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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Sunday Aug 09, 2009
Learning to process images in Adobe Lightroom 2
Comments[0] 12:36PM Aug 09, 2009 by Charles in General
Well exposed images from a DSLR usually do not look very good right out of the camera. Accordingly, most of us have learned that post processing is necessary to get the most out of our images. I have used Photoshop for many years to process my RAW images, but I did not have a good way to handle my growing collection of images. Adode Lightroom seemed to provide an answer for database management and, in addition, offered developing and printing capabilities. However, my initial attempts to use Lightroom were not very successful because I did not know how to use its many features. I tried to read books about Lightroom, but my attention span is not very long when I don't know what I am looking for.[Read More]
Saturday Aug 08, 2009
Reminder: Publication news about SCP
Comments[0] 10:08AM Aug 08, 2009 by Charles in General
The discount code is scheduled to end on August 15. Please refer to the July 17 posting for the code, information, and links to excerpts from the book.
Friday Aug 07, 2009
DSLR AF problems
Comments[0] 08:49PM Aug 07, 2009 by Charles in General
A friend recently found that his new Canon 50D seldom gave sharp images when compared with his 40D, and he sold the 50D. This week I tested a new Canon T1i for AF focus accuracy. [Read More]
Tuesday Aug 04, 2009
Reporting errors in SCP
Comments[2] 03:13PM Aug 04, 2009 by Charles in General
Please report any typos or other suspected errors in the e-Book SCP. I will make a list and post them from time to time. You can just use the comment space here. I just noticed that Fig. 17.1 is misnumbered.