Similar to ELMO camera/readers. The AVerVision PL50 Platform Document Camera (NTSC) features a 5 Mp sensor and offers Full HD 1080p output via HDMI, which provide large audiences with clear, vivid imaging, while the robust 16x optical zoom and 240x total zoom ensure that no detail goes unexamined. What’s more, with the large embedded light box (329 x 265 mm), presenters can display A4-sized X-rays or rows of film slides and negatives to large audiences with ease. This document camera comes fully equipped with advanced visualizer features. With one-touch recording, presenters can immediately capture smooth 30 fps video from the visualizer (document camera) on to a USB flash drive or an SDHC card (both sold separately) with the touch of a button. With onboard annotation, users can make digital notations on visualizer images with only a USB mouse or AVer’s AP20 interactive pen (both sold separately).