Hewlett Packard PhotoSmart C618 2MP Digital Camera w/ 3x Optical Zoom 2.1-megapixel sensor for prints up to 8 by 10 inches 3x optical plus 2x digital zoom Pentax autofocus lens Included 16 MB CompactFlash memory card holds 28 images at default resolution Connects with Macs and PCs via USB port Uses 4 AA batteries (disposable lithium batteries included); jointly designed with Pentax; uses Digita operating system