From squinting at newspapers, stitching intricate embroidery, painting tiny models and getting an in-depth look at leaves and insects, magnifying glasses have endless practical applications.

While this is easy if you have good eyesight and you’re young, a lot of us don’t have that luxury and instead must rely on magnifying glasses and loupes. [Mauro]’s project for the Hackaday ...

INTERCHANGEABLE LENS DESIGN: Switch between 5 optical lenses using a simple click and release system. Magnification power of the head magnifier: 1.0X, 1.5X, 2.0X, 2.5X, 3.5X. Scratch-resistant ...