Canon Powershot SX40 HS Tutorial: Step Thirty Two - CHDK to override ISO for night shots

A way to get more light into your long exposure shots. It's a good idea to override shutter speed to avoid noise/grain it's still worth a try! Check out the Blog, Facebook Page, Flickr Page and Website to chat, share pictures and ask questions with the SX40 community! All links can be found on my channel.