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nikon Zf firmware bug? v2.00

  
 
rhorta
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p.1 #1 · nikon Zf firmware bug? v2.00


I think I found a firmware bug with the Zf

Non-CPU lens data

Lens number 17
OK

Lens number 18
When choosing aperture to record it is mapped to the maximum aperture of Lens number 19

Lens number 19
Does not have any maximum aperture to record even when it has been set

Lens number 20
OK

So it seems to be some mapping issue between lens 18 and 19.
Can someone confirm?



Jun 06, 2025 at 01:15 PM
rhorta
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p.1 #2 · nikon Zf firmware bug? v2.00


…this might also be happening with previous versions, but up to know I did not need to enter lens 18.


Jun 06, 2025 at 01:18 PM
phinix
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p.1 #3 · nikon Zf firmware bug? v2.00


Lens 20?!
Wow, I only have 3 max.



Jun 08, 2025 at 02:53 PM
rhorta
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p.1 #4 · nikon Zf firmware bug? v2.00


Quality and skill over quantity any day.

Besides I did not have 20 lenses registered, it was actually lens 17 which I wanted to register as 18 (due to GAS) that I noticed an issue with option to register the aperture, after which I went in a kind of bug hunt mode. Those 17 lenses are not rare nor expensive.

24/2.8 AIS
28/2.8 AIS
35/2 AIS
50/1.4 AIS
50/1.2 AIS
105/2.5 AIS
50/1.8 AI
50/1.8 E
50/1.8 Pentacon auto
50/1.7 Pentax M

Voigtlander SL2 lenses - 28/40/55/58/90 - these are chipped, but sometimes I want to use them with a dumb adapter as mechanical only. I like the (new?) feature that allows to record the aperture.

So the new lens was a TT Artisan 100/2.8 “Trioplan”
However due to GAS I skipped 17 and entered the new lens in slot 18 with the aforementioned issues.

EDIT: so this does not add up, I actually have 16 lenses.



Jun 09, 2025 at 04:35 AM
Vinnie_VdB
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p.1 #5 · nikon Zf firmware bug? v2.00


So the best thing to do is report it to Nikon Netherlands: https://www.nikon.nl/nl_NL/contact-us


Jun 09, 2025 at 04:38 AM
rhorta
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p.1 #6 · nikon Zf firmware bug? v2.00


Vinnie_VdB wrote:
So the best thing to do is report it to Nikon Netherlands: https://www.nikon.nl/nl_NL/contact-us


Hi Vinnie, thanks.
I did so at the same time as reporting the finding here, but I am always cautious - it could be an issue with my camera and not the firmware. Not likely, but having confirmation by someone else would be conclusive evidence. Unconfirmed it could still be an individual problem.

That’s why I also asked about my Voigtlander 55/1.2
Of course this forum is more about creating beautiful images, the latest and greatest and specs - my questions were more fringe.



Jun 09, 2025 at 04:47 AM
Jepser
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p.1 #7 · nikon Zf firmware bug? v2.00


All my 20 works as they should, but I havent made the latest 2.01


Jun 09, 2025 at 01:07 PM
rhorta
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p.1 #8 · nikon Zf firmware bug? v2.00


Hi Jesper,
Thanks for testing / checking.

So you do not have an issue with pos. 18 and 19?
Do you use the Choose aperture to records = on?

The problem is not entering the information in the Non-CPU lens data, it is being able to select and record the correct aperture while taking the photo.

Maybe I should have been more clear with my description.

18 - 50/1.2
19 - 100/2.8

I will get *f2.8 as maximum aperture when using lens 18
When using lens 19 I am not be able to record any aperture, as it is shown as f- - and I can’t change the value with the control dial.

EDIT: I also have not tried 2.01



Jun 09, 2025 at 04:01 PM
RoamingScott
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p.1 #9 · nikon Zf firmware bug? v2.00


If I ever buy 14 more MF lenses for my ZF, I'll let you know =)


Jun 09, 2025 at 04:07 PM
rhorta
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p.1 #10 · nikon Zf firmware bug? v2.00


First world problems…



Jun 09, 2025 at 04:14 PM
 


Search in Used Dept. 

rhorta
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p.1 #11 · nikon Zf firmware bug? v2.00


I’ve got a support ticket with Nikon, supposedly after some additional correspondence asking for additional details, including a request to update to the latest firmware, they’re forwarding the report to their support team. Let’s see if they’ll ever send me an update, but in case they do I will share it here.

Guess not many need to use non-CPU lens numbers 18 and 19…



Jun 11, 2025 at 11:24 AM
EB-1
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p.1 #12 · nikon Zf firmware bug? v2.00


The most I ever used was 2, but not that body.

EBH



Jun 11, 2025 at 01:49 PM
rhorta
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p.1 #13 · nikon Zf firmware bug? v2.00


Just a final follow-up.
Nikon were able to confirm the issue and have said they’ll work on a fix in a future firmware update. Of course that is not a guarantee, it probably is very low on the priority list, but I thought it was excellent customer service by Nikon. They asked for details, reported they were able to replicate and even send me an apology for the inconvenience. Again, my main point was to verify the observation wasn’t limited to my camera. It is hardly something that will stand in the way of anything. Long story short IMO a good example of customer support - even without a fix I appreciate the time they gave my report. I’ve always been impressed by the customer support of both Canon and Nikon in my country.



Jun 23, 2025 at 03:54 AM
rhorta
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p.1 #14 · nikon Zf firmware bug? v2.00


I did not expect Nikon to be this fast

Firmware 3.0 was just released and I found the following fix in the release notes.

• Fixed the following issues:
- The camera displayed the message “The shutter is closed. To start shooting, press the shutter-release button.” in rare circumstances, when single frame shooting was repeated with the monitor closed.
- The [Maximum aperture] values set for [Lens number] at positions 18 and 19 in the non-CPU lens data feature were not correctly applied when shooting.

Again, it was never a huge problem, but it is nice Nikon made an effort to fix this.
Really like the Zf.



Oct 28, 2025 at 09:07 AM
RoamingScott
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p.1 #15 · nikon Zf firmware bug? v2.00


rhorta wrote:
I did not expect Nikon to be this fast

Firmware 3.0 was just released and I found the following fix in the release notes.

• Fixed the following issues:
- The camera displayed the message “The shutter is closed. To start shooting, press the shutter-release button.” in rare circumstances, when single frame shooting was repeated with the monitor closed.
- The [Maximum aperture] values set for [Lens number] at positions 18 and 19 in the non-CPU lens data feature were not correctly applied when shooting.

Again, it was never a huge problem, but it is nice Nikon made an effort to fix this.
Really like the
...Show more

We are going to give you credit for this one



Oct 28, 2025 at 09:50 AM
rbromfield
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p.1 #16 · nikon Zf firmware bug? v2.00


rhorta wrote:
Just a final follow-up.
Nikon were able to confirm the issue and have said they’ll work on a fix in a future firmware update. Of course that is not a guarantee, it probably is very low on the priority list, but I thought it was excellent customer service by Nikon. They asked for details, reported they were able to replicate and even send me an apology for the inconvenience. Again, my main point was to verify the observation wasn’t limited to my camera. It is hardly something that will stand in the way of anything. Long story short IMO a good
...Show more

How do you report a bug to Nikon with evidence?



Oct 28, 2025 at 09:50 AM
rhorta
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p.1 #17 · nikon Zf firmware bug? v2.00


rbromfield wrote:
How do you report a bug to Nikon with evidence?


Describe the problem, they were able to replicate it after some initial correspondence to provide additional details. If they hadn’t resolved it I would still have been positive about the way they treated the report. It is all about priorities, right? I understood up front this was not a show stopper



Oct 28, 2025 at 11:11 AM
rbromfield
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p.1 #18 · nikon Zf firmware bug? v2.00


rhorta wrote:
Describe the problem, they were able to replicate it after some initial correspondence to provide additional details. If they hadn’t resolved it I would still have been positive about the way they treated the report. It is all about priorities, right? I understood up front this was not a show stopper


Did you send the camera in to Nikon service and then provide the evidence once they received the camera?



Oct 28, 2025 at 01:15 PM
rhorta
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p.1 #19 · nikon Zf firmware bug? v2.00


rbromfield wrote:
Did you send the camera in to Nikon service and then provide the evidence once they received the camera?


Sorry, you lost me.
This was just an update on old post of mine, call it closure.




Oct 28, 2025 at 01:56 PM







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