HI HAVE NEW Z6 .. Have 14/30mmz 35mmz, 24-70mmz but I need a zoom?

By all accounts the native 24-70s is an excellent zoom lens.

 

70-200 f/4 is a good one so long as you have the FTZ adapter.

 

I’m enjoying the 70-300 f4.5-5.6 on my z6. It’s relatively lightweight and very sharp.

 

I'll second Terri's suggestion of the 70-300mm f/4.5-5.6E AF-P VR. It's lightweight, relatively inexpensive, with very good image quality. Thom Hogan's review: Nikon 70-300mm f/4.5-5.6 AF-P VR | DSLRBodies | Thom Hogan

This is with a Z7, cropped and greatly reduced, at a relatively high ISO:

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I agree 70-300 AF-P

 

Yep, OP, be sure to get the full frame P version of this focal length. Nikon has made about 5 different 70-300 lenses over the last decade, most still available, some very cheap but very marginal, some strictly for DX, but if you get the P for full frame, you will be getting the best.

 

Another vote for the 70-300 AF-P. Can't beat it for the price. If you need a faster lens, the 300mm PF f/4 with the 1.4TCIII is also amazing on the Z cameras.

 

Another vote for the 70-300 AF-P. It's my current telephoto lens of choice on the Z6 for landscapes, hiking, etc. Nice and sharp, yet pretty compact and light. Until we get a native version, it's the lens to get IMO.