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Should I replace my D500 & D750 with a D850, or wait for mirrorless?

  
 
M635_Guy
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p.2 #1 · Should I replace my D500 & D750 with a D850, or wait for mirrorless?


This is a helpful thread, but I'm not sure it pushes me one way or the other.

I've decided to move on from my D700 and D800 to a D850, but lingering at the idea of a Z8.
- I'm not a pro, and don't shoot sports and only occasionally birds. Most of what I shoot is travel, landscape, street/cameo, portraits/family, some product-type photos (mainly reviews of fine footwear for enthusiast forums) and photo walkabouts.
- I've got a decent kit of glass for what I shoot (70-200 f/4, 24-120 f/4, 50 f/1.4, 85 f/1.8 and an old Tamron 28-75 f/2.8 that I kinda love). The cost of moving to Z-glass would be significant - more than I can afford currently - so would have to start with maybe one lens (probably the Z 24-120 F/4) and an FTZ. for my other glass until I can slowly migrate to Z glass.
- I have screens and menus. I love knobs and buttons. I can operate both of my current cameras 90% of the time without taking my face away from the viewfinder.
- I love the idea of the autofocus on the Z8, but don't really struggle with focus except with birds, which is almost just fun and opportunistic, not a dedicated thing I go out to shoot.

All of that makes me think D850, which I can get for $1200 out of pocket for a new one with the equipment I'll trade in vs, $3500 for a new Z8 bundled with the 24-120 f/4 (after the trade-in). I could use the trade-in money for the Z 24-120 f/4 and maybe the FTZ and buy a used Z8 here on FM for a total of $3K out of pocket.



Aug 10, 2026 at 06:52 PM
JBPhotog
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p.2 #2 · Should I replace my D500 & D750 with a D850, or wait for mirrorless?


There is no need to replace great F-mount glass if you go mirrorless, just add an FTZ and only replace when your pocketbook is flush and you feel the need.




Aug 10, 2026 at 07:25 PM
RoamingScott
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p.2 #3 · Should I replace my D500 & D750 with a D850, or wait for mirrorless?


Both the Z8 and Z9 are essentially due for a refresh, but the Z9 will get its first by a margin. The Z9ii will crater the used and refurb prices of the Z9, and I would most certainly consider a Z9 before ever looking at a Z8 for this use case. Triple the battery life, NO buffer in backup mode unlike the Z8, far better heat management, and a much more solid "buy once, cry once" build quality.

The Z8 feels way bigger than it deserves to where the Z9 feels far smaller and lighter than IT deserves to.

I would not even entertain the idea of getting a DSLR, as the quality of life enhancements of the Z8 and Z9 are simply overwhelming. Just put an FTZ II on the Z and get shooting.



Aug 10, 2026 at 07:28 PM
OffTrail
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p.2 #4 · Should I replace my D500 & D750 with a D850, or wait for mirrorless?


M635_Guy wrote:
This is a helpful thread, but I'm not sure it pushes me one way or the other.

I've decided to move on from my D700 and D800 to a D850, but lingering at the idea of a Z8.
- I'm not a pro, and don't shoot sports and only occasionally birds. Most of what I shoot is travel, landscape, street/cameo, portraits/family, some product-type photos (mainly reviews of fine footwear for enthusiast forums) and photo walkabouts.
- I've got a decent kit of glass for what I shoot (70-200 f/4, 24-120 f/4, 50 f/1.4, 85 f/1.8 and an old Tamron 28-75 f/2.8 that I
...Show more →

If you're happy with your lenses and the autofocus performance of the DSLR's, it's hard to say go spend $3000 on a Z8.

I think a good starting point is to figure out if you want any specific Z lenses as upgrades to what you've got now. If you do, the slow migration may be worth it. But if not, a good price on a D850 is a nice move from an older pair of DSLR's.



Aug 11, 2026 at 01:36 AM
M635_Guy
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p.2 #5 · Should I replace my D500 & D750 with a D850, or wait for mirrorless?


OffTrail wrote:
If you're happy with your lenses and the autofocus performance of the DSLR's, it's hard to say go spend $3000 on a Z8.

I think a good starting point is to figure out if you want any specific Z lenses as upgrades to what you've got now. If you do, the slow migration may be worth it. But if not, a good price on a D850 is a nice move from an older pair of DSLR's.


That's where I'm arriving. Short of converting my whole glass kit to Z-mount for more thousands out of pocket, I'm not saving much weight to speak of and the things I gain feel like they'll be paper more than real-world for me. The D850 will still be a big jump in AF performance from the D800. I dorked around with the Z7 and Z8 at Map Camera in Shinjuku when each first came out, and was amazed by the AF, but ultimately felt like the AF and FPS were fun, but didn't solve problems I had.

I'm arriving at the conclusion that's still the case, especially when I'm retiring early and should probably take the discount to stay on the platform with a piece of equipment that is a still a big jump forward and likely has room for me to grow into.



Aug 11, 2026 at 07:47 AM
Spectro
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p.2 #6 · Should I replace my D500 & D750 with a D850, or wait for mirrorless?


You will love the D850. It’s a great camera capable of shooting all genres including sports. It will be an upgrade to what you have and the change will feel seamless. Everyone’s points are valid here but remember that this is a gear forum and the bias tends towards the latest tech upgrades.

When I moved to the Z9 I kept the D5 and let the D850 go. I missed it enough to consider repurchasing it. I already had a Z8 by that point so my logical mind prevented the purchase. The D850 is still one of my all time favourite cameras and I’m sure you will enjoy it.




Aug 11, 2026 at 09:31 AM
Seawolf
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p.2 #7 · Should I replace my D500 & D750 with a D850, or wait for mirrorless?


I love the D850. I have 2 of them. What I miss by not having mirrorless is the ability to see my exposure in the viewfinder together with a histogram in the viewfinder. This is especially valuable to me as I often use neutral density filters. I also miss the IBIS which would benefit my large prime lens collection. What is keeping me from upgrading is that the Z8 and Z9 record multiple exposures only in JPEG rather than RAW and I do a lot of multiple exposure work. So what does all this mean to you? If there is nothing you want to do that can't be done with the D850, you will love the D850. If the D850 would limit what you want to do, then go mirrorless.


Aug 11, 2026 at 01:02 PM
OffTrail
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p.2 #8 · Should I replace my D500 & D750 with a D850, or wait for mirrorless?


M635_Guy wrote:
That's where I'm arriving. Short of converting my whole glass kit to Z-mount for more thousands out of pocket, I'm not saving much weight to speak of and the things I gain feel like they'll be paper more than real-world for me. The D850 will still be a big jump in AF performance from the D800. I dorked around with the Z7 and Z8 at Map Camera in Shinjuku when each first came out, and was amazed by the AF, but ultimately felt like the AF and FPS were fun, but didn't solve problems I had.

I'm arriving at the
...Show more →

Definitely a sensible choice if you don't really have a problem that mirrorless solves.

I shoot action so the Z8 has been a nice buy. Better fit for me than the D850 was for sure (I was comparing it to a D5/D500 then), but if I didn't shoot action? I'm not sure how far down the Z trail I'd have gone. I liked the Zf a lot, but you know, a D600 and a small AF/AF-D prime or even one of the super light f/1.8G primes really isn't any more of an imposition. It's just uglier I do think IBIS is a real nice-to-have, though.

But yeah I think pocketing the difference for now makes sense. If a Z body or lens comes along in a year or so that's more compelling, I doubt it'll be hard to get out of a $1200 D850 to move. Plus, if a Z9II/Z8II comes along and tanks used Z8 prices, it probably won't move the needle much on your D850's value.



Aug 11, 2026 at 04:07 PM
Jack Flesher
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p.2 #9 · Should I replace my D500 & D750 with a D850, or wait for mirrorless?


IMHO it’s time to go mirrorless. Everything about it is better than DSLR. Even a Z7ii is a significant step up from the D850, Z8/9 more so. As Scott said earlier though, the entire line is overdue for an upgrade and prices of all these will crater.


Aug 11, 2026 at 04:16 PM
M635_Guy
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p.2 #10 · Should I replace my D500 & D750 with a D850, or wait for mirrorless?


OffTrail wrote:
Definitely a sensible choice if you don't really have a problem that mirrorless solves.

I shoot action so the Z8 has been a nice buy. Better fit for me than the D850 was for sure (I was comparing it to a D5/D500 then), but if I didn't shoot action? I'm not sure how far down the Z trail I'd have gone. I liked the Zf a lot, but you know, a D600 and a small AF/AF-D prime or even one of the super light f/1.8G primes really isn't any more of an imposition. It's just uglier I do think IBIS
...Show more →

If I shot sports the AF alone would make a Z8 a no-brainer.

One of my best friends shoots a Z8, and we've traveled extensively together and shot in cities all over Asia back when I was shooting a D700 and he had a D800 (which is the one I'm now moving on from). Another good friend decided to skip the Z8 and went to a D850 from his D800. I talked to both since my first post here, and both feel like I'd be happier with the D850. I don't think there's much of a downside in the short to medium term, and the financials are a good thing.

I'm fine to wait for the current Z8 to drop and pick it up when I'm ready. Thanks all for helping me!



Aug 11, 2026 at 06:18 PM
 


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sonofjesse2010
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p.2 #11 · Should I replace my D500 & D750 with a D850, or wait for mirrorless?


I would sell off all the DSLR's and go 100% mirrorless. The big 3 make great choices.

I have seen some good Z8/Z9 pricing of late.

Mirrorless is a game changer due to the AF. I held out too long as well, but now mirrorless is so good.

Battery life is the really only downsize, but the bigger bodies due have larger batteries.

Good luck!



Aug 20, 2026 at 11:38 PM
RexGig0
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p.2 #12 · Should I replace my D500 & D750 with a D850, or wait for mirrorless?


Well, a thought, on the lenses: We recently sold our Nikkor 500mm f/4E FL, because we were not using it often enough. Thankfully, we had bought it pre-owned, so, took less of a financial hit. If we ever get around to our bucket-list of travels, we may rent an f/4 500mm or 600mm, as needed, but, living in coastal SE Texas, where birds travel thousands of miles to visit, or pass through, we will probably continue to let the birds come to us.

Whoa, I sold my 500/4 E FL! What do I use? Well, 80-400G, hers and mine. AF-S 300 f/4D, hers and mine, with or without TCs. Well, we got old. Plus, we are not out to win photo contents.

To be clear, I am not advising any other person what they ?should? do.

When I use my D850, instead of a D5, it is more for the smaller form factor, than the high resolution. I do not add grips to cameras. The high resolution seemed like a good idea in 2018, when we bought her and then my D850 cameras. In hindsight, I should have bought myself a D500, rather than a D850, to serve the smaller-form-factor role. We had bought a pair of D500 cameras, in 2017, for my wife, to replace her two drowned D7000 cameras, so, I had already played with a D500, enough to see how its AF performance absolutely trounced that of my D3s. This led to my upgrading to a D5, in 2018, then adding a second D5, in 2019.

Side Note One: I still use Canon for serious macro. I use Canon for non-serious macro. If I used Nikon for serious macro, having a D850 absolutely would be valuable. High-resolution is useful for macro.

I have only recently stepped into the Z system. Having done so, well, I am, not going to advise anyone to spend money on a DSLR, in 2026. This does not mean I plan to stop using my beloved pair of D5 cameras, anytime soon.

I have only used one Z-mount lens, thus far, on an FX Z camera, the ZR, and on a DX Z camera, the Z30. EVF-lessness! That one lens is the 26mm ?pancake? Z lens, which is not very relevant to the OP?s use cases. I have toyed with some F-mount lenses, on the FTZ. So, I have only glimpsed a small part of the Z-mount world, so, am in no position to advise on Z-mount cameras. I see the ZR as a most wonderful complement to my pair of Immortal Beloved D5 Cameras.

Did I say that I like D5 cameras? For that matter, I liked the D5 so much, I bought a pre-owned D4s, as a ?back-up? body, and gifted my D3s to a friend, who had regretted selling her D3 or D3s, to recover from a flood, if I recall correctly. (Same storm flood that had drowned my wife?s pair of D7000 cameras.) The D4s does not have the 2016 AF tech of the D5/D500/D850, but does have Group Area AF, as found in the D750, but not in the original D4. What can I say? The D4s has such a big, beautiful OVF.

To be clear, I am not anti-D850, but, have used my D850 more for its form factor, than its resolution, which is repeating myself. And, again, a D500 would have served my personal needs, just as well, each time I actually used a D850. But, then, the D850 has such a big, beautiful OVF.

Side Note Two: I am biased toward OVFs. I see EVFs as looking into a tunnel, to watch TV. This has contributed to my slowness to buy into the Z-mount, and is another reason I am not dispensing advice about whether any person, other than myself, should buy into the Z system.

Well, my D850 can serve as a backup body for my wife, should something happen to her D850. There, it is good that I bought my D850.



Aug 24, 2026 at 05:55 PM
RexGig0
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p.2 #13 · Should I replace my D500 & D750 with a D850, or wait for mirrorless?


By the way, even my tiny ZR has amazing AF, even with a lens not known for amazing or fast AF. And, oh, my, that huge, articulating LCD?


Aug 24, 2026 at 06:02 PM
nlevasseur
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p.2 #14 · Should I replace my D500 & D750 with a D850, or wait for mirrorless?


The choices are very personal and all the previous comments are thoughtful and valid. Probably the best advice is to rent a D850 and/or your MIRRORLESS of choice for more than a weekend. I find it difficult to absorb a new trial body in a weekend. You get to handle it, test it and see how it fits your needs. There are always ah ha moments that will mean more to you than perhaps the next person.


Sep 15, 2026 at 03:35 PM
sungphoto
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p.2 #15 · Should I replace my D500 & D750 with a D850, or wait for mirrorless?


I'd recommend a Z6iii unless you have a need for 45mp. 24mp is plenty for all the use cases you mention unless you tend to crop heavily.

I loved my D850, and occasionally miss shooting it, but the latest AF in the Z6iii is so close to the Z8 that I haven't noticed it personally even shooting them side by side. EVF is great for checking shots in the field on a bright sunny day, completely silent shooting, fully articulating screen on the Z6iii which allows you to shoot very low without getting dirty, in body battery charging with USB-C and a power bank, etc. Plus you get up to 6k60p in video with 2 hours max of recording time and ability to shoot in N-raw and N-log in body, which is incredible for a camera that can be purchased used for around $1400-1600. Considering a low mileage used D850 is going to be around $1200-1300, I don't think it makes sense compared to value prop of the Z6iii, unless you really want/need an OVF.

I have the Z8 as my main camera for work, and the Z6iii as my second carry/backup/personal camera, and I can't see myself swapping them out again anytime soon. There is definitely a learning curve with the Z mirrorless cameras, and it might take you a bit of practice to get the autofocus and other custom settings dialed in perfectly for you, but once you do they're a joy to shoot. I used to primarily be a back-button AF shooter, but have found that I get more reliable results with just AF tied to the shutter, using AF-C in good light, with either the 3D tracking square or the medium sized box.



Sep 15, 2026 at 04:11 PM
SSISteve
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p.2 #16 · Should I replace my D500 & D750 with a D850, or wait for mirrorless?


For wildlife shooting alone, the AF and tracking on the Z8 blows the doors off the D850. Save up and go with the Z8. You will be much happier.


Sep 17, 2026 at 11:43 PM
LostLensCap
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p.2 #17 · Should I replace my D500 & D750 with a D850, or wait for mirrorless?


I shoot a D850/D500/D750 and they are really great cameras in their own right. I use the D750 with a af-s 24-120 f/4 for people pics. 24mp is more than enough for groups, portraits, and candids. The D500 has a af-s 200-500 permanently that I use for birding and the D850 has a af-s 70-300 f/4.5 5.6 that does just fine as long as you shoot at f/8 and not f/5.6. I'm constantly toying with the idea of selling all 3 of them and going with a Z8 but for now I'm just too attached to those older tools.

In the OP's case however, I think they would be better served by selling the D750/D500 and getting a Z8.



Sep 18, 2026 at 12:35 AM
GeofFX
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p.2 #18 · Should I replace my D500 & D750 with a D850, or wait for mirrorless?


Earlier this year I made the transition from the D850 and D5 as my primary bodies, to a Z8. It’s not even close! I don’t miss the D5 at all, especially the mirror/shutter noise of AF-C, and the D850 is now mostly sitting idle. I know there is a sea of used DSLR stuff out there for crazy low prices, but if you go mirrorless I doubt you’ll regret it. And looking forward a few years, where will parts and service be for the DSLR system?


Sep 19, 2026 at 07:52 AM
christopher_icu
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p.2 #19 · Should I replace my D500 & D750 with a D850, or wait for mirrorless?


The shooting experience, image quality, ergonomics, and durability of both cameras can't be beat in my opinion.

The D850 seems like the superior choice economically, but it isn't exactly inexpensive.

The Z8 is a bigger investment, but more future proof.

One thing I missed moving from the D850 to the Z8 is the mechanical shutter. Other than that, everything else is faster.




pbossev wrote:
I shoot a wide range of genres, but predominantly wildlife, second to sports, and along with a bit of portraiture, concerts, and studio work.

My current DSLR lineup is a D5, D500, and D750. I'm looking to trim the kit down. I plan to keep the D5, sell the D500 and D750, and I’m considering replacing them both with a single D850. The alternative is to hold off my GAS, save for a few more months, and make the jump to mirrorless—likely a Z6III or a Z8/Z9.

I realize the D850 will outclass the D750 for my studio, portrait, and general use.
...Show more →




Oct 09, 2026 at 11:11 AM
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