a lot of us don’t have that luxury and instead must rely on magnifying glasses and loupes. [Mauro]’s project for the Hackaday Prize makes wearing these loupes and lenses even easier by adding ...

The Fresnel lighthouse lens used a large lamp at the focal plane as its light source. It also contained a central panel of magnifying glasses surrounded above and below by concentric rings of ...

USEFUL TOOLS FOR STEM LEARNING: The Get Out! Magnifying Glass Kids Set is a 6-pack set of large-sized glass magnifier for kids; Each handheld magnifying glass allows young scientists hands-on ...

Since a lens is merely focusing light, and no energy is being added ... While a fun thought, it will never be possible to use a magnifying glass and the Moon to burn your big pile of suspicious ...

The findings were recently published in the journal Results in Optics. The scientists discovered that by coating a regular ...

Natural Crystal Stone Lenses: Crystal Stone hardness reaches 7 levels, more sturdy than ordinary lenses. The lenses are scratch resistant and have high light transmission. Good thermal ...

On the other end of the scale, there are ornamental magnifying glasses, designed for light use ... Weighing just 90g, there are two zoom lenses - 30x and 60x along with LED lights to illuminate ...

The magnifier uses a variety of components [Ad_w00000] had lying around. For the optical side of things, an old Canon DSLR zoom lens was pressed into service as the main magnifying element.