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Category » Teardowns and Disassembly

Taking Apart Canon R5

Equipment

Taking Apart the Canon EOS R5 Mirrorless Camera

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Let’s get one thing out of the way in the first sentence. If you’re here to understand the mysteries of thermal flow in the Canon R5 I can tell you everything I know without doing a teardown: It’s small, it’s weather-sealed, and photo-body cameras have limited ability to get heat out of the camera. I am […]

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 […]

Lensrentals lens teardown Canon 600mm

Equipment

Taking Apart the Canon RF 600mm f/11 IS STM

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Here I sit, the guy who gets poetic writing about tiny resolution differences in high-priced wide-aperture lenses, having just bought this lens. Its aperture is in the diffraction-softening range. The manufacturer’s (pronounced ‘better than reality’) MTF charts aren’t very good. So why did I buy this pig? Because it could fit a need, of course. Despite the religious […]

Nikon 120mm-300mm Teardown

New Items

A Peek Inside the AF-S Nikkor 120-300mm f/2.8 FL ED SR VR

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We’ve wanted to look inside the Nikkor AF-S 120-300mm f/2.8 FL ED SR VR lens. When we took apart a Z lens recently, we found Nikon had moved on from their ‘classic’ internal optomechanical and electrical design for a neat, modern design. We were interested to see if newer F lenses would pick that up, or if they would […]

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 […]

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