This knob is located on the side of the microscope frame, usually below the stage, which allows the observer to move the objective lens up and down. It is used in conjunction with the fine focus knob.

Clips attach the slide to the stage.

The image of the specimen stays centered when moving to the next objective lens.

A smaller knob used to adjust the fine focus of a specimen in conjunction with the coarse adjustment knob.

An international standard for still picture data compression.

The ability of a camera to attain the correct focus on a subject, instead of requiring the operator to adjust focus manually.

A type of lens mount commonly found on movie cameras, television cameras, and trinocular microscope phototubes.

Portion of a video signal that carries hue and saturation color information.

A device that records video without videotape to a hard-drive -based digital storage medium. The term includes stand-alone set-top boxes and software for personal computers which enables video capture and playback to and from disk.

The amount of light reaching the imaging chip of a camera and is regulated by an internal iris or may be adjusted by using Applied Vision software.