Yeah, it's not little, but this lens and camera combo still weighs less than my usual set up prior to purchasing the GFX50S: My Pentax 6x7 with 105mm f/2.4 total over 2.5kg.
My "compact" camera option, the Plaubel Makina 67, which I've used often for travel, is still 1.5kg. The folding-lens...