Equipment

Taking Apart the Zeiss 85mm T2.1 CP.3 Cinema Lens

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Long ago, in an office far, far away we did a teardown of the Zeiss 85mm CP.2 lens. Since we’ve already seen the earlier model, we thought it would be interesting to take a peek inside the new Zeiss 85mm CP.3 lens as well. We’re going to have to work on them eventually, and it’s always […]

Cine Lens MTF Testing

Equipment

Why We’re Going to Start Testing Cinema Lenses. And Why We Haven’t Before.

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  Here we go again. This isn’t my first time pissing off the status quo; I’ve been doing it for years. We spent the last few years developing better metrology (lens testing) for photography lenses. The reason was relatively simple; photography cameras with higher resolutions began to see flaws that the photography company’s (and our existing) metrology […]

Geek Articles

Guide to Photographing The Solar Eclipse on August 21st 2017

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On August 21st, 2017, a solar eclipse will be happening throughout the United States, which has created a lot of excitement and questions from our readers and customers. As a result, I wanted to put together a small guide on how to properly and safely photograph this incredibly rare event. Let’s get out and photograph […]

Sigma 24-70mm Art Series Review

Lenses and Optics

Sigma 24-70mm f/2.8 DG OS HSM Art Sharpness Tests

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Sigma has been on an incredible run these last 5 years, releasing one amazingly sharp lens after another. They’ve made lenses no one has ever tried before and not only succeeded, they made them amazingly good on the first try. Their quality control has become as good as anyone’s, better than most. And their repair […]

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