Iv, other information, Basic photographic terms, Shutter speed – Canon EOS 500QD User Manual

Page 51: Aperture value

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IV, OTHER INFORMATION

The following section contains data designed to help you get the best
from you camera. It contains an explanation of the basic terms used in
photography, some tips on how to use the camera’s various functions
when taking pictures, and an introduction to some of the accessories
available.

Basic Photographic Terms

Shutter Speed

The shutter integrated in the camera body regulates the length of time that the film

is exposed to light. The length of time that the shutter remains open is called the

shutter speed. The camera displays the shutter speed on the LCD panel and in the

viewfinder, in' a range from 2000 (1/2000th of a second) to 30” (30 seconds), and

bulb.

Aperture Value

Integrated into the lens, the aperture is an

opening which can be widened and nar

rowed to regulate the amount of light

allowed to enter the camera. The size of the
opening is called the aperture value. The

camera displays the aperture value on the

LCD panel and in the viewfinder in a range

from 1.0 to 32, although this may vary

depending on the lens used.

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