The 7artisans 28mm f/1.4 lens for Leica M-mount is still on sale for $440 only at the Photo Rumors Online Store (with free international shipping) – this is almost $60 off from the current/regular price of $499 at Adorama, Amazon, and B&H. You can order the lens directly here.
Leica SL2-S With SL 35/2.0 APO Summicron, ISO 200, F/2.0 @ 1/5000 second. Copyright 2020 Sean Reid/Reid Reviews
→ Reidreviews published side-by-side studio tests of the Leica SL2-S, SL2 and SL – these tests look at color rendering, moire, and file quality at ISO 50-100,000 and more (the articles are behind a paywall):
A field test and review of the Leica SL2-S
Vignetting and resolution for the Leica SL2-S, SL2 and SL (tested using the Leica SL 35/2.0 APO Summicron)
Highlight headroom, estimated native ISO and useable dynamic range for the Leica SL2-S, SL2 and SL (tested using the Leica SL 35/2.0 APO Summicron)
Vignetting and resolution of three rangefinder lenses tested on the Leica SL2-S, SL2 and SL
→ Photonstophotos published their sensor test results for the Leica SL2-S camera.