is a compound lens which has its entrance or exit pupil at infinity. This means that the chief rays (oblique rays which pass through the center of the aperture stop) are parallel to the optical axis i [..]

Automatic Gain Control: automatically adapting the sensitivity of the sensor to the overall brightness of the image scene.

The aperture of an optical system (lens) is the opening that determines the cone angle of a bundle of rays that come to a focus in the image plane.

Application Programming Interface.

An aspherical lens is a lens, usually glass, which is used on a camcorder or SLR camera. Aspherical lenses are typically lighter weight than traditional lenses and do not conform to the typical sphere [..]

A light source which illuminates the object from the bottom side. Advantage of backlight can be found on a higher contrast of the the object edges.

Bayer filter mosaic is a color filter array (CFA) for arranging RGB color filters on a square grid of photosensors. Its particular arrangement of color filters is used in most single-chip digital imag [..]

Charge Coupled Device - a light sensitive chip used to record the image.

Closed Circuit Television is the use of video cameras to transmit a signal to a specific place, on a limited set of monitors.