The DC-21 Document Camera from Epson makes it easy to display books, experiments and 3D objects, making classroom lessons more interactive and enjoyable. It features a large imaging sensor, ensuring high-quality, and clear images in any light. You can see the finest details with the 12x optical zoom and 10x digital zoom. With the included microscope adapter, microscopic events can be simultaneously shared with the entire class. The DC-21 also features 30 fps video at full resolution to display your lessons with smooth performance and minimal delay. And, there are convenient freeze and capture buttons. The built-in microphone makes classroom sessions more compelling. With the included software, you can upload and post what you've captured to popular websites.