Apple 578, 575, 577, 560, 550, 500 manual

Adjustments	Light Meter Setup - 22
	from the lens.
	Three scales are shown on
	the light meter:
	• 200-1000 fc
	• 50-250 fc
	• 10-50 fc
	Because display screen
	luminance typically ranges
	from 10 to 50 fc, take
	readings from the bottom
	scale only.