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Terms starting with Z

6 terms

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Exposure & Metering

Zebra Stripes

A live-view overlay of diagonal stripes marking areas above a set brightness threshold, used to judge exposure before the shutter fires.

IRE or % Focus & Depth of Field

Zone AF

An area mode in which the camera selects automatically from a defined cluster of points rather than the whole frame.

 Focus & Depth of Field

Zone Focusing

Presetting a lens to a distance and aperture whose depth of field covers the range the subject will occupy, then shooting without focusing…

m Exposure & Metering

Zone System

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 zones (1 zone = 1 stop) Motion, Video & Creative Techniques

Zoom Burst

Changing focal length during an exposure so the scene appears to explode outward from the centre.

seconds Optics, Lenses & Filters

Zoom Lens

A lens whose focal length can be varied continuously across a range while holding focus.

Zoom ratio = f_max / f_min mm