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Listed under:  Science  >  Scientific inquiry  >  Instrumentation (Technology)  >  Scientific instruments  >  Optical instruments  >  Lenses
Video

Lens Simulation (sk- Intel)

Students learn about the application of light refraction by completing a series of tasks based on light refraction using both concave and convex lenses.

Video

Using a lens to bend light

How can a water-filled plastic straw be used to decode a secret message? Watch as the Surfing Scientist demonstrates how lenses with a curved surface do curious things to light.

Image

Triunial projector, c1890s

This is a triunial or triple projector, also known as a triple lens magic lantern, probably from the 1890s. The projector is mainly made from varnished wood such as mahogany, and brass. Three lens systems in telescopic tubes project from the box, each covered with a brass lens cap. In front of each tube is a slide gate, ...

Image

Sutton panoramic camera, c1861

This is a panoramic camera, designed in England by Thomas Sutton, and one of about 30 produced. The camera lens is made up of two hollow glass hemispheres. The flap on the front of the camera lifts up to allow an image to be taken.