Panasonic S1R vs. Nikon Z7 vs. Leica SL cameras size comparison:
source: http://dicahub.com/2018/09/29/size-comparison-between-panasonic-s1r-nikon-z7-and-leica-sl
source: http://dicahub.com/2018/09/29/size-comparison-between-panasonic-s1r-nikon-z7-and-leica-sl