EXCERPT page containing first few paragraphs. 2020-04-02 05:36:22
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Panasonic S1R firmware version 1.0, Leica 90/2 APO firmware version 1.0.
This aperture series at f/2, f/2.8, f/4, f/5.6 shows off the world class performance wide open at f/2 of the Leica 90mm f/2 APO-Summicron-SL ASPH on the Panasonic S1R shot in 187-megapixel Multi-Shot High-Res mode.
It also shows a focus shift such that f/2.8, f/4, f/5.6 are all substantially degraded from f/2, even down to sizes as small as 24 megapixels.
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