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Lens Rentals The Secret of the Broken Element: A Canon RF 100-500mm f4.7-7.1 Teardown | Lensrentals Blog

Canon RF 100-500mm Teardown

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The Secret of the Broken Element: A Canon RF 100-500mm f4.7-7.1 Teardown

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In ancient times, the IS unit in Canon EF lenses was physically locked down, so the unit didn’t make rattling noises when the lens wasn’t powered up. Canon decided the lockdown was no longer necessary in modern times, so some RF lenses, like the Canon RF 100-500mm f/4.5-7.1, rattled when the lens wasn’t mounted to the […]

Repairing the Fuji GFX100

Geek Articles

The Fujifilm GFX 100 vs Salt Water Teardown

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So today is “Every Dark Cloud Has a Silver Lining Day.” The dark cloud involves a Fujinon GFX100 medium format camera that went out on rental, got used in a dive housing, and ‘suddenly died for no reason.’ Except on further investigation, well, maybe it got a little wet, but just a bit, but it […]

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 […]

Canon RF 7-200mm Teardown

Equipment

The Not Very Long Awaited Teardown of the Canon RF 70-200mm f/2.8 IS

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Long ago, a visiting Canon engineer put a box on my workbench, grinned, and said: “You’re going to like this.” Then he pulled out a mock-up of the RF 70-200mm f/2.8 IS lens, and my jaw dropped. I’ve been doing this stuff for a long time. My jaw drops very infrequently. My only comment was, “That’s […]

Disassembly of the Sony 400mm f/2.8

Geek Articles

The Great 400mm Teardown Comparison. Part II – The Sony 400mm f2.8 G

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In which you will not only learn how good the construction of Sony’s new flagship is, but also everything you wanted to know about Kubu.  As I mentioned last week, we usually don’t write up super-telephoto teardowns, but the release of two remarkably lightweight 400mm f/2.8 lenses seemed like a great opportunity to do a comparison. […]

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