Document cameras are devices that capture an image in real time so that you can display that image to a large audience, such as conference attendees, meeting participants, or students in a classroom.These devices are also referred to as digital overheads, document cams, visualisers(in the UK), and visual presenters.Whatever their name though, they all do the same job. They operate a bit like a high-resolution web cam, where they magnify and project images of objects. They also can project transparencies, just like an opaque projector.
The best document cameras allow you to zoom in closely onto documents, books or small objects in order to display them on larger screens to students, colleagues or conference delegates. In that sense, they’re similar to the overhead projectors of old, although much more flexible. Most, for example, can also capture images or video. So whether you’re speaking for education or work purposes, they offer a great way to bring your subject to life (one reason they’re often referred to as ‘visualizers’. Plus, the best document cameras aren’t just useful when you’re in the classroom, meeting room or conference space. Typically, you can also connect them to conferencing tools like Zoom and Google Meet.
They can be used as a convenient document scanner, too, and they’re obviously a lot more portable than a traditional flatbed scanner. Some come with software that can sequence pages automatically, and the resolution is often good enough for emailing contracts.
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Post time: Feb-10-2023