Pentax Optio 430RS  4MP Digital Camera w/ 3x Optical Zoom 4.0 megapixel sensor captures 2240 x 1680 images for prints at 11 x 14 inches and beyond 3x optical plus 2x digital (6x total) zoom lens with autofocus Built-in 11 MB memory; expandable via CompactFlash (Type I) cards Connects with Macs and PCs via USB port Uses rechargeable lithium-ion battery (included)