William McCune Demonstrating Use of Camera

(Original Caption) Needham, Mass.: William J. McCune, Jr., President of Polaroid Corporation demonstrates Polaroid's new SX-70 Land camera using ultrasonic echo ranging that focuses the camera automatically in just fractions of a second at Plaoroid's annual meeting of shareholders. The new ultrasonic echo ranging camera determines focus distance by measuring the time it takes for sound to travel from the camera to the subject and back again.
(Original Caption) Needham, Mass.: William J. McCune, Jr., President of Polaroid Corporation demonstrates Polaroid's new SX-70 Land camera using ultrasonic echo ranging that focuses the camera automatically in just fractions of a second at Plaoroid's annual meeting of shareholders. The new ultrasonic echo ranging camera determines focus distance by measuring the time it takes for sound to travel from the camera to the subject and back again.
William McCune Demonstrating Use of Camera
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Credit:
Bettmann / Contributor
Editorial #:
515123328
Collection:
Bettmann
Date created:
25 April, 1978
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Release info:
Not released. More information
Source:
Bettmann
Object name:
u19030654.jpg
Max file size:
3395 x 3428 px (28.74 x 29.02 cm) - 300 dpi - 4 MB