shutter- Photography 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.
ground glass-glass with a smooth ground surface that renders it nontransparent while retaining its translucency.
still camera-A still camera is a type of camera used to take photographs. Traditional cameras capture light onto photographic film. Digital cameras use electronics, usually acharge coupled device (CCD) to store digital images in computer memory inside the camera. The digital image can be transferred to a computer for later processing.
darkroom-a room from which normal light is excluded, used for developing photographs.
scale focusScale focus, or zone focus, is a type of focusing system used by many inexpensivecameras from the 1940s and 1950s. These cameras have an adjustable focus, but lack a focusing aid such as a rangefinder. It is necessary to determine the distance to the subject and set the focus using a scale printed on the lens. If you are good at estimating distances, or have a tape measure at hand, you can get precise measurements
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