Nikon announces the D7100 DSLR: $1,200, 24MP DX sensor, improved speed and focusing

Not eager to fork over two grand for Nikon's full-frame D600? You might take interest with the company's new D7100, a lightweight DSLR with a brand new DX-format (APS-C) sensor and a handful of other goodies to boot. The 24.1-megapixel cam's imaging technology follows a now-commonplace industry trend by dropping the optical low-pass filter in favor of enhanced resolution. Naturally, the D7000 successor includes a sensitivity range of ISO 100 to 25,600 (Hi 2), along with improved noise reduction ...