Having problems with your Canon PowerShot A540 Digital Camera ?

Pictures come out very grainy

\015 The pictues used to come out very good, but then all of a sudden one day the pictures started coming out grainy. i dunno what it could be, cause its all the same no matter what option i choose (auto, portrait, program, landscape, etc...)please help\015

Answers :

Most likely, you've set the ISO value higher than necessary for most circumstances. You may have done this deliberately to catch some fast action, or you accidentally hit the ISO button without realizing it. If you reset to lower ISO settings, your graininess problem will probably disappear.

The faster the "film speed", whether you're using real film or a digital camera, the more grainy the pictures will be. ISO is the film speed. The ISO speed is set by pressing the ISO button (just above the "FUNC SET" button); it cycles thru AUTO, HI, 80,100, 200, 400, 800, 1600, then back to AUTO. If you've set the camera to AUTO on the control wheel opn the top of the camera, then you can only select ISO of AUTO or HI (which is slightly faster than AUTO).

The higher ISO settings are useful in low light conditions or to catch fast action, but those higher settings should not be used otherwise because of the increased graininess.

I hope this helps you.
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