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Archive 2025 · After testing Z8 and having focus issues I may go to the Sony A7RV

  
 
woof2025
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p.1 #1 · After testing Z8 and having focus issues I may go to the Sony A7RV


I'm a fashion photographer, I shoot lots of frames, lots of subjects moving quite quickly. Currently using a D850 which I quite like but that face detect AF really draws me to the mirrorless options. I ordered a Z8 and after my first testing I'm finding the eye detect to be slightly off, often getting the end of the nose instead of the iris. My FX30 that I use for video always nails focus, all the time, every time. Is this a known issue with the Z8, the reviews haven't mentioned it..


Jan 21, 2025 at 10:07 AM
RoamingScott
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p.1 #2 · After testing Z8 and having focus issues I may go to the Sony A7RV


woof2025 wrote:
I'm a fashion photographer, I shoot lots of frames, lots of subjects moving quite quickly. Currently using a D850 which I quite like but that face detect AF really draws me to the mirrorless options. I ordered a Z8 and after my first testing I'm finding the eye detect to be slightly off, often getting the end of the nose instead of the iris. My FX30 that I use for video always nails focus, all the time, every time. Is this a known issue with the Z8, the reviews haven't mentioned it..


Lots of people chatter about "eyelash" focus on Z mount. In general (and against what you'd think), the fastest lenses like the 50/1.2, 85/1.2, Plena, etc all work better and more accurately at open apertures than slower lenses. I've seen the first frame of a burst be pretty reliably bad on my Z9, but you get used to it and just start firing bursts a bit earlier to compensate.

What lenses did you test on the Z8?



Jan 21, 2025 at 10:16 AM
1bwana1
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p.1 #3 · After testing Z8 and having focus issues I may go to the Sony A7RV


woof2025 wrote:
I'm a fashion photographer, I shoot lots of frames, lots of subjects moving quite quickly. Currently using a D850 which I quite like but that face detect AF really draws me to the mirrorless options. I ordered a Z8 and after my first testing I'm finding the eye detect to be slightly off, often getting the end of the nose instead of the iris. My FX30 that I use for video always nails focus, all the time, every time. Is this a known issue with the Z8, the reviews haven't mentioned it..


I have read a number of threads regarding this issue with Nikon AF. Yet I know many people who are successful producing excellent portraits using the recent generations of Nikon AF.

The conclusion I have come to from trying it myself, talking to Nikon users, and reading different reports on the issue, is that Nikon AF workflow is a bit complicated and maybe a little fussy. It all works, but you need to spend the time to understand the system, and shoot Nikon's way.

Sony seems to have the most advanced, automated, and easy to use AF system. It is reliable and just works. Sony's dedicated AI based AF processor is what many consider the state of the art currently. I hear Canon is also approaching this level of AF, and may be even slightly ahead in some genres of photography. I think if you try the A7RV you will be more than satisfied with the AF. In fashion work you will also appreciate the higher resolution, huge native lens library, and broad support from the lighting and accessories industry.

Since you will be switching to mirrorless which will require new lenses, and accessories if you want all native equipment, it is a good opportunity to examine and test the whole market. All systems will likely get you where you need to go eventually. Try them all out and see which one works best for you.



Jan 21, 2025 at 11:23 AM
SoaringSprite
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p.1 #4 · After testing Z8 and having focus issues I may go to the Sony A7RV


Personally I haven't experienced this problem after the 2.0 firmware update, but there are times when subject detect isn't doing exactly what I want it to do and that's when I turn it off and just use AF-C 3D tracking with the AF-ON button. The focus point sticks exactly where I put it, whether it's an eye or nose, or whatever. I'd say that the subject tracking is very good on the Z8, but not always absolutely perfect in every single situation.

The "eyelash AF" that's been talked about, I don't seem to have that problem, but I wonder if using the AF fine tune option in the menu to adjust what sounds like a front-focusing issue could be a possible solution. Are you using F-mount or Z-mount lenses? That could also be part of the problem. Some sample images with exif info would be good to have to help you further. A screenshot from NX Studio of where the AF point landed might be also helpful.



Jan 21, 2025 at 11:29 AM
Alistair1
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p.1 #5 · After testing Z8 and having focus issues I may go to the Sony A7RV




woof2025 wrote:
I'm a fashion photographer, I shoot lots of frames, lots of subjects moving quite quickly. Currently using a D850 which I quite like but that face detect AF really draws me to the mirrorless options. I ordered a Z8 and after my first testing I'm finding the eye detect to be slightly off, often getting the end of the nose instead of the iris. My FX30 that I use for video always nails focus, all the time, every time. Is this a known issue with the Z8, the reviews haven't mentioned it..


Definitely go with the A7rV. You are already in the Sony ecosystem and your FX30 has never missed an iris. Adapting lenses and running two systems is sub optimal, both from an AF and overall performance perspective and an all round PIA.



Jan 21, 2025 at 12:03 PM
recordproducti
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p.1 #6 · After testing Z8 and having focus issues I may go to the Sony A7RV


On my Z9 it’s pretty much impossible to make it miss focus, ever.


Jan 21, 2025 at 03:16 PM
bernardl
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p.1 #7 · After testing Z8 and having focus issues I may go to the Sony A7RV


I haven’t experienced this issue often with Z8/Z9 and pro lenses.

Overall I experienced more issues with my former Sony a9III than with the Nikon bodies shooting quickly moving dancers with the respective best lenses of the systems wide open. I found the Sony to be a bit better stopped down.

Cheers,
Bernard



Jan 21, 2025 at 04:37 PM
groob
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p.1 #8 · After testing Z8 and having focus issues I may go to the Sony A7RV


I also have no problems getting faces/eyeballs in focus. It would be helpful to know what lenses youre shooting, what modes you’re using, etc.


Jan 21, 2025 at 05:33 PM
Laslo Varadi
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p.1 #9 · After testing Z8 and having focus issues I may go to the Sony A7RV


woof2025 wrote:
I'm a fashion photographer, I shoot lots of frames, lots of subjects moving quite quickly. Currently using a D850 which I quite like but that face detect AF really draws me to the mirrorless options. I ordered a Z8 and after my first testing I'm finding the eye detect to be slightly off, often getting the end of the nose instead of the iris. My FX30 that I use for video always nails focus, all the time, every time. Is this a known issue with the Z8, the reviews haven't mentioned it..


You have not provided much information to go on. For instance what focus mode, what focus area, what lens and aperture settings. As stated in one of the replies below it takes a bit more time to figure out the best focusing modes on the Z8 vs Sony.



Jan 21, 2025 at 10:38 PM
VinnieJ
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p.1 #10 · After testing Z8 and having focus issues I may go to the Sony A7RV


Last time I saw someone on YT complaining about this, they admitted they were working with "out of the box" AF settings. There are a lot of options for the AF system and plenty of info out there on how to customize it. With that said if I already had an FX30 I would more than likely make the move to a Sony.


Jan 22, 2025 at 07:01 AM
jlafferty
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p.1 #11 · After testing Z8 and having focus issues I may go to the Sony A7RV


I agree with others: Nikon AF is a complex and trickier beast than Sony, and you’ve provided near zero helpful info on your current workflow and understanding. It takes a good afternoon of working out your workflow. Highly suggest you browse the Approaching the Scene YT. But also, if you just want to jump to settings (on firmware 2… 2.01?) that I’ve had incredible success with: disable face detect AF on the camera; set the camera to 3D tracking (sticky box); then use Recall Shooting Function Hold to enable Face detect. Now you’ll 3d track anything you want sharp by default, and at times you’ll assign the sticky box to the face, or even the eye. But then if you’re comfortably shooting the face of your subject for, say, 1/4 or more of the frame, press a button you’ve assigned RSFH to, and boom, it picks the eye up. I shoot everything Z currently - including commercial fashion and beauty - on 2 lenses: 24-120 f/4, 40 f/2


Jan 22, 2025 at 09:28 AM
1bwana1
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p.1 #12 · After testing Z8 and having focus issues I may go to the Sony A7RV


jlafferty wrote:
I agree with others: Nikon AF is a complex and trickier beast than Sony, and you’ve provided near zero helpful info on your current workflow and understanding. It takes a good afternoon of working out your workflow. Highly suggest you browse the Approaching the Scene YT. But also, if you just want to jump to settings (on firmware 2… 2.01?) that I’ve had incredible success with: disable face detect AF on the camera; set the camera to 3D tracking (sticky box); then use Recall Shooting Function Hold to enable Face detect. Now you’ll 3d track anything you want sharp by
...Show more


From reading the posts in just this thread it looks like there is a consensus even among Nikon shooters that Nikon AF is more difficult to learn, and operate than other systems.

Seriously, why should all that B.S. workflow be needed just to get an AF system to track the pupil of a human eye in good light? Other systems can do this reliably even when that eye temporarily is obscured by something, and can even predict where that eye is when not visible to the camera like when the subject has their back to the camera. This with close to 100% results without any kind of switching modes, or pushing buttons, or other complex workflows. The photographer just needs to focus on things that make an image special, like moment and composition.

I am not just talking about Sony either.



Jan 22, 2025 at 09:55 AM
mawz
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p.1 #13 · After testing Z8 and having focus issues I may go to the Sony A7RV


1bwana1 wrote:
From reading the posts in just this thread it looks like there is a consensus even among Nikon shooters that Nikon AF is more difficult to learn, and operate than other systems.

Seriously, why should all that B.S. workflow be needed just to get an AF system to track the pupil of a human eye in good light? Other systems can do this reliably even when that eye temporarily is obscured by something, and can even predict where that eye is when not visible to the camera like when the subject has their back to the camera. This with close
...Show more

There's two philosophies in design fighting here.

One is the 'do the right thing' design, where the designers assume they know best how it should work and implement it to do so. When done well, this works very well in most situations, but when it fails it tends to fail in ways that are more difficult to address. Sony leans hard in this direction, Canon has a softer lean this way with somewhat more configuration overrides than Sony. These systems tend to less configurability as well (because that can interact badly with automation)

The other design philosophy is the 'do exactly what you are told to', where the designers assume that the user knows what they want and will tell the device to do what they want. This leans heavier onto user expertise to configure & operate correctly, and can and will fail in situations where the user either doesn't know what they need to do (lack of training, experience or expertise), or where things are happening so fast they cannot react fast enough. These systems tend to extra complexity in configuration as well. It does tend to softer failures though, as the workarounds are designed in. Nikon leans hard in this direction, Canon honours it somewhat while leaning the other way.

The reality is that much like AE, users increasingly rely on the camera's expertise over their own. Sometimes this is VERY correct, especially in cases where timing is critical and the user must be prioritizing the items the camera cannot do (composition, tracking) over the items the camera can do (focus point selection, focusing, AE). So many users, especially those who are doing things where the camera can react quicker than the user, are biased towards the Sony model of the camera thinks for you. Nikon however relies on the user to override the camera in more cases, and that works better in some cases, but worse in others (particularly the edge cases of BiF which have become the standard to which most AF performance is judged these days).

This is also why when Sony's AF fails, it often seems to fail really hard, as you are limited in tools to override its default behaviours, while when Nikon fails, there's almost always a way to force it to do what you want, but that might take longer than you have to react to the scene. Nikon fails more than Sony when left to do its own thing, because it's designed to depend more on user input (and that's only sometimes the correct design choice)

The reality is Sony's design philosophy is the better choice for most users (who don't know what they need and expect the camera to handle it) and those users who want the camera driving focus so they can concentrate on other matters.

Nikon's is better for the cases of users who both know what they need & want and are not doing something where they cannot react fast enough to override the camera.

Canon sits somewhere in between. if you want a system that allows you to control things more than Sony does, but can run itself more than Nikon offers then Canon is probably the system for you.

The reality is that all these systems work brilliantly at most things. Some are better in specific areas and some require more user input, but also give more user control at the same time. No system is perfect for everybody.



Jan 22, 2025 at 10:29 AM
RoamingScott
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p.1 #14 · After testing Z8 and having focus issues I may go to the Sony A7RV


The vast majority of Nikon shooters on this board with Z cams, posting about their own experiences, have no problem getting iris focus keepers for the vast majority of their shots.

I suspect a certain someone that has no Z experience that insists on posting here wouldn't have any issues himself, either. He's content to just run his mouth out of pocket continuously about things he doesn't understand for his own enjoyment.



Jan 22, 2025 at 10:44 AM
groob
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p.1 #15 · After testing Z8 and having focus issues I may go to the Sony A7RV


1bwana1 wrote:
From reading the posts in just this thread it looks like there is a consensus even among Nikon shooters that Nikon AF is more difficult to learn, and operate than other systems.

Seriously, why should all that B.S. workflow be needed just to get an AF system to track the pupil of a human eye in good light? Other systems can do this reliably even when that eye temporarily is obscured by something, and can even predict where that eye is when not visible to the camera like when the subject has their back to the camera. This with close
...Show more

There's nothing hard or complex about it. Put the camera in AA with subject detection (assuming you're using "people" subject detection mode) and shoot. I haven't needed another autofocus mode since July, and even then, I only needed to switch modes because I was shooting monkeys, birds, and lizards simultaneously in Costa Rica. If you want to get fancy (like me), put 3D or single point or a wide mode on the BBF button so that--in the 0.01% of circumstances in which AA isn't working--you can switch to a different mode with the press of a button. And if you want to be double fancy, also like me, put another AF mode on a Fn button. Then, you can switch among 3 different modes with the press of a single button and no menu diving.

I know, super complex, especially to Sony shooters who do precisely the same thing with their "fussy" systems.



Jan 22, 2025 at 11:07 AM
1bwana1
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p.1 #16 · After testing Z8 and having focus issues I may go to the Sony A7RV


mawz wrote:
There's two philosophies in design fighting here.

One is the 'do the right thing' design, where the designers assume they know best how it should work and implement it to do so. When done well, this works very well in most situations, but when it fails it tends to fail in ways that are more difficult to address. Sony leans hard in this direction, Canon has a softer lean this way with somewhat more configuration overrides than Sony. These systems tend to less configurability as well (because that can interact badly with automation)

The other design philosophy is the 'do exactly
...Show more


I am not sure about the configurability comparisons you are making. Sony is widely acknowledged to have the highest level of configurability in the industry. This view is held by such notable Nikon/Sony experts as Thom Hogan. The very deep configurability is the primary source of the frequent complaint that Sony's menus are too complex. Sony gives almost unlimited ability to take control of the different features. Including single temporary button clicks or holds that can can completely reconfigure the camera as a toggle or only when the button is held down. It supplies a very straight forward instant workflow that does allow you to change things on the fly when the current setting are not hitting the way you want it to.

Tracking the eye of a human is a frequent and core functionality of modern mirrorless cameras. In my opinion it should not require using multiple modes and handing off between them in order for it to function properly. The camera knows that you want to track and focus on the subject's eye. Heck it draws a box around the eye leading the user to believe that is where it is focusing. However, it often misses and actually ends up hitting on the eyelash, nose, eyebrow, or other nearby point of high contrast. Having to implement and complicated workflow to keep this from happening is not the same thing as giving control to the user.

We do agree that once learned and properly operated all of these system will produce excellent results. That is a wonderful thing for all of us no matter which system we end up choosing.



Jan 22, 2025 at 11:08 AM
1bwana1
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p.1 #17 · After testing Z8 and having focus issues I may go to the Sony A7RV


groob wrote:
There's nothing hard or complex about it. Put the camera in AA with subject detection (assuming you're using "people" subject detection mode) and shoot. I haven't needed another autofocus mode since July, and even then, I only needed to switch modes because I was shooting monkeys, birds, and lizards simultaneously in Costa Rica. If you want to get fancy (like me), put 3D or single point or a wide mode on the BBF button so that--in the 0.01% of circumstances in which AA isn't working--you can switch to a different mode with the press of a button. And if you
...Show more

That doesn't quite match with what other Nikon shooters are saying even in this very thread. But if it works that way for you then I agree it is dead simple, and pretty much equivalent to how the other systems work. None of them require a menu dive to switch between modes either.



Jan 22, 2025 at 11:12 AM
mawz
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p.1 #18 · After testing Z8 and having focus issues I may go to the Sony A7RV


1bwana1 wrote:
I am not sure about the configurability comparisons you are making. Sony is widely acknowledged to have the highest level of configurability in the industry. This view is held by such notable Nikon/Sony experts as Thom Hogan. The very deep configurability is the primary source of the frequent complaint that Sony's menus are too complex. Sony gives almost unlimited ability to take control of the different features. Including single temporary button clicks or holds that can can completely reconfigure the camera as a toggle or only when the button is held down. It supplies a very straight forward instant workflow
...Show more

You're conflating two different kinds of configurability.

Sony's UI configurability is the best in the industry (ie the ability to assign controls & menu items to buttons/wheels/etc). If anything it's excessive (Nikon is the other way, somewhat under-assignable). Interestingly here the two design philosophy's are flipped, where Nikon is VERY 'we know best' in terms of button assignability and Sony is 'user can do any dumb thing they want'

Sony's AF system configurability is not to the same level as Nikon. In general the top-level settings are the same, but Nikon offers a second level of settings and sometimes even a 3rd.

For example, both an A1II and a Z9 allow you to select Wide Area AF, but the Z9 has 4 different sizes of Wide Area AF: L, S and then C1 and C2 with 20 (Stills) or 12 (movie) different focus point/pattern selections specific to each custom Wide Area AF size.


Edited on Jan 22, 2025 at 11:37 AM · View previous versions



Jan 22, 2025 at 11:33 AM
uncoy
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p.1 #19 · After testing Z8 and having focus issues I may go to the Sony A7RV


1bwana1 wrote:
The conclusion I have come to from trying it myself, talking to Nikon users, and reading different reports on the issue, is that Nikon AF workflow is a bit complicated and maybe a little fussy. It all works, but you need to spend the time to understand the system, and shoot Nikon's way.


I'm a Nikon user and have no issues shooting sharp images with D5, Z6, Z9. A peculiarity of Nikon focus is that it's much more difficult to get a Nikon camera to focus on a backlit subject. The focus always wants to go where there is light even when the subject is in the centre of the screen. Or it fails on the backlit subject.

A bit of fiddling around, reframing/framing back and one has the sharp backlit picture. Fortunately backlit is less frequent a subject than properly lit, which is why photographers don't complain it that much.

These backlit shot issues didn't affect my Canon cameras (5DIII, 5DSR). However, horrid noise at high ISO did affect my Canon cameras, so what the photography gods give somewhere, they take away somewhere else. Plus Nikon doesn't hit its hybrid video features with the cripple hammer (the only cripple hammer I've noticed at Nikon was the tiny buffer on the D750 which made it useless to sports shooters).



Jan 22, 2025 at 11:34 AM
1bwana1
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p.1 #20 · After testing Z8 and having focus issues I may go to the Sony A7RV




mawz wrote:
You're conflating two different kinds of configurability.

Sony's UI configurability is the best in the industry (ie the ability to assign controls & menu items to buttons/wheels/etc). If anything it's excessive (Nikon is the other way, somewhat under-assignable). Interestingly here the two design philosophy's are flipped, where Nikon is VERY 'we know best' in terms of button assignability and Sony is 'user can do any dumb thing they want'

Sony's AF system configurability is not to the same level as Nikon. In general the top-level settings are the same, but Nikon offers a second level of settings and sometimes even
...Show more


I agree with you on the focus area size adjustment. Sony does do this but gives them different names so not as obvious what you are getting. Even my Leicas which have AF systems way behind offer infinitely sized focus areas. Again just implemented differently.

My point is that when the focus box is being drawn around the eye, focus should be on the eye. No other input or workflow should be required. The camera knows this is what it should be doing. This just goes back the the OP's issue.



Jan 22, 2025 at 11:48 AM
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