LensRentals Teardown: Sony FE 400mm f/2.8 GM OSS Lens

LensRentals has posted a teardown of the Sony FE 400mm f/2.8 GM OSS Lens.
 
From the LensRentals Blog:

So what did we learn today? Really, not a lot. The Sony 400mm f/2.8 G is exactly what we expected; a very solidly built lens that is everything construction-wise you would hope for in a big beast of a super telephoto that costs $12,000. It has excellent weather sealing, heavy-duty engineering between the barrel segments, a very solid chassis, and components that all appear up to the task.

Sony FE 400mm f/2.8 GM OSS Retailers - B&H | Adorama

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