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File:Long Short Focus 1866.jpg

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Description
English: An early calculation of CoC diameter (“indistinctness”) by “T.H.” in 1866. Circle of confusion.
Bahasa Indonesia: Perhitungan awal diameter CoC (indistinctness) oleh "T.H." pada tahun 1866.
中文：​1866年模糊圈文章.
Date
Source en:wikipedia
Author T.H bRITISH JOURNAL OF PHOTOGRAPHY 1866
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(Reusing this file)		 PD

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current13:54, 11 June 2006Thumbnail for version as of 13:54, 11 June 2006500 × 2,758 (489 KB)Gisling{{Information |Description= |Source=en:wikipedia |Date=1866 |Author=T.H bRITISH JOURNAL OF PHOTOGRAPHY 1866 |Permission=PD |other_versions= }}

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