Equipment

A Comprehensive Guide to Aerial Photography

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In the last few years, the price of renting a helicopter has decreased dramatically. Coupled with the advent of DSLRs that perform very well in low light, this has created a wonderful opportunity for photographers to charter helicopters in numbers never seen before. Over the past two years, I’ve spent a ridiculous amount of time […]

History of Photography

A Clear History of Glass

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I’ve written about glass, as in lenses, for years now. But I’ve never looked into the history of glass as just a substance, because, well, who cared? When I accidentally did some reading about early glass, though, I was rather amazed at just how important it was. So I thought I’d write about the history […]

Equipment

Sigma 24-35mm f/2 DG HSM Art MTF Curves and Sample Variation

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For years now, I’ve been telling people to always take the results of tests done on one copy of a lens with a serious grain of salt. Not matter how carefully it was tested, it’s still just one copy. Others will be worse. Others will be better. Because I’m so aware of copy variation, I […]

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