200/2 = 3kg ; D5 = 1.4 kg ; Z6 = 0.6 kg.
In the Z6 case, the body is just an appendage. Good news for the pros who carry two camera bodies (rather than dual card slots).
Back to the main subject - fine shots indeed; it is unfortunate that much of the extra quality gets lost over the internet (downsampling, compression, etc.). I'd like to see big prints...