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Category Archives: Roger's Ramblings

Photo Geek Contest 2013 Winners

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I am the poster child for that old saying, "Be careful what you ask for. You might get it." I thought it would be fun to have a little contest just for the Photo Geeks who read my blog posts. I thought maybe 10 or 15 people would enter and we'd be like the 8 [...]

The Cynic's Photography Dictionary

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Picture -  A representation in two dimensions of something wearisome in three.   Ambrose Bierce I'm a fan of the satirical and cynical definitions of Ambrose Bierce, first written as a daily newspaper column and later collected in The Devil's Dictionary. (It was originally called the Cynic's Word Book, but so many politicians of the day called [...]

There Is No Perfect Lens Test, Either

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In my last article, I wrote about the fact that every copy of a given lens has some bit of sample variation. This affects lens reviews, whether lab-based or photography-based, because the copy they tested will be just a bit different from the copy you buy. I suggested, that if you want to get a [...]

Fun with Color Vision

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I've been doing a lot of technical things lately, writing up our repair data and investigating methods of reducing optical variation in lenses. So I thought I'd take a bit of a break and write a post about something fun. Human vision is always fun to me, since it's an area where I can apply [...]

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