For those with family members who grew up in the 1980s (or earlier), a slide projector was a pretty common way to share and show images before the internet was a thing. But these days, finding a way to get people to sit and view these images in a dark room with you is even harder than finding a functional projector. To covert his old 35mm slides to digital, photographer Scott Lawrence built a custom digitizing system based on a slide projector.