Capture NX is a radically enhanced and redesigned version of Nikon's digital image editing software. It delivers powerful and dedicated tools for photographers who want to work with their raw digital images (NEF file). Until now only possible with extensive mastery of layers and masking techniques -- but with the creative advantages of U Point technology, you'll be able to subtly blend with other adjustments to provide a natural looking result. Capture NX will revolutionize the way photographers work with digital images. Choice of positive or negative application of selective tools for Brush, Lasso and Marquee (four kinds), Gradient and Fill/Remove Reinforced Color Management optios include Perceptual, Saturation, Relative Colorimetric and Absolute Colorimetric Inherits advanced functions like Color Aberration Control, D-Lighting, Image Dust Off, Vignette Control and Fisheye-to-Rectilinear Image Transformation Compatible with non-Nikon cameras Part of the Nikon Total Imaging System comprising cameras, lenses, Speedlights, film scanners, accessories and related software Operating Systems - Windows XP Home Edition, Windows XP Professional, Windows 2000 Professional; Mac OS X 10.3.9 or later System Requirements - CPU 1.0 GHz Pentium III/G4 or G5 processor or higher; 256MB RAM; 800 x 600 display; CD-ROM; Internet connection