Some early results.
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Here is a handful of test snaps from the LLL f/2 8 element Summicron clone.
These were taken in poor light, all at f/2, to see what the lens is capable of. In each case clicking the image and clicking the result will display a very large picture to permit critical evaluation. The gentle, unfussy rendering of out-of-focus areas is well shown in these snaps.

Focus was on the ‘Don Fulano’ bottles.
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Fellow diner, clandestine snap.
This is a crop of the lefthand most half of the file.
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In the next image I accidentally underexposed by no fewer than 4.5 stops. Duh! Though only at ISO500 the result has considerable digital noise and the Denoise algorithm in LR Classic 15.1 did a fine job of removing the noise without robbing definition. Center resolution is exceptional with little loss in the corners, despite the lens being at full aperture.

At f/2.
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In this final image focus was on the serrated decoration immediately below the lower glass globe. The ‘Leica glow’ is on full display here. Note the rendering of out-of-focus areas:

At f/2.
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In conclusion, this is a lens which successfully emulates the 70 year old Leitz original design with the addition of modern multicoating, fresh parts and new grease, and all at a fraction of the cost of that Leitz collectible. Corner definition is high at full aperture with the corners holding up well. There is no distortion. If you want glow use f/2. For glow-free high definition f/2.8 and smaller does the trick. Highly recommended as an all round, diminutive street snapper with a fast maximum aperture. Not cheap, but built to historical Leitz, Wetzlar standards. And that means this lens defines excellence in mechanical and optical design.
All images on the Leica M10.