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.

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.

In a company announcement LirOptic CEO Forsyth said: “We are delighted to announce the unveiling of our adjustable solid-state lens technology, a first-of-its-kind solution which is poised to bring ...

Laser engraving and cutting has something in common with focusing the sun’s rays with a magnifying glass: good focus is critical to results. If materials of varying thicknesses are used ...

It requires gonioscopy, in which the clinician holds an exterior lens against the surface of the eye so as to direct the incident laser at an oblique angle towards ... with the DSLT technique a ...