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a7r (4 or 5) plus a9 or A1

  
 
johnahill
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p.1 #1 · a7r (4 or 5) plus a9 or A1


Ok, so the title says it all hopefully.

I currently have an a7r4 that I've been thinking of upgrading to an a7rv mainly for features like focus stacking, better bulb timer, nicer viewfinder. I don't find the r4 lacking in image quality.

To add to this I'd love to get back to doing some aviation images again, so was thinking about adding a beat-up r9.

However, A1(mk1) used prices are getting to the stage where I can pick up an A1 for the same or less than the 2 bodies above.

Comments/thoughts?

My usage would be 60% landscape/cityscape

15% car shows including hill climbs

15% aviation

10% everything else



Sep 22, 2025 at 01:07 PM
Craig Gillette
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p.1 #2 · a7r (4 or 5) plus a9 or A1


I still have my A7Riv. I remember the rush to the A1 when it came out. I haven't shopped the differences lately. I believe the finders are the same or similar, the Rv rear panel articulates, I think the A1 just tilts? The A1 doesn't have focus stacking nor the A7Rv and later subject identification and tracking adds, IIRC, the same subject/tracking and ID as the riv but faster? A1 -Less rolling shutter, blackout free electronic finder..

Not a complete (hopefully accurate) differences. I don't know that I'd find the 50mp vs 61mp critical.

It's something I'm considering, more the A1 than A9.



Sep 22, 2025 at 01:34 PM
old-gregg
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p.1 #3 · a7r (4 or 5) plus a9 or A1


johnahill wrote:
Comments/thoughts?


I was in your shoes recently. 70% of my volume are relatively static subjects, and 30% could benefit from high-speed AF+bursts. After some experimentation, I have arrived at an unexpected destination: the A7R V and the Nikon Z8 with the Megadap Pro+ adapter.

The key realization for me, after renting some bodies, was that I did not want to give up (or compromise even a little) on the IQ I am getting out of that 60mp sensor. At low ISOs the DR is insane, and at high ISOs the color fidelity is so high, and the noise pattern is so fine and film-like, that I just didn't want to give any of that up. With the market moving to stacked high-speed sensors I feel like this 60mp chip is a special breed that may disappear, I just needed to have it.

Then, when I looked at the used A1s for high-fps and video use cases, I also wanted the modern subject recognition, but the A1 Mk2 is too expensive as a 2nd camera, while the Nikon Z8 is just as good and a mint one can be found for $2,800-2,900. What makes is possible though is the excellent Megadap Pro+ which, to me at least, seems to be delivering basically native AF performance. In fact, the Sony's GM lenses adapted to the Z8 focus faster than the two native Z lenses that I rented. There are two additional bonus points to this decision. First, I now have access to some Z mount lenses that have no equivalent in the E-land, in my case is their excellent flat-field 105mm 1:1 macro. And the second, is that the Z8 is a much better platform for adapted lenses and for manual focus lenses. The focus confirmation implementation is better than the Sony's, and the ability to add non-CPU lenses to EXIF is fantastic.

BTW, I fully realize that my reasons, frankly, are bullshit. I could probably do just fine using the A7RV for action. I could probably do just fine with an IQ of a single A1 Mk2 or Z8, with nobody seeing a difference in the final JPEGs. But I simply wanted the best of two different worlds, and the A7RV+Z8 was the cheapest way to get there.



Sep 22, 2025 at 01:49 PM
formula4speed
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p.1 #4 · a7r (4 or 5) plus a9 or A1


Craig Gillette wrote:
I still have my A7Riv. I remember the rush to the A1 when it came out. I haven't shopped the differences lately. I believe the finders are the same or similar, the Rv rear panel articulates, I think the A1 just tilts? The A1 doesn't have focus stacking nor the A7Rv and later subject identification and tracking adds, IIRC, the same subject/tracking and ID as the riv but faster? A1 -Less rolling shutter, blackout free electronic finder..

Not a complete (hopefully accurate) differences. I don't know that I'd find the 50mp vs 61mp critical.

It's something I'm considering, more the A1
...Show more

I believe the A1 got focus bracketing via firmware (it's not a feature I've used personally).

I went down a similar path, I wanted a solid "all around" camera that would last me a while and was between the A7RV and A1, ended up with the A1 because I wanted to try the fast readout electronic shutter. I'm happy with my choice, but I strongly suspect either camera would get the job done 99% of the time.



Sep 22, 2025 at 02:14 PM
chiron
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p.1 #5 · a7r (4 or 5) plus a9 or A1


old-gregg wrote:
I was in your shoes recently. 70% of my volume are relatively static subjects, and 30% could benefit from high-speed AF+bursts. After some experimentation, I have arrived at an unexpected destination: the A7R V and the Nikon Z8 with the Megadap Pro+ adapter.

The key realization for me, after renting some bodies, was that I did not want to give up (or compromise even a little) on the IQ I am getting out of that 60mp sensor. At low ISOs the DR is insane, and at high ISOs the color fidelity is so high, and the noise pattern is so fine
...Show more

I think the A1 would be generally better than either of the other two cameras, often significantly better in a way that will get pictures that the other cameras would miss. The A7RV would offer slightly better IBIS and AI autofocus, the latter of which is almost never better than what the A1 can do. I am not familiar enough with the A7RV to recall all of its features. That you might want to check on. There are probably a few tricks the A7RV can do that the A1 can't. But the A1 is a very powerful, superbly well-rounded camera that really can take just about any picture. The slow sensor readout on the A7RV kills it for me.

The A9 is a very nice camera, but the A1 beats it everywhere except for size. I am looking for an A9 in mint condition myself because I like its combination of a smaller size and a stacked sensor and excellent AF. I also have an A1 II, though I now think I should have just been happy with my A1, which I sold. I find the A7RV, A9III, A1 II, and even the A1 bodies a bit larger than I would like.

The A7V is due out soon. It might surprise us by coming with a stacked sensor, though that is not expected or rumored. But it is reported to have a new sensor on board.



Sep 22, 2025 at 02:17 PM
old-gregg
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p.1 #6 · a7r (4 or 5) plus a9 or A1


chiron wrote:
I think the A1 would be generally better than either of the other two cameras, often significantly better in a way that will get pictures that the other cameras would miss. The A7RV would offer slightly better IBIS and AI autofocus, the latter of which is almost never better than what the A1 can do. I am not familiar enough with the A7RV to recall all of its features. That you might want to check on. There are probably a few tricks the A7RV can do that the A1 can't. But the A1 is a very powerful, superbly well-rounded camera
...Show more

Again, all of these cameras are superbly capable machines, we're discussing/sharing our GAS symptoms more than anything else. :-) That said, the IBIS on the A7R V is not just slightly better, it's much better than what's in the A1 Mk1, cutting on the need for tripod and affecting the quality of pixel shift, which I also need for the repro work. As I said earlier, my top GAS symptom is that I need access to the #1 image quality possible in a FF sensor, and a stacked sensor is just slightly behind. I see the "stacked harshness" in shadow transitions of skintone at higher ISOs when pixel peeping. The 60MP sensor doesn't have it.

Besides, the A7RV is a far more capable action camera that people often assume online. Its AF-C implementation never misses with GM lenses, and the 7fps with full AF-C and RAW support is still quite high for action photography. Therefore, for my use cases, there's a very narrow range of situations where the A7RV won't cut it, so this camera is the closest to the best all-around camera for me, with a stacked sensor speed being a distant second. This is why I'm recommending it for the OP who reports "60% landscape/cityscape" usage. I realize that birders or sports shooters will have it flipped, they will pick a stacked-sensor camera, and maybe once in a blue moon may ask for a tiny bit better IQ.



Sep 22, 2025 at 02:40 PM
johnahill
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p.1 #7 · a7r (4 or 5) plus a9 or A1


Just picked up a used a1 for less than I can get a used a7rv, combination of a reduced price and 10% off used gear special.

I've been shooting the a7r4 and a7r3, I never find myself wanting for better IQ with either so I hope the a1 at base ISO will be fine .
What took me down the road of the a1 was blackout free shooting when tracking, fast jets down hang around

From the a1 firmware page
"Adds support for focus bracket shooting, which allows for continuous shooting while automatically shifting the focus position"



Sep 22, 2025 at 03:04 PM
 


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johnahill
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p.1 #8 · a7r (4 or 5) plus a9 or A1


chiron wrote:
I think the A1 would be generally better than either of the other two cameras, often significantly better in a way that will get pictures that the other cameras would miss. The A7RV would offer slightly better IBIS and AI autofocus, the latter of which is almost never better than what the A1 can do. I am not familiar enough with the A7RV to recall all of its features. That you might want to check on. There are probably a few tricks the A7RV can do that the A1 can't. But the A1 is a very powerful, superbly well-rounded camera
...Show more

I've got 30 days after delivery to return the a1 if needed. A7v may be released in that time, we'll see



Sep 22, 2025 at 03:11 PM
chiron
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p.1 #9 · a7r (4 or 5) plus a9 or A1


johnahill wrote:
Just picked up a used a1 for less than I can get a used a7rv, combination of a reduced price and 10% off used gear special.

I've been shooting the a7r4 and a7r3, I never find myself wanting for better IQ with either so I hope the a1 at base ISO will be fine .
What took me down the road of the a1 was blackout free shooting when tracking, fast jets down hang around

From the a1 firmware page
"Adds support for focus bracket shooting, which allows for continuous shooting while automatically shifting the focus position"


That's the choice I would have made. Congratulations on getting a good price on one of the best cameras Sony has ever produced!



Sep 22, 2025 at 03:28 PM
johnahill
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p.1 #10 · a7r (4 or 5) plus a9 or A1


cheers all for the input
Used to shoot airshows with a canon 7D, I'm pretty sure this is going to be a monumental step up.

Just wished Sony made a 400/5.6 to go with it



Sep 22, 2025 at 03:37 PM
Craig Gillette
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p.1 #11 · a7r (4 or 5) plus a9 or A1


old-gregg wrote:
I was in your shoes recently. 70% of my volume are relatively static subjects, and 30% could benefit from high-speed AF+bursts. After some experimentation, I have arrived at an unexpected destination: the A7R V and the Nikon Z8 with the Megadap Pro+ adapter.

The key realization for me, after renting some bodies, was that I did not want to give up (or compromise even a little) on the IQ I am getting out of that 60mp sensor. At low ISOs the DR is insane, and at high ISOs the color fidelity is so high, and the noise pattern is so fine
...Show more

That's not something I'd figured out (adapter to Nikon body) in my ponderings. I cross used my Nikon D7200 when adding Sony mirrorless so could likely get used to using two different bodies again. that would seem, also, an incentive to Sony to address this sort of competition.



Sep 22, 2025 at 04:32 PM
j4nu
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p.1 #12 · a7r (4 or 5) plus a9 or A1


I think you will love it.
Though I'd like to have that fully articulated LCD on my A1 .

I think most people talking about IQ miss the point that you need to expose perfectly and push hard in post to see that ~0.5 EV difference in base DR...



Sep 22, 2025 at 04:39 PM
old-gregg
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p.1 #13 · a7r (4 or 5) plus a9 or A1


Craig Gillette wrote:
That's not something I'd figured out (adapter to Nikon body) in my ponderings. I cross used my Nikon D7200 when adding Sony mirrorless so could likely get used to using two different bodies again. that would seem, also, an incentive to Sony to address this sort of competition.


Do they want to? What's bigger: the market size for bodies, or for lenses? If it's the latter, Sony is doing fine. My advice to any Z8 owner is to throw away their weird S-primes and get a set of GM primes with an adapter instead.



Sep 22, 2025 at 04:57 PM







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