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Video Camera Battery Life

Equipment

Testing of Battery Life and Recording Times of All Video Cameras

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Here at Lensrentals.com, we have over 100,000 pieces of gear that we not only regularly rent out, but also regularly inspect, clean, and diagnose. Because of this amount of gear, we’re afforded the luxury of getting some pretty unique insight into the gear so many videographers and photographers use on a day to day basis. […]

Geek Articles

Painting Zoom Lenses with a Broad Brush – Roger’s Law of Wide Zoom Relativity

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I’ve been writing peer-reviewed scientific papers for way longer than I’ve been blogging about optics. I value significant numerical information presented with methods that allow reproducibility as much as anybody. But way too many people who can’t define either spurious accuracy or spurious resolution believe (and unfortunately create) nonsense numbers on the internet and repeat them as though they mean something. So […]

Geek Articles

Lens Teardown of the Complicated Sony FE 70-200mm f/2.8 GM OSS: Part I

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A lot of you are aware that we’ve been rather puzzled by the Sony FE 70-200mm f/2.8 GM OSS lens. It didn’t test like we expected it to, which led us to reevaluate our testing methods with outside consultants (we’re now comfortable they are valid, BTW), question the accuracy of different types of autofocus, and search […]

Geek Articles

Things You Didn’t Want to Know About Zoom Lenses

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The intersection (perhaps collision is a better word) of art and science is interesting. The scientist says “your impression is not as important as my facts.” The artists say “my impression is all that matters.” Imaging is that way. The photographer or videographer getting the look he wants from a piece of equipment is all that […]

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