Hi, I'd like to know your opinion: if you had a GH5 with a 12-60mm lens for video and would you like to buy another objective, which would you buy between these two lens?
Panasonic 45-175mm Vario X Motorized zoom Power O.I.S
Panasonic 14-140mm Power O.I.S
In your opinion which is more enjoyable and useful .... or what can I buy? I need a bit more zoom but only sometime, not so often.

I have the GH5 with the Leica 12-60, a really impressive lens. I would probably buy the 45-175 next although I'm not sure the motorised zoom is that important to me as long as the dual IS works.
The 14-140, I see as more of a vacation lens, i.e. a single lens that will do most types of shot reasonably well avoiding the necessity of carrying multiple lens except maybe a 25mm prime.

I have the GH5 and 12-60 2.8-4 lens. Agree with Steve. You can't really go wrong with the 14-140 3.5 either though. As long as you have sufficient light, it's a decent all around lens, and has that extra telephoto for when you need it.