Focus stacking is a photographic technique in which multiple exposures are taken of a subject, with the focus distance set to different lengths. These images are then composited together to create a ...

Adjusting aperture alone can only do so much to get sharp images with a wide depth of field — sometimes, getting both point A and point B tack sharp in one shot is about as possible as a flying pig.

[Lost in Tech] set out to examine a variety of 3D printing nozzles. Before he got there, though, he found some issues. In particular, he found that his current crop of printers don’t take the standard ...