Lenses

Duration:

Year Published: 1950

Complete Record: Explains the effects on lenses of light, and shows the construction and use of a lens. Pictures the types of images formed by convex and concave lenses when an object is placed at varying distances from the lens. Shows the use of lenses in cameras , microscopes, and telescopes. Old camera, 8x10 Camera, Man taking photo, chimpanzee projected on screen in small theater, movie being projected, magnifying glass over book, various lens shapes, scientist looking through magnifying glass, man shooting movie

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