[JJ_SO]

JoJu, that lens will weigh the same on a Z6, and even without any camera ;-)

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I reckon my point of showing this comparison was simply that the cameras may get a little smaller in mirrorless land but the lenses are generally quite comparable in size and weight (except for the Zeiss Loxias but these had very different design philosophies).

Well, that is debatable.

A valid point can be: Modern lenses are heavier than older lenses. We already saw that with for instance the Nikkor AF-S 135mm f1.8 E, the Canon EF 35mm f1.4 L USM II, the Zeiss Otus range and most of the Sigma Art range.

Another valid point could be: The shorter flange distance (due to "mirrorless") still allows for smaller/lighter optics. The Canon RF 50mm f1.4 L USM is about the same size/weight as the Pentax/Tokina HD FA 50mm f1.4 SDM AW and smaller/lighter than the Zeiss OTUS 55mm f1.4, while all 3 have the same amount of lens elements, and the Canon is half a stop faster.

You mean the Canon 50mm f1.2 ? 

Yeah, that Nikon already has two mirrorless bodies is at times confusing to me   It's so much easier with only one body...