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A DV(L)-FAQ [e]

DVL-Digest 867 - Postings:
Index


what is the zebra?


what is the zebra? - "Perry"


The original zebra (on broadcast cameras) was set to Japanese skin tone
levels of 70% luminance. The idea was to expose so that the requisite part
of a face had the pattern showing. I always changed my zebra level to 100%
and exposed so that the brightest object that I wanted to keep out of the
clipper was set there. This would often be a white shirt (I did a lot of
corporates).
Modern broadcast cameras usually have two adjustable zebra patterns, so you
can have your cake and eat it! Consumer based cameras that feature a zebra
are often of a single fixed value and they need to be calibrated to be of
real use.
Perry Mitchell
Video Consultant
http://www.perrybits.co.uk




(diese posts stammen von der DV-L Mailingliste - THX to Adam Wilt and Perry Mitchell :-)


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