Here’s an oldie but a goodie. [RunnerPack] stumbled upon an article from 2001 about building a stereo microscope from a pair of binoculars and a camera lens. With a ring light attached to the ...

As for cleaning your binoculars’ lenses, don’t make the mistake of breathing on and then rubbing the lenses with something like a microfiber cloth, lens wipe or—heaven forbid—your shirtsleeve.