If you’ve used a diode laser engraver or cutter, you know that focus is critical ... 530nm to 750nm and is made to screw into a 72mm lens, but it works fine with your eyeballs, too.

The ZUH6000 from Fujifilm is unlike other ultra-short-throw projectors. It features a funky rotating lens for maximum ...

It’s been a couple of years since Hisense refreshed its Laser TV ultra short throw projector ... light engine will allow for a variable focus range of 100- to 150-inches diagonal.

Valerion’s VisionMaster Max can be upgraded with alternate lenses so you can install it ... It’s a 4K triple laser projector capable of producing 3,000 ISO lumens of brightness, according ...

Technically, the glasses have a distance sensor embedded into the front of the frame and continually adjust the focus of the lenses. An 8 gram, 110 mAh battery powers the prototype for roughly 6 ...