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A Problem on the Refractive Power of Minus Lens Installed in the Finder of the Japanese Monocular Reflex Camera jin Otsuka 1 1Department of Ophthalmology, Tokyo Medical and Dental University pp.1417-1421
Published Date 1972/12/15
DOI https://doi.org/10.11477/mf.1410204872
  • Abstract
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In order to determine the adequate minus lens power installed in the finder of the Japanese monocular reflex camera, the author conducted following experiments.

The author added various power of lenses at the portion of a Japanese monocular reflex ca-mera : Nikomat, measured the visual acuity and refractive degree of the 10 eyes of 9 girls look-ing at Ishihara's visual test chart through this finder and took the photograph of the test chart after adjusted the focus of the camera by the subject to the smallest distinguishable test figure.


Copyright © 1972, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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