Terms starting with Z
6 terms
Zebra Stripes
Exposure & Metering
IRE or %
A live-view overlay of diagonal stripes marking areas above a set brightness threshold, used to judge exposure before the shutter fires.
Zone AF
Focus & Depth of Field
An area mode in which the camera selects automatically from a defined cluster of points rather than the whole frame.
Zone Focusing
Focus & Depth of Field
m
Presetting a lens to a distance and aperture whose depth of field covers the range the subject will occupy, then shooting without focusing at all.
Zone System
Exposure & Metering
zones (1 zone = 1 stop)
Ansel Adams's method of dividing the tonal range into eleven zones and placing chosen subject tones deliberately on that scale.
Zone V = metered value
Zoom Burst
Motion, Video & Creative Techniques
seconds
Changing focal length during an exposure so the scene appears to explode outward from the centre.
Zoom Lens
Optics, Lenses & Filters
mm
A lens whose focal length can be varied continuously across a range while holding focus.
Zoom ratio = f_max / f_min