Nikon Camera Control Pro 2 Software Upgrade for Nikon DSLR Cameras Take control of your photography-remotely. Compatible with all D-series SLR models, Nikon Camera Control Pro duplicates many of your camera functions right on your computer's screen. Works via USB or FireWire (depending on the camera) or wirelessly with the optional WT-2A (D2Hs, D2X, D2XS,) WT-3A (D200) and WT-4A (D3, D300) Wi-Fi adapters. Most settings of Nikon digital SLRs, that are connected via USB cable, such as exposure mode, shutter speed and aperture can be controlled remotely from a computer. Wired or wireless LAN is also available when using a wireless transmitter In addition to direct transfer of images from a camera to a computer, all procedures from shooting to saving images are smoothly processed.