If you are just making a few movies to present to your students from the same high end computer, Apple Video compression will play back adequately. Cost of this option depends on Apple planning and supplies. It is being sold for persons who want to use it as the visual link in computer to computer communication. The camera is a digital camera that records directly to the computer. It replaces for the camera and digitizing board.
Frame rates are very low.
Return to beginning of Movies Quality Larger compression ratios result in blocky images, faster play back, and less storage space. Select the best quality that is practical for your computers. Changing from one compression mode to another frequently introduces moire patterns which can be awful in some situations. When digitizing you must continually check the quality after compression. Artifacts are sometimes introduced by the compression.