LensRentals Teardown: Sony FE 70-200mm f/2.8 GM OSS (Part 1)

LensRentals recently disassembled a Sony FE 70-200mm f/2.8 GM OSS and found three aspheric elements (unusual for a telephoto zoom) and uniquely designed AF system.
 
From LensRentals Blog:
As part of that Holy Quest, we wanted to take a look inside the FE 70-200 f/2.8, because, well, that’s what we do. They’ve been in such short supply, though, we just haven’t been able to take one apart. But a customer was kind enough to drop one of ours, jamming the focusing system. We decided the opportunity to do a repair/teardown was too good to pass up.
 
It’s not the first time we’ve made a bad decision, and it probably won’t be the last. It ended up being the longest and most complex (6 hours) teardown we’ve ever done. If you’re interested, read along and come feast your eyes on one of the oddest lenses we’ve ever looked into. But it’s going to be a fairly long read. (Poof! There went 90% of the blog viewers.)
 
I’ll warn you now, I’m going to use words like different, odd, and weird when describing the inside of this lens, especially in the second part of this two-part teardown. Don’t misread that to mean I’m saying ‘bad’ because I’m not. Sony is the one manufacturer these days that’s trying all kinds of new and different things. I love that. Sometimes new things are better, sometimes not. But it does make them different.
See the Sony FE 70-200mm f/2.8 GM OSS Teardown (Part 1) on the LensRentals Blog.
 
Update: Sony FE 70-200mm f/2.8 GM OSS Teardown (Part 2) was posted this morning.
 
B&H carries the Sony FE 70-200mm f/2.8 GM OSS Lens.
Posted: 2/27/2017 6:31:09 AM CT   Posted By: Sean
Posted to: Sony News
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