I've done something I never thought I would until I'd spent a few days with my Z6 - sold all my AF-S lenses (10 of them, including the 2.8 zoom trio and 3 f1.4 primes). I've kept my Df and a few AF-Ds, which aren't worth much, as a back-up, and to provide a fill-in until more Z lenses are available.
My motivations were
- I really, really liked the Z6 and 24-70
- I really didn't like the Adaptor. Functionally I know it's fine, it's just not to my taste. It's big and clunky and the combination of F-mount lens and Adaptor and Z6 just doesn't look right to me.
- Used prices for F mount lenses are unaffected today by the Z. I have a feeling they will decline - maybe not next year but at some time. Some of my AF-S lenses were over 10 years old, most over 6-10 years old, so they've given me a useful life
- I have a budget now to buy new S lenses as they arrive.....
Has anyone else contemplated this?
If I had the money, I would love to have kept them, and one day added a D5 or D850. It's great gear. But realistically I'm only going to do a meaningful amount of shooting with one body, and that's going to be a Z in the future.
Aside from a couple of AI lenses, my only two lenses were the 24-70 2.8 G and 80-200 2.8 AF-D.
I love the D4 and use it mostly with the 24-70 2.8. Had stopped using the 80-200 2.8 as the AF was not really suited to what I was doing (horse racing) compared to the 24-70 and I am pretty close to the action, so the 24-70 was getting more use.
Managed to sell the 80-200 2.8 last week, as it is still a fine lens for static shots and I did actually sell it for only USD120 less than I bought it for, four years ago.
AF-D lenses are on their way out, with the Z system in, so that was another consideration.
If I were staying shooting what I am now, I would likely look more seriously at the 70-200 2.8 E, due to its superior focus and optics compared to the 80-200 AF-D that I had, but things are planned that will change what I shoot and I expect to be doing more street photography than anything else, soonish. So the D4 and 24-70 2.8 will transition to that quite nicely.
Am quite happy with what I have now, but able to move into Z system if I want to, later on, without any wholesale selling off etc. Likely my next camera / lens combination will be a Z series, later on, especially if the Z series lenses prove to be optically as good as the mount promises.
I expect that all F mount lenses will fall a bit in price next July, when the roadmap shows more Z lenses as being issued. Probably Nikon will start discounting current F Mount lenses sometime March or April anyway, prior to the release of a bunch of Z series (S) lenses, so as you plan to move fully to the Z system, you sold at just the right time.
As you know AFS G lenses can be used with the adapter and that is what I would do if I had to replace my D4 with a Z6. But, if the optics in the S lenses prove to be as good as is inferred, the S lenses will take over from the F mount lenses, in popularity.
Enjoy.
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Wishing You Good Light.