This item is a tutorial for students of introductory optics on digital imaging. It discusses the anatomy of the digital camera, recent technological innovations, and tips for choosing an appropriate camera to meet the needs of an experimental laboratory. Also included are links to simulations on noise sources, image intensifiers, and operation of a charged coupled device (CCD). This item is part of a larger collection of materials on optics and microscopy developed by the National High Magnetic Field Laboratory and Florida State University.