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 […]

Equipment

Sony a7R II Vs a7S Video Field Comparison

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The amazing low-light performance and ability to shoot in 4k has made the Sony a7S a definite favorite for our customers and the LensRentals team. We have been very excited over the release of the a7R II with new features such as 5-axis in-body image stabilization, a 42.4MP back-illuminated full-frame sensor, and in camera 4k. A few […]

Equipment

Guide to Buying Used Photography Gear

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Buying gear within the used market can be a great way to save money. However, you can also be left with a lemon, and no way to return your soft lens or broken gear. Since we work with thousands of pieces of gear on a daily basis, I figured it was time to discuss the […]

Equipment

Canon 100-400 IS II MTF and Variation Tests

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When the Canon 100-400 f/4-5.6 IS L Mk II lens was first released we immediately did some testing. First we took one apart and were extremely impressed with the build quality. Then we compared it using Imatest to the original Canon 100-400 IS L and the new Canon 400mm DO L IS Mk II lenses […]

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