Description: Easy to use and easy on the pocket, the PENTAX Optio S45 offers compact digital at a reasonable price. Featuring 4.0 megapixels, a 3X zoom and a large 2.5 inch LCD monitor that simplifies composition and playback, the Optio S45 suits every user. Enjoy PhotoShow Express software with you PENTAX Optio S45. Developed by Simple Star, PhotoShow is the fun and easy-to-use software program that enables users to easily manage, search, edit and share their digital photos as musical slide shows.