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Jerry Coffin

Started programming on a Control Data mainframe in FORTRAN IV, back when that was still a new thing. Was apparently quite masochistic, because I kept programming anyway. For that matter, I still do...



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As of September 2020, I'm one of only two users who has been awarded the Gold vector badge.
Vector: committing crimesAnswering questions with Direction and Magnitude!

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  • San Diego, CA, United States
  • coderscentral.blogspot.com
  • Member for 10 years, 7 months
  • 759 profile views
  • Last seen Feb 15 at 10:13

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All Questions Answers
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53 What is the difference between a pentaprism and a pentamirror? May 9 '11
52 Why aren't all viewfinders 100%? May 9 '11
44 Why no zoom lenses with a maximum aperture wider than f/2.8? Apr 2 '12
38 Why don't DSLRs come equipped with “classic” focusing screens (split prism, etc)? May 4 '11
35 Why would I want to select an autofocus point? May 18 '11
35 What is the 18% gray tone, and how do I make a 18% gray card in Photoshop? Jul 28 '10
33 What is moiré? How can we avoid it? May 10 '11
32 What is the depth-of-field preview button on my DSLR supposed to show me? Nov 23 '10
30 Why should my last post-processing step be sharpening? Mar 4 '11
29 Do smaller apertures provide more depth of field past the diffraction limit, even if peak sharpness suffers? Apr 23 '11
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