Hello from Texas! So I've had an interest in photography for a while, but I haven't really looked into it all that much until just recently. I just got my first DSLR last Saturday after using compact digital "point and shoot" cameras for years. So now it's been one week since I officially started and I feel like I've made pretty good progress. I have a pretty good grasp on ISO, shutter speed, where to position flashes and I know my camera like the back of my own hand. But I have to confess, I can't seem to get a handle on aperture. I just don't see how it works. It seems like it's not very different than ISO. Both things (ISO and aperture) seem to control the contrast of the picture. Like when I use a large aperture, the picture looks really bright. When I use a small one, it looks really dark. I thought that ISO was supposed to take care of that stuff. Also, everywhere I look on the internet it says that shutter speed and aperture go hand-in-hand. How's that? So if anybody could straighten me out a little on ISO and aperture, that would be great. Thanks a lot!