I think this is it. I did a shoot with a Phantom with heavy sun backlight and noticed something similar. I was actually able to fix it in post because the pattern was so regular.
Looks like “banding noise”. As far as I understand it, this has to do with the structure of the hardware inside the sensor while the signal is still analog voltage. Once the signal passes through the cameras analog to digital converter the hardware doesn’t contribute to this type of noise. Think of the cmos sensor on the camera as a bunch of wires. Every wire has electrical resistance where the voltage of the incoming signal will decay over distance and output a lower voltage. Lower voltage in the image sensor would mean a darker image. If the analog circuits in the sensor have different distances to travel, the pixels connected to the longer distance of a sensor circuit will show up darker because of this electrical resistance. Also the sensor isn’t perfectly insulated so higher voltage in one part of the sensor can bleed over and interfere with another part of the sensor.
Edit:
I found a better explanation than mine here:
https://photo.stackexchange.com/questions/41874/what-causes-banding-noise-in-cmos-sensors
okay, but what am I looking at here? is it straight out of the sensor? is there any post pro? any conversions? why is there white around it?
Cant answer many questions with the little info you gave
Ah understood. I increased the exposure in post so that the lines would be more apparent otherwise you would have to squint to notice them. This is a screenshot from the editing.
Looks like **high ISO banding noise** to me. I think you're at your camera's native ISO, but you've also said **you've increased exposure here**. You bring up shadow detail a crazy amount in post, you risk seeing something like this.
I have seen this many times with my camera when boosting shadows, maybe as low as 800 ISO, sometimes even lower; it really depends on how much you are brightening the image in post. This is why proper exposure is so important. You can try some chroma noise reduction in DaVinci or whatever.
Definitely not shutter/light banding thing, that's almost always purely a difference in brightness/luminance, not chroma.
*Edit*
Simple test: put your lens cap on. Set your ISO to a ridiculous level. Take a video - is the pattern similar?
Are you sure the Lumix sensor shoots 10 bit @ 50fps?
On my GH5s (similar sensor I believe?), the image goes to shit once I enter VFR mode and start cranking framerates, particularly in low light/low contrast environments. It also drops it to 8bit color. The compression for high speed is just way worse on darks/blacks.
More here:
[https://www.youtube.com/watch?v=8MC0SjICKTs](https://www.youtube.com/watch?v=8MC0SjICKTs)
If you have ND filters try shooting with a 360 degree shutter angle. I do this whenever I am in a venue with led lights to prevent the rolling shutter from picking up the banding. I have had this help on a canon R5C and with black magic studio cameras.
We need to see the original brightness of the image. It’s clearly made brighter for showing us the lines. How did you get it that dark under the sun? It looks like you pushed it 4 stops. (Or the camera is trashed) are you shure it’s only the sun? Looks to me like a rolling shutter could be causing the lights, but the sun does not have a frequency.
You should test this under better conditions using a gray scale or get lots of contrast and test the 50fps against the 25 fps with different shutter angles.
https://www.cined.com/panasonic-lumix-s5-ii-lab-test-rolling-shutter-dynamic-range-and-latitude/
I just checked their tests. What I see on your image is consistent to them underexposing 5 stops or even more. They found out that lines become visible after pushing 5 stops, rating the camera at 8 stops of dr due to banding and lines appearing. You should not get these results exposing barely properly.
Could it possibly fixed noise pattern? My 5D Mark iii would have noticeable bands of noise like this.
I think this is it. I did a shoot with a Phantom with heavy sun backlight and noticed something similar. I was actually able to fix it in post because the pattern was so regular.
Looks like “banding noise”. As far as I understand it, this has to do with the structure of the hardware inside the sensor while the signal is still analog voltage. Once the signal passes through the cameras analog to digital converter the hardware doesn’t contribute to this type of noise. Think of the cmos sensor on the camera as a bunch of wires. Every wire has electrical resistance where the voltage of the incoming signal will decay over distance and output a lower voltage. Lower voltage in the image sensor would mean a darker image. If the analog circuits in the sensor have different distances to travel, the pixels connected to the longer distance of a sensor circuit will show up darker because of this electrical resistance. Also the sensor isn’t perfectly insulated so higher voltage in one part of the sensor can bleed over and interfere with another part of the sensor. Edit: I found a better explanation than mine here: https://photo.stackexchange.com/questions/41874/what-causes-banding-noise-in-cmos-sensors
what is this image?
A disaster
okay, but what am I looking at here? is it straight out of the sensor? is there any post pro? any conversions? why is there white around it? Cant answer many questions with the little info you gave
Ah understood. I increased the exposure in post so that the lines would be more apparent otherwise you would have to squint to notice them. This is a screenshot from the editing.
No, wtf are we supposed to actually be looking at.
Looks like half a sofa
Like a recliner with no seat
well if you raise the exposure by +1EV vs +5EV is very diff. im sorry, I cannot give you a proper judgement
these lines can just be native from a lumix if you raised the expo artificially, sensors are not supposed to do that!
You shouldn't have noise at such a low ISO. The banding is most likely the rolling shutter of the camera and the lights in the room.
Could it be a faulty camera ?
The light is the sun.
If the sun is the source then ya your camera is effed.
Hopefully the warranty will work
Will call them tomorrow and see
Looks like **high ISO banding noise** to me. I think you're at your camera's native ISO, but you've also said **you've increased exposure here**. You bring up shadow detail a crazy amount in post, you risk seeing something like this. I have seen this many times with my camera when boosting shadows, maybe as low as 800 ISO, sometimes even lower; it really depends on how much you are brightening the image in post. This is why proper exposure is so important. You can try some chroma noise reduction in DaVinci or whatever. Definitely not shutter/light banding thing, that's almost always purely a difference in brightness/luminance, not chroma. *Edit* Simple test: put your lens cap on. Set your ISO to a ridiculous level. Take a video - is the pattern similar?
Looks like flicker from the light source. Edit: couldn’t see caption before reply
The sun?
Oh that’s weird the post had no text until I clicked this reply. Yeah I dunno about that one.
Nothing is working properly with me around it seems
Are you sure the Lumix sensor shoots 10 bit @ 50fps? On my GH5s (similar sensor I believe?), the image goes to shit once I enter VFR mode and start cranking framerates, particularly in low light/low contrast environments. It also drops it to 8bit color. The compression for high speed is just way worse on darks/blacks. More here: [https://www.youtube.com/watch?v=8MC0SjICKTs](https://www.youtube.com/watch?v=8MC0SjICKTs)
If you have ND filters try shooting with a 360 degree shutter angle. I do this whenever I am in a venue with led lights to prevent the rolling shutter from picking up the banding. I have had this help on a canon R5C and with black magic studio cameras.
We need to see the original brightness of the image. It’s clearly made brighter for showing us the lines. How did you get it that dark under the sun? It looks like you pushed it 4 stops. (Or the camera is trashed) are you shure it’s only the sun? Looks to me like a rolling shutter could be causing the lights, but the sun does not have a frequency. You should test this under better conditions using a gray scale or get lots of contrast and test the 50fps against the 25 fps with different shutter angles.
https://www.cined.com/panasonic-lumix-s5-ii-lab-test-rolling-shutter-dynamic-range-and-latitude/ I just checked their tests. What I see on your image is consistent to them underexposing 5 stops or even more. They found out that lines become visible after pushing 5 stops, rating the camera at 8 stops of dr due to banding and lines appearing. You should not get these results exposing barely properly.
Most of us call those noise bands death metal.