Your lens determines image sharpness, throw ratio, aspect ratio and maximum picture size. Fixed lenses are cheap and portable; zoom adds size flexibility; lens shift eases placement. Protect and clean ...

What is the best slide projector? Slide projectors have been around for well over a century, providing the opportunity to take images and display them on a bigger screen for clearer viewing.

[Bhautik Joshi’s] fisheye lens hack works well and looks OK too. It uses a door peephole from the hardware store as the fisheye and a slide projector lens to enlarge the image for proper sizing on the ...

If your projector is too low or high in relation to the screen, lens shift is a tool that can help. Video projectors offer a very different viewing experience than TVs, but that also comes with a few ...

Anthony is a Toronto-based communications specialist with degrees in history and journalism who loves to use his research and interview skills to inform and entertain. He has over a decade of ...

Slides make for great old-timey fun, but it’s awesome to have a digital backup of your old photos, too. An automatic digitizer can make quick work of your collection, and this build from [rbwood53] ...