Roger's Corner

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 […]

Equipment

Lensrentals Repair Data: 2012-2013

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Correction: Lenses called “Rokinon” in the “Weeks to Failure” rate incorrectly included Bower & Samyang branded products. Because of this error, data for lenses called “Rokinon” lenses has been removed. We apologize for this inaccuracy, and any confusion that may have resulted therefrom. What Is This? We have a unique opportunity: We own a very […]

Technical Discussions

Good Vibrations: Designing a Better Stabilization Test (Part I)

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My name’s T.J. Donegan, I’m the Editor-in-Chief of DigitalCameraInfo.com and CamcorderInfo.com (Soon to just be Reviewed.com/Cameras). We recently wrote about designing our new image stabilization test for our Science and Testing blog. I showed it to Roger and he asked for the “nerd version.” He was kind enough to let us geek out about the […]

Teardowns and Disassembly

Silent Changes

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Every so often I get an email asking me to jump in on some forum argument or other. I rarely do that because of the language barrier. Two of the common languages spoken on forums are CAKWAF (Complete, Absolute Knowledge Without Any Facts) and AFIDAWAB (Any Facts I Don’t Agree With Are Bullstuff). Since I […]

History of Photography

And Edgerton Said, “Let There Be Light.”

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The more I learn about the history of photography, the more I come to realize that just about every important advancement since 1850 has its roots in photography. The 8 hour workday, paid vacations, and employee stock options? A photography manufacturer started them. Telegraph? A photographer invented it. Synthetic cloth was just an offshoots of photographic […]

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