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Category Archives: Teardowns and Disassembly

A Look at Electromagnetic Focusing

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If you’re like me you like to know what’s going on inside your camera or lens to some degree. They are tools, and if I want to get the best use out of my tool I need to know it’s strengths and weaknesses. You may not have noticed, especially if you shoot just Canon or […]

Sony FE 85mm f/1.4 GMaster Emergency Tear Down

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OK, I usually don’t respond to requests to disassemble things. I have a day job and the blog stuff is my hobby. But every so often the Bat Signal get’s raised over Gotham Internet and Aaron and I feel the need to fight the crime of massive overreaction and stomp out the flames of speculation-becoming-fact. I woke up […]

LensRentals Tears Down the Zeiss Batis 25mm f/2 Lens

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LensRentals hasn’t been able to get enough copies of the Zeiss Batis lenses to even fill our existing orders, much less enough for Aaron and I to test and play with them. But one of our customers was kind enough to drop a Zeiss Batis 25mm f/2 lens the other day. Nothing looked smashed, but […]

The Long-Awaited, Scary and Amazing Fuji Lens Teardown

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For, oh, about 2 years now, every time we do a lens teardown I get emails from Fuji shooters asking me to tear down one of their lenses. There are several reasons we haven’t. For one thing, we have far fewer copies of those lenses so there is less reason to work on them. Since […]

A Peek Inside the Leica Vario-Elmarit-SL 24-90mm f/2.8-4 ASPH

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We always get excited when a lens comes out with some new technology or major changes. This time, the new technology came from an unexpected source when Leica released the Vario-Elmarit-SL 24-90mm f/2.8-4 ASPH lens. I know most of you don’t think of Leica as technological groundbreakers and most of you probably barely noticed the release of […]