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autofocus Dictionary Terms
autofocus system
A means of adjusting the sharpness of an image automatically, with a sensor for estimating distance or contrast and a drive mechanism to adjust the lens. Active systems generate a light source to which the sensor responds; passive systems rely on...
time of flight
(TOF) The length of time needed for a signal to arrive at and be reflected from the target. The basis of an active...
piezoelectric motion systems
Piezoelectric motion systems are mechanical systems that utilize piezoelectric materials to generate controlled motion or...
minimum object distance
Minimum object distance, often abbreviated as MOD, refers to the closest distance at which a camera lens or optical system...
digital camera
A digital camera is a device that captures and records still images or video in digital format. Unlike traditional film...
conjugate autofocus system
A system that determines whether an image is in or out of focus by means of a source of illumination at the conjugate focal...
triangulation
A method of measuring distance by recording a single scene from two points of perspective. Surveying instruments can be...
(7 results found)
April 2024
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