On March 7, Sean Reid at www.reidreviews.com published a full review of the Leica SL3. This article is the first in a series looking at the SL3 and several L mount and rangefinder lenses. Next up will be a studio comparison test of the Leica SL2 and SL3 that looks at color rendering, performance at various ISO levels, visual resolution and highlight headroom. Following that will be a full review of the Leica SL 35/2.0 Summicron ASPH compared to the Sigma 35/1.4 DG DN Art and a full review of the Sigma 24/1.4 DG DN Art. There will also be side by side tests of the SL2 and SL3 with various rangefinder lenses. Reid Reviews is a paid subscription site that has extensively covered Leica cameras and lenses, among others, since 2005.