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Equipment

The Great Flange-to-Sensor Distance Article. Part II: Photo Cameras

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If you’re a photo shooter, chances are you didn’t read Part I of this series on Cine Cameras. If you’re at all interested in the methodology, you should give it a glance, because I’m not going over that again. Today I’m going to just talk about photo bodies and what we found measuring flange-to-sensor distance.   Well, how did […]

Flange to Sensor for Cine Lenses

Equipment

The Great Flange-to-Sensor Distance Article: Part 1 — Cine Cameras

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Part 1: EF and FE Mount Cine Cameras Consider, if you will, the fate of Poor Ben. Unbeknownst to Poor Ben, Aaron and I had started experimenting with measuring the flange-to-sensor distance of various video cameras, since we found that it varied more than, well, more than we had thought it should vary. We spent […]

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 […]

MTF Charts for 24mm Lenses

Equipment

Practical Use of Field Curvature: Wide and Telephoto Primes

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We introduced evaluating field curvature with 35mm f/1.4 lenses, then looked at how those differ from slower 35mm primes and zooms at the same focal lengths. Then we got into some practical stuff, showing how field curvature gives you useful information for 50mm lenses. Today we’re going to look at 24mm and 85mm prime lenses for a couple of […]

Equipment

Finally, the Nikon Z 24-70mm f/2.8 S Lens Teardown

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Just so you know, my original title was “Lens Disassembly is a Complicated Profession. Don’t You Agree?” The editor said nobody would know what the post was about. But I promise, you’ll see by the end of this; lens disassembly is a complicated profession. We were interested in this disassembly, and by interested, I mean both […]

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