Shutter Lag-
Is the delay between triggering the shutter and when the photograph is actually recorded.
Auto Focus-
Having the ability to focus automatically
Pixel-
The smallest element of an image that can be individually processed in a video display system.
Measure of a display system, defined as the ratio of the luminance of the brightest color (white) to that of the darkest color (black) that the system is capable of producing
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Aperture-
Also called aperture stop . Optics . an opening, usually circular, that limits the quantity of light that can enter an optical instrument.
Shutter-
Photography . a mechanical device for opening and closing the aperture of a camera lens to expose film or the like.
To subject, as to the action of something
The range of distances along the axis of an optical instrument, usually a camera lens, through which an object will produce a relatively distinct image.
Also called depth of focus. The setting of an adjustable lens aperture, as indicated by an f number.
The distance between an object lens and its corresponding focal plane in a telescope.
Also called focal distance.