The Sony A900 is the top-of-the-line model in the Sony ? (alpha) DSLR lineup. As befits a flagship model, the A900 raises the bar in a number of areas. In addition to being the first ? DSLR to incor

In medium format digital photography, price and performance are usually at opposite ends of the digital spectrum. Normally you have to pay more a lot more for better quality, performance and features,