Canon 600D Manuel de base - Page 3

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SET the ISO

ISO – refers to the brightness sensitivity of the camera, it's a bit like gain. The

higher the ISO number the less light you need for correct exposure, the lower

the ISO the more light you need.

The standard setting for the Cannon 600D is 400 ISO. If you go to 800 ISO it

requires half as much light for the same exposure – so the equivalent of

adding 3db's of gain. High ISO's (like gain) will result in more nose and grain

and as a rule try not to set the ISO higher then 1600. The camera will go up to

6400 ISO, but this should only be used in extreme circumstances in very low

light. On sunny days set the ISO to 100.

ISO is set by pushing the ISO button and scrolling the adjacent thumb wheel –

the screen on the back of the camera will show you what the ISO is set too.

Don't use 'Auto' ISO mode.