Meet the EPSON DC-21: a HD document camera that lets you capture and display books and 3D objects. It has a large imaging sensors, 12x optical zooming, and HDMI connectivity. Thanks to the built-in microphone, you can record audio with your video (at 30 fps).
More gadgets like this: here
This document camera comes with a microscope adapter. It supports SD cards too. More information is available here.
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