L
Re: 6D pattern on image?
Since it's only inside the sky, it looks like pattern in the aurora borealis to me, but then again I live well below the polar circle :-o ... I'd be very surprised if this would turn out to be a sensor issue.
Len_B said:
Since it's only inside the sky, it looks like pattern in the aurora borealis to me, but then again I live well below the polar circle :-o ... I'd be very surprised if this would turn out to be a sensor issue.
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davidcl0nel
Canon R5, 17 TSE, RF35+85 IS, RF70-200 4 IS, EF135
Re: 6D pattern on image?
This is usual, if you increase the darks for more than 4 aperture values. 5D3 has the same "problem".
Nikon seems to be better there, atm.
But I am ok with it...
This is usual, if you increase the darks for more than 4 aperture values. 5D3 has the same "problem".
Nikon seems to be better there, atm.
But I am ok with it...
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Re: 6D pattern on image?
Welcome to the forum Len.
Another Canon customer discovers his new camera is not perfect.
You're not alone.
A few of us found this issue to be so prevalent with certain types of shots we chose to not use Canon cameras for them.
YMMV
It's the commonly known weakness of canon cameras known as FPN, or Fixed Pattern Noise, and it's more of an issue in low iso shots, especially if boosting the exposure levels in post later.
FWIW, the 6D and 70D bodies are the least-affected contemporary bodies, so it could be worse.
You'll find a lot of ardent discussion on this forum about this issue disguised as DR or dynamic range.
EDIT: you'll find a very active one right here
http://www.canonrumors.com/forum/index.php?topic=22999.0
Welcome to the forum Len.
Another Canon customer discovers his new camera is not perfect.
You're not alone.
A few of us found this issue to be so prevalent with certain types of shots we chose to not use Canon cameras for them.
YMMV
It's the commonly known weakness of canon cameras known as FPN, or Fixed Pattern Noise, and it's more of an issue in low iso shots, especially if boosting the exposure levels in post later.
FWIW, the 6D and 70D bodies are the least-affected contemporary bodies, so it could be worse.
You'll find a lot of ardent discussion on this forum about this issue disguised as DR or dynamic range.
EDIT: you'll find a very active one right here
http://www.canonrumors.com/forum/index.php?topic=22999.0
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Re: 6D pattern on image?
I disagree with the other contributors, the region you marked has nothing to do with fpn. There is some pattern noise there, but hardly "fixed" as the 6d is Canon's camera with the best performance in this area and only has lines vs. the 5d3's cross pattern. Rule of thumb except for astro shots: If you see fpn, check your exposure and ettr, you shouldn't need to raise shadows that much.
Unfortunately you've killed the exif data from the shot, but if it was taken at lower iso you can improve shadow performance significantly by using Magic Lantern. Last not least, the shot looks way underexposed to me, but again there's no telling w/o the uncooked image.
Len_B said:
I disagree with the other contributors, the region you marked has nothing to do with fpn. There is some pattern noise there, but hardly "fixed" as the 6d is Canon's camera with the best performance in this area and only has lines vs. the 5d3's cross pattern. Rule of thumb except for astro shots: If you see fpn, check your exposure and ettr, you shouldn't need to raise shadows that much.
Unfortunately you've killed the exif data from the shot, but if it was taken at lower iso you can improve shadow performance significantly by using Magic Lantern. Last not least, the shot looks way underexposed to me, but again there's no telling w/o the uncooked image.
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Re: 6D pattern on image?
I would try and find it in another shot dark say of a lit cityscape or over a freeway... see if you can recreate the flaw elsewhere before getting antsy. Looks like a normal part of the image but could go either way...
Is it on the prior and following pics...
I would try and find it in another shot dark say of a lit cityscape or over a freeway... see if you can recreate the flaw elsewhere before getting antsy. Looks like a normal part of the image but could go either way...
Is it on the prior and following pics...
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Re: 6D pattern on image?
What settings did you use for your shot?
Could you have gotten a better exposure, i.e. Longer shutter speed or Wider aperture?
What settings did you use for your shot?
Could you have gotten a better exposure, i.e. Longer shutter speed or Wider aperture?
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Re: 6D pattern on image?
the red circle you drawn is just light strokes.
the lifted up image shows some banding wich is absolutely normal using high ISO. It may even appear with no post on 25600 iso on 6D sometimes.
the red circle you drawn is just light strokes.
the lifted up image shows some banding wich is absolutely normal using high ISO. It may even appear with no post on 25600 iso on 6D sometimes.
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