Vector; Histogram - Sony PXW-FS7 Quick Reference Manual

D. Preparing the camera and shooting
Vector: This is a vectorscope which is used to measure the
color levels and color hue of what is being shot. In most
cases it is not necessary to use the vectorscope.
Histogram: The histogram displays the exposure
brightness on a horizontal scale where black is at the
left and 109% (clipping point) is on the right. The vertical
height of the indicated level represents the amount of the
image that is exposed at that brightness.
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