Question regarding ISO

[Aelfwyn]

What is ISO? I know that for moving objects you should have a higher ISO than for still objects or higher quality images, but what exactly does raising or lowering the ISO do?

Aelfwyn - the confuzzled newbie

 

[Arch]

Hi, this question has been asked several times before.... here's a link to one a few days ago

http://thephotoforum.com/forum/showthread.php?t=52830

 

[Aelfwyn]

*ahem* Sorry. :blushing: Thanks for the link!