Exposure, Exposure -39 – Nikon N4004s User Manual

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EXPOSURE

Exposure control consists of two parts—aperture control and

shutter speed control. The aperture works basically the same

way as the iris of the human eye and controls the amount of

light passing through the lens. The shutter, located in the

camera body, varies the amount of light admitted to the film by

opening and closing at different speeds. Together, these two

controls determine the amount of light that strikes the film,

resulting in exposure control.

Using the shutter speed and aperture dials of the N4004s, you

can select three different automatic exposure control modes
and one manual mode.