The Camera

 Pentaprism - A five-sided prism with two silvered surfaces giving a constant deviation of all rays of light through 90°, used chiefly in the viewfinders of single-lens reflex cameras.

SLR- Single Lens Reflex

DSLR- digital single-lens reflex camera

Diffraction-The process by which a beam of light or other system of waves is spread out as a result of passing through a narrow aperture or across an edge, typically accompanied by interference between the wave forms produced

Aperture- a device that controls amount of light admitted; a hole, gap, crack, slit, or other opening

Shutter- A device that opens and closes to expose the film in a camera

Exposure-The action of exposing a photographic film to light or other radiation

Depth Of Field- The distance between the nearest and the furthest objects that give an image judged to be in focus in a camera

F-stop- A camera setting corresponding to a particular f-number

Focal length-The distance between the center of a lens or curved mirror and its focus

Aperture/Exposure compensation/ erase button-

Viewfinder diopter adjustment- Viewfinder diopter adjustment allows video makers with glasses to shoot without them. The controls are usually a ring around the viewfinder tube, or a slider below it. To use a diopter adjustment, focus the lens on a distant scene, then adjust the diopter until the viewfinder image looks sharpest.

live view/ movie record-

AE Lock-This enables you to lock the current exposure reading and re-frame the shot using the same setting. A half-press of the shutter is normally required to activate this function, fully pressing only when you want to capture the image.

AF point selection-Auto and manual selection

quick control-speed and/or incline adjustments.

ISO-International Organization for Standardization

Menu-A list of commands or options, esp. one displayed on screen

Drive Mode- One of the functions related to the action of the camera when the shutter is release. It includes sequential shooting and AF sequential shooting.

white balance-The color balance on a digital camera

AF mode- Auto Focus Mode

Playback-The reproduction of previously recorded sounds or moving images

Display Button-

Speaker- electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance