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Proceedings Paper

A New Production Unit For Optical MTF Recording
Author(s): Frank G. Back
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Paper Abstract

A production unit of a new, completely self-contained device for measuring optical transfer functions will be demonstrated and explained in detail. Some of the remarkable features are: A simple photocell is employed instead of a photo multiplier because of the high efficiency of the optical track. It has a unique attachment for exact spatial zero frequency measurements. It has a built-in oscilloscope and a recorder capable of taking a complete diagram every 20 seconds. It works with one single electrical frequency of 400 cps and therefore eliminates the higher harmonics without the necessity of a sinusoidal target. The instrument can be operated by a technician without any special optical knowledge.

Paper Details

Date Published: 1 September 1968
PDF: 4 pages
Proc. SPIE 0013, Modulation Transfer Function, (1 September 1968); doi: 10.1117/12.946763
Show Author Affiliations
Frank G. Back, Zoomar, Inc. (United States)

Published in SPIE Proceedings Vol. 0013:
Modulation Transfer Function
Robert R. Shannon; Richard J. Wollensak, Editor(s)

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