An addition to the already successful ZX line, the ZX-50 is the perfect camera for the beginning photographer. One of the smallest, lightest autofocus 35mm SLR cameras on the market, the ZX-50 is packed with many sophisticated features at a very affordable price. FEATURES INCLUDE: Five user-selectable Picture Modes, including Green Mode (for point-and-shoot simplicity), Portrait Mode, Landscape Mode, Close-up Mode or Action Program Mode, provide maximum flexibility without sacrificing ease of use. Auto-exposure multi-mode with built-inretractable TTL auto flash. Conventional aperture-preferred and shutter-preferred auto modes. The ZX-50 is truly compatible; the Pentax FA-, F- and A-series lenses are ideal partners for the ZX-50 as well as the AF500FTZ, AF330FTZ, AF220T and AF140C dedicated flash units. 2- CR2 3v lithium batteries or 4- AA's with optional Battery Pack FG.