Speed Of Lenses

Creator: Office Of Information Pentagon Bldg

Format: 16mm

Sound: sound

Description: Presents the scientific nature of lenses in connection with light. Explains the diameter, diaphragm and focal length. Shows the factoral system and hour calculated together with the American Standard series.

No holdings listed.

Related films:

Original permalink · Record added: 2023-02-27 04:19:06