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Nikon Z9 Horizontal Lines

Reader Gregg B reports on a problem with the Nikon Z9:

I've got the new Nikon Z9 camera and I've noticed there are problems with raw files. I'm not sure you have Z9 but maybe you've seen this problem before? Take a look at this file. It's full of horizontal lines all over... Any ideas what might be a problem?

So far I found only one but I just started shooting with the camera. The shot before this one and shot after this one are good. But, I’ve never seen such problem before and I don’t know if that’s my memory card, or camera. I have Sony Tough CFExpress cards 128GB (two of them), and never had problems with any of them. I used one with my Z7, again no problems.

I hope Nikon will fix this, I just don’t know and I can’t find any place to report this bug (assuming it’s a bug), to Nikon. But the camera is awesome. I love this thing. It focuses in dark like no other body I’ve owned (much better than Z7), so hopefully it’ll be only a simple firware update. At first I thought it’s Adobe. I tried this file with Nikon’s software. The NX studio and it won’t even open this particular file.

DIGLLOYD: this looks like a camera firmware problem to me—a bug. It looks like some kind of electronic shutter sensor readout problem. The weird thing is that some small bands of the frame are not affected, but 90% of it is ruined by horizontal lines. I doubt that it is PDAF-related.

I have not been able to get a hold of a Z9 yet, so I have no way to seek out what might cause this.

Below this actual pixels crop from a NEF converted in ACR (the same lines appear if processed with CaptureOne Pro, so it is definitely related to the file). The upper area is free of the lines and this is true across the entire frame. There are also two wide bands that are free of the lines, also clear across the entire frame.

f8 @ 1/6 sec, ISO 64; 2022-02-11 07:24:01
NIKON Z 9 + Nikon NIKKOR Z 100-400mm f/4.5-5.6 VR S @ 100mm
ENV: altitude 3829 ft / 1167 m
RAW: -54 Highlights, +20 Whites, +10 Clarity

[low-res image for bot]

Below, similar behavior in other parts of the frame.

f8 @ 1/6 sec, ISO 64; 2022-02-11 07:24:01
NIKON Z 9 + Nikon NIKKOR Z 100-400mm f/4.5-5.6 VR S @ 100mm
ENV: altitude 3829 ft / 1167 m
RAW: -54 Highlights, +20 Whites, +10 Clarity

[low-res image for bot]

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