EXCERPT page containing first few paragraphs. 2022-08-18 15:18:55
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This issue is unresolved as I write this a few days into my testing of the Hasselblad XCD 80mm f/1.9. Nor did I observe the problem on the Hasselblad XCD 65mm f/2.8 or the Hasselblad XCD 135mm f/2.8 with or without the TC1.7.
UPDATE June 5 2020: this issue to be reevaluted with firmware 1.2.0.
The Hasselblad XCD 80mm f/1.9 frequently goes out of focus after exposing a frame (unstable lens focus). This is easy to see by using magnified Live View at 100% before and after exposing the frame. The change in focus is not huge, but far from subtle, being visibly blurred and not something that f/2.8 vs f/1.9 would overcome—more like 3 stops of defocusing.
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