[Makers Mashup] shows in a video how to use an adjustable IR filter to cut out all the light ... to 750nm and is made to screw into a 72mm lens, but it works fine with your eyeballs, too.

In 2023, Optrontec successfully developed and mass-produced an 8-inch dual-junction glass wafer for a micro lens array (MLA), ...

I recently learned of a fun hack photographers can perform on the Sony DCS-F828 digital camera of the 2002 vintage. I happen ...