You're ready to step up from a point-and-shoot (or cell phone camera) to a big, old fashioned looking SLR. But what is that exactly? And how does it work? PM dissects one and gives advice and ...

They do make digital backs for Medium Format cameras, and I belive that they do for some 35mm, but it would cost you more than if you bought a good 2mp Digital camera-no interchangable lenses, or ...