I think I've used all the Focus range plus a couple of other 'DTE' systems.
Unless you need fast turnaround of footage, these units may even be a bit more of a pain to use in practical situations.
Either you run outta juice half-way thru a shoot before your camera does, or that the DTE freezes halfway thru a capture and end up needing to pick up the tapes to capture the stragglers, or you'll find yourself frustrated with so many added things mounted or attached to your camera.
More often than not, in a non-time critical production, I've done away with the DTE and stick to good old tape during the acquisition stage, then spend a couple of relaxing/brainless hours to let the tapes be captured, or watch thru and mentally log the footage in preparation for the post production. This will teach your students how to save time by doing proper pre-production planning and reduce their shooting ratio to save time in post.
Of course for academic use, practicality may often be secondary when it comes to spending for new toys to let students learn and use the new technology. Unfortunately, I do not have this luxury of spending other people's money, but I had my fair share of investing my own funds to buy and learn about the pros & cons of DTE systems.
There is no doubt that in a time-critical production that require fast turnaround of footage for post work, the DTE systems are excellent solution for a current tape-based camera, but if budget allows, just propose to change to a tapeless camera system. :thumbsup: