So I was bored enough this afternoon to shoot a quick comparison using 3 different formats and a couple of lenses. Representing full frame,APS-C and M4/3 we have my battered Nikon Df, slightly less battered Nikon D500 and criminally underused Panasonic GX80 respectively. Lenses are my - even more battered than my Df - Nikon 24-70 2.8G and Nikon 70-200 2.8GII with an original Metabones Speedbooster for the GX80. A multitude of caveats for this quick comparison are  The 24-70