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Category » Lenses and Optics

Insta360 One R Review

Lenses and Optics

The Insta360 One R is my Favorite Action Camera

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Fundamentally, I’ve always sort of hated action cameras. Like so many others, I fell for the marketing push, and years ago, I bought myself a GoPro Hero 3 Black Edition, solely because of the amazing promotional video they put together to push the latest and greatest available in 2012. However, upon getting the camera, I […]

Equipment

Testing the Best Ultra-Wide Lenses for the Perseids Meteor Shower

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Meteor showers can be some of the most exciting celestial events to shoot, but they can also be quite the challenge to get a good meteor photo. With about ten years of practicing astrophotography and timelapse, one of the best lessons I’ve learned with increasing chances of a good meteor shot is: go wider, a […]

Lenses and Optics

Sony FE 20mm f/1.8 G Optical Tests

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I haven’t published much optical testing in the last year for many reasons; some obvious, some not. But published or not, we still test things, and occasionally something comes up that I think I need to write up. The Sony FE 20mm f/1.8 G is one of those things. As wide-angle primes go, it’s reasonably priced […]

Equipment

MTF Tests of the Tamron 17-28mm and 28-75mm f/2.8 Di III RXD Lenses

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Tamron has a nice set of three f/2.8 zooms for Sony E mount cameras. Today I’m putting out MTF results for the 17-28mm f/2.8 Di III RXD and the 28-75mm f/2.8 Di III RXD. They offer a reasonably priced alternative to Sony-branded lenses, and Tamron has been making good products lately. I’ll admit to a […]

24-70mm Field Curvature Article

Geek Articles

Practical Use of Field Curvature: 24-70mm Zooms

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We’ve done a pretty good introduction to the field curvatures of 24mm, 35mm, 50mm, and 85mm prime lenses. We made a little bit of comparison with bargain primes and zoom lenses at 35mm. This post is going to assume you are familiar with those previous posts. (Yes, I know the reality is most people read […]

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