LENSES.

Duration: 15 min

Year Published: 1931

Creator: Encyclopaedia Britannica Films Inc

Format: 16mm

Sound: Silent

Description: Emphasizes those phases of lens refraction admirably shown by animation: real and virtual images, changes of magnification; effect of diverging lens and formation of the virtual image; construction and explanation of acromatic lenses.

Complete Record: LENSES. 1931. 985 ft. Eastman Teaching Films, Inc. (George W. Hoke, author); 8Jul31; MP2832.

Metadata Source:Educational Film Guide 1946