Document Camera CCD and its resolution: The first most important factor to consider before buying a document camera is its CCD and its resolution. This determines quality of the image for the object to be displayed by document camera. CCD ranges from1CCD to 3CCD. High CCD Document Camera can be connected directly to your laptop and projector with a single cable for showing power point presentation and images.
Image Capture & Video Capture: Another important thing to see is that whether you can save the objects as pictures and record the movements as a video file. Most document cameras are provided with software along with SD card slot for image and movie capture.
Portability: Sometimes you might need to carry document camera to another location or moving from one class to another. Portable document cameras are build in such a way that you can carry them from one place to another.
Negative or Positive feature: You should also check whether you can see X-ray images, slides and objects in a positive mode or vice versa.
Internet Connectivity: Some Document Cameras are IP addressable making them suitable for video conferencing and distance learning. These can be controlled through the web server.
Microscopic Adapter: Some Document Cameras have adapters for seamless integration with microscope. Some have inbuilt microscope.
Accessories: Make sure that your document camera has necessary accessories such as a mounting component, power cables and carrying cases etc.
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