Thirty six megapixels. That's the native resolution of Nikon's long-awaited FX-format digital SLR. The D800 was designed with all professional photographers in mind, but with 36.3-megapixel captures (yes, that also means 36.3 megapixels in RAW, or 15.4 in DX format), the Japanese camera maker's latest DSLR output is likely to far exceed the needs of many. It also limits low-light shooting capabilities -- the D800 is a full-frame camera, but even so, with a standard sensor capturing 36.3 megapixels, its high-ISO performance is unlikely to match the likes of the
