Welcome to my blog, I'm Charles Johnson - a scientist and an amateur photographer. This site is devoted to all aspects of science related to photography. For more information read my About page.

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Charles S. Johnson, Jr.
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Comments[0] 03:11PM Mar 31, 2007 by Charles in General
I have completed Chapter 9 on understanding compound lenses, and I am now getting help with proof reading. Also, I have updated the Table of Contents. The new version is available here.