1 June 1974 A Lens-Measuring Instrument-Engineered For People
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Abstract
The article describes a specialized instrument which can measure back focal lengths of lenses to ±.002 inches. It incorporates design features which promote quick, convenient and accurate use by relatively untrained operators.
Charles H. Chandler, "A Lens-Measuring Instrument-Engineered For People," Optical Engineering 13(3), 133275 (1 June 1974). https://doi.org/10.1117/12.7971705 . Submission:
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