single-lens reflex (SLR) camera: front view

Still camera with an interchangeable lens that can be used for both viewing and shooting, hence the term "reflex".

remote control terminal

Device that is attached to the camera by a cable so that it can be operated from a distance.

focus mode selector

Button that allows the user to choose between an automatic or manual focus to ensure a clear image.

depth-of-field preview button

Button that closes the diaphragm so that the relative clarity of various depths can be seen through the viewfinder.

objective lens

Optical system made up of a set of lenses fixed on a mount; it allows a clear image to be produced on film.

lens release button

Button for removing the lens from the camera body.

camera body

Rigid sturdy box that contains the camera’s mechanism and shields the film from light.

shutter release button

Button that controls the exposure through control of the focal plane shutter opening.

self-timer indicator

Light that shows the self-timer is on to delay release of the shutter; this allows the photographer to be in the photo.

exposure mode

Button for choosing an automatic, semiautomatic or manual setting to control the amount of light that comes in contact with the film.

multiple exposure mode

Control button that blocks the film from advancing to create multiple exposures (several images superimposed on the same frame).

film speed

Control button that sets the film’s sensitivity to light as expressed by the ISO or ASA number; the higher the number, the more sensitive the film.

film advance mode

Control button used to advance the film in the camera body (frame by frame or continuously).

hot-shoe contact

Conduction unit that links the camera’s electronic circuitry to the accessory mounted on the accessory shoe.

accessory shoe

Device for attaching an accessory to the camera (usually an external flash).

command control dial

Dial used to adjust the various parameters of a mode.

on-off switch

Button for turning the device on or off.

exposure adjustment knob

Knob that can deliberately underexpose or overexpose a film when the camera is in automatic exposure mode.

control panel

Liquid crystal display that shows the camera’s various settings.

film rewind knob

Control knob for rewinding a totally or partially exposed film back into its cartridge.