scenes with Side or Back Lighting
mark at this time and do not