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A1 II Firmware v4.0

  
 
71sbeetle
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p.2 #1 · A1 II Firmware v4.0


Tested it in a big crowd tonight, it's definitely more precise and stickier, but in wide AF it kept wanting to grab onto people's eyes way WAY WAY behind my "subjects", I had to switch to XS single focus point to get it to focus where I wanted it to. Sounds like we need eye-controlled AF next lol


Oct 31, 2025 at 05:18 AM
quigsby
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p.2 #2 · A1 II Firmware v4.0


I don't know about you guys but I have been using Sony's Creators app for the last couple updates. I am impressed and happy at the speed and simplicity.



Oct 31, 2025 at 10:08 AM
Daran
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p.2 #3 · A1 II Firmware v4.0


71sbeetle wrote:
Tested it in a big crowd tonight, it's definitely more precise and stickier, but in wide AF it kept wanting to grab onto people's eyes way WAY WAY behind my "subjects", I had to switch to XS single focus point to get it to focus where I wanted it to. Sounds like we need eye-controlled AF next lol

I does seem more relaxed about the AF area borders when it can identify a target though. E.g. going straight to the eyes even where the AF field ends below the neck. Selecting specific folks with a small-ish AF field seems easy enough.



Oct 31, 2025 at 10:45 AM
ifxbonz
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p.2 #4 · A1 II Firmware v4.0


can anyone confirm once the firmware is loaded to the card in the camera can I just take the card out and place it in another a1 ll and up grade, or do i need to re download and go through the steps on the creators app.

Andy



Oct 31, 2025 at 11:35 AM
Donzo98
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p.2 #5 · A1 II Firmware v4.0


ifxbonz wrote:
can anyone confirm once the firmware is loaded to the card in the camera can I just take the card out and place it in another a1 ll and up grade, or do i need to re download and go through the steps on the creators app.

Andy


Yes... you can def do what you are asking about.




Oct 31, 2025 at 11:53 AM
arbitrage
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p.2 #6 · A1 II Firmware v4.0


I didn't get a lot of shooting in this morning. Thick, dark clouds. Was shooting at f/4, 1/1600, ISO 8000 to give some idea of light levels.
But, instantly noticed the Eye-AF box snap on way quicker. It also seems to have gone back closer to A1 in staying with a centered subject and not always wanting to shift focus to closer vegetation or ripples in the water (when in Zone or Wide). I still had a couple times it went for near by ripples when it couldn't detect a bird in centre anymore but overall seemed way better than A1II prior to FW 4.0.
I didn't get to test any small birds in branches to see if it has closed the gap to Canon yet. Will try some of that in the backyard this afternoon.
Overall though seems to be a nice upgrade and you really do notice it instantly when you start aiming it at the birds.



Oct 31, 2025 at 02:22 PM
Douglas L
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p.2 #7 · A1 II Firmware v4.0


arbitrage wrote:
I didn't get a lot of shooting in this morning. Thick, dark clouds. Was shooting at f/4, 1/1600, ISO 8000 to give some idea of light levels.
But, instantly noticed the Eye-AF box snap on way quicker. It also seems to have gone back closer to A1 in staying with a centered subject and not always wanting to shift focus to closer vegetation or ripples in the water (when in Zone or Wide). I still had a couple times it went for near by ripples when it couldn't detect a bird in centre anymore but overall seemed way better than A1II
...Show more

Maybe I should test it on some Canada geese until I get to shoot eagles in 2 weeks..



Oct 31, 2025 at 03:13 PM
Newenglandrocks
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p.2 #8 · A1 II Firmware v4.0


I could not seem to do the update with CF-A cards for some reason on my A9iii with version 1. I ended up finding an old SD card and that did the trick. Unlike most of you, I’m going to be shooting much more difficult subjects at a dinner party tonight, so I will be able to really put the AF through its paces.


Nov 01, 2025 at 10:35 AM
Constable
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p.2 #9 · A1 II Firmware v4.0


ifxbonz wrote:
can anyone confirm once the firmware is loaded to the card in the camera can I just take the card out and place it in another a1 ll and up grade, or do i need to re download and go through the steps on the creators app.

Andy


Yes. Definitely. I did this on both my a1 m2 bodies.

Ed



Nov 01, 2025 at 03:07 PM
aCuria
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p.2 #10 · A1 II Firmware v4.0


Is this real time recognition AF+ “always active” or some kind of setting

I don’t see a setting for this



Nov 01, 2025 at 10:42 PM
 


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Daran
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p.2 #11 · A1 II Firmware v4.0


aCuria wrote:
Is this real time recognition AF+ “always active” or some kind of setting
I don’t see a setting for this

It's just a name for the new version of AF. As before you can disable it, but you can not revert to the previous AF implementation.



Nov 02, 2025 at 01:00 AM
aCuria
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p.2 #12 · A1 II Firmware v4.0




Daran wrote:
It's just a name for the new version of AF. As before you can disable it, but you can not revert to the previous AF implementation.


what do you mean by disable it? Meaning manual focus?



Nov 02, 2025 at 01:20 AM
speedmaster20d
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p.2 #13 · A1 II Firmware v4.0


I used the new FW yesterday and I can confirm there is definitely some improvement in subjet recognition and tracking need more time to quantify it but the fact it was immediately obvious means that the improvement is not so subtle....


Nov 02, 2025 at 12:58 PM
mogul
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p.2 #14 · A1 II Firmware v4.0


Maybe the firmware brought the A1 ll to A9III levels? Just shoot in my backyard, the A9III seems the same.


Nov 02, 2025 at 04:36 PM
maestrofilms
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p.2 #15 · A1 II Firmware v4.0


I'm surprised there isn't more coverage on this update, written or on YT. Sony just updated their focus system, and almost no one's talking about it.
I was expecting to see dozens of "Sony's best just got better..." videos the same day.

Not that I'm complaining.



Nov 02, 2025 at 04:53 PM
jhapeman
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p.2 #16 · A1 II Firmware v4.0


maestrofilms wrote:
I'm surprised there isn't more coverage on this update, written or on YT. Sony just updated their focus system, and almost no one's talking about it.
I was expecting to see dozens of "Sony's best just got better..." videos the same day.

Not that I'm complaining.


I don't think they have ever sent out advance notice of updates, so it's not surprising at all, at least to me. I'm sure you'll see those types of videos soon. I'll just be looking for text-based reports here on FM. Nothing more annoying than having to sit through an unnecessarily long video with ads when three paragraphs of text will do that job.



Nov 02, 2025 at 05:07 PM
duncangr
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p.2 #17 · A1 II Firmware v4.0


When it comes from Nikon you look for a big improvement, when it comes from Sony you just look to see if they have made anything worse...


Nov 02, 2025 at 07:52 PM
birderbill1
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p.2 #18 · A1 II Firmware v4.0


Anyone know if there would be an issue updating to v4.0 from 2.01?


Nov 02, 2025 at 11:16 PM
duncangr
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p.2 #19 · A1 II Firmware v4.0


birderbill1 wrote:
Anyone know if there would be an issue updating to v4.0 from 2.01?


There is no stated prerequisite so it should be fine.



Nov 02, 2025 at 11:31 PM
aCuria
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p.2 #20 · A1 II Firmware v4.0





Nov 02, 2025 at 11:57 PM
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