Shack–Hartmann sensor: An instrument that divides an incoming wavefront into multiple subapertures to analyse local tilts and reconstruct the overall phase.

A meta-lens array-based Shack-Hartmann wavefront sensor enhances phase measurement by increasing sampling density and angular resolution, advancing optical wavefront sensing with metasurface ...

Capture the cosmos with the best astronomy cameras for dedicated nebula or galaxy shots. Now is the time to watch for Amazon Prime Day deals on these cameras too!

The Meter Pro from SwitchBot is so easy to use, and will keep me updated on firework smoke, air hazards and more.