BINOCULARS WITH TREATED SURFACES

Abstract

Two pairs of Bausch and Lomb 7-power, 50-millimeter binoculars were compared in a field try-out. One of these pairs of binoculars had been treated so that its transmission of light, as determined by physical measurements, was greater by 32% than that of the other. In all other respects these binoculars were identical. A difference in transmission of this order is minor with respect to the fluctuations in sensitivity of the human eye.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Aug 21, 1942
Accession Number
AD0663542

Entities

People

  • N. R. Bartlett
  • W. S. Verplanck

Tags

Communities of Interest

  • Biomedical

DTIC Thesaurus Topics

  • Binoculars
  • Biomedical Research
  • Buildings And Structures
  • Connecticut
  • Contrast
  • Field Tests
  • Illumination
  • Measurement
  • Night Vision
  • Observers
  • Perception
  • Submarine Bases
  • Submarines
  • Visual Acuity

Fields of Study

  • Physics

Readers

  • Circadian Sleep-Wake Regulation and Chronobiology
  • Spectroscopy.