But with the proliferation of laptops and tablet computers, which many people already have, adding the special glass, and a simple frame to hold it in position, has made homemade teleprompters a reality. The result is that teleprompters tend to be quite expensive, with the special glass and commercial TV monitor making up most of the cost. What’s not so simple is making that special mirror glass: an extremely thin layer of aluminum is applied, atom by atom, in an expensive industrial process called thin-film sputtering. But is seems almost like magic when you can see the text so well, and the camera doesn’t see it at all! The secret is that it must be very dark on the camera side of the mirror, just like those dark observation rooms next to interrogation rooms with the mirror between them. It’s very distracting! I had earlier made a bracket to hold my webcam in the center of the screen, but that approach is not optimal, so I finally decided to build a proper teleprompter.Ī teleprompter is actually a very simple device: it uses a (so-called) one-way mirror to reflect scrolling text, while the camera shoots right through it. I was watching webcam videos (including some of mine) and became annoyed by people always looking at their monitor, and not at the camera. Dough Types, Procedures, and Properties. ![]() How to Become an Amateur Radio Operator. ![]()
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