The digitizizer is based on a Kodak carousel slide projector. It’s fitted with LED strips instead of the original light source, which are used to illuminate the slides themselves.

He set to work and built a rapid slide digitizer using a projector, a DSLR, and a microcontroller. His system centers around an AVR microprocessor, the ATtiny2313.

Back then, the planetarium used slide projectors to help audiences understand astronomy. Then came projectors with clips from videotapes and video discs, plus 70 mm film and automated slide ...

Back in the 1980s, when I was doing a lot of what we'd now call multimedia installation art pieces, I used slide projectors for displaying images. I liked to mount black-and-white 35mm negatives ...

Stauffer, considered the inventor of autofocus for slide projectors and cameras, died last month in Boulder at age 85. Stauffer, who was born in New York in 1932, showed early interest in ...

Usually slide projector bulbs emit much less UV than a fluorescent. I use these things in my day job and they are simply quartz-tungsten halogen bulbs and they start (very weakly) around 350 nm or so.