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BBC65 ?
Studio Camera Line-Up Test Chart
(with super black hole)
The BBC65 is designed to be used in
conjunction with the test chart BBC61A
Flesh Tone Reference when very close color
matching is required. BBC65 was developed
to fulfill the need for a simplified studio test
chart giving only the necessary information
for routine day-to-day camera line-up in
the shortest possible time. Black, white,
gray fields and black lines with different
frequencies are positioned on a gray
background.