Making a traditional glass lens requires a lot of experience ... Next time we’re shipwrecked on a desolate island with a handy supply of clear plastic tube and fresh water, we know we can ...

lens cleaning wipe stock illustrations Glass plate on transparent background. Acrylic or plexiglass... Glass plate on transparent background. Acrylic or plexiglass plates with gleams and light ...

wouldn't you rather it was a $20 filter than the front element of a $1,000 lens? Protective filters can serve other purposes too. Some are simply clear pieces of glass that have no other function, but ...

Sounds like a crazy idea to make your own eyeglasses, doesn’t it? Benjamin Franklin might have been bold enough to try, but most of us wouldn’t dare tackle such a precise craft. Yet, when it comes to ...

Photochromic Lenses change from clear indoors to dark outdoors. Photochromic lenses are glass lenses. This makes the lenses slightly heavier than the Transition Lens. These lenses do ...

If you're interested, you can head over to the Gunnar store and pick up a pair of Tahoe glasses with Mineral Glass lenses ...

Focusing light is important for getting clear images in our eye or in photographs, because images that are not focused appear blurred. A lens is a specially shaped pieces of glass or transparent ...