August 18, 2017, 11:48:49 PM

Author Topic: Petapixel: 6D vs 6DII, high ISO  (Read 1378 times)

snoke

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Petapixel: 6D vs 6DII, high ISO
« on: August 15, 2017, 11:04:55 AM »
https://petapixel.com/2017/08/14/canon-6d-vs-6d-ii-heres-high-iso-noise-comparison/

Maybe this bias because earlier story?

Possible exposure wrong because histogram shape but that mean both photo wrong so why 6DII look worse?

Confused cameras? Other review agree?

Adobe need better camera profile?

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Petapixel: 6D vs 6DII, high ISO
« on: August 15, 2017, 11:04:55 AM »

Don Haines

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Re: Petapixel: 6D vs 6DII, high ISO
« Reply #1 on: August 15, 2017, 12:15:35 PM »
https://petapixel.com/2017/08/14/canon-6d-vs-6d-ii-heres-high-iso-noise-comparison/

Maybe this bias because earlier story?

Possible exposure wrong because histogram shape but that mean both photo wrong so why 6DII look worse?

Confused cameras? Other review agree?

Adobe need better camera profile?
The first thing that they need to do is AFMA their lens..... all the 6D2 pictures are horribly out of focus..... They should be taking the pictures with live view....
The best camera is the one in your hands

SecureGSM

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Re: Petapixel: 6D vs 6DII, high ISO
« Reply #2 on: August 15, 2017, 12:34:53 PM »
Key word: no noise reduction applied.
In reality though, the 6D II body high ISO advantage is in how well high ISO RAW files produced by the camera  respond to the noise reduction in post . Better noise quality for sure. Despite raw files may look noisier the final jpegs come out much cleaner looking in post.

Mikehit

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Re: Petapixel: 6D vs 6DII, high ISO
« Reply #3 on: August 15, 2017, 01:00:44 PM »
As far as noise is concerned the images are not being viewed at an equal size whihc puts the 6D2 at a disadvantage. And it hard to compare image detail when the 6D2 image is either OOF or suffering camera blur
The magenta cast is more of a concern, but it is at 25,600 when neither image is particularly usable.

These results go against examples I am seeing on other sites which calls into question Petapixel's methodology.

SecureGSM

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Re: Petapixel: 6D vs 6DII, high ISO
« Reply #4 on: August 15, 2017, 01:14:08 PM »
Mike, I do not detect any magenta cast in ISO test images provided by ephotozine:

https://www.ephotozine.com/article/canon-eos-6d-mark-ii-expert-review-31095/performance

The tonality of Colour swatches look natural to me even at ISO 25,600. I would not trust Petapixel's files too much. Something is not right there.


...The magenta cast is more of a concern, but it is at 25,600 when neither image is particularly usable. ..
These results go against examples I am seeing on other sites which calls into question Petapixel's methodology.

marcusdarmstrong

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Re: Petapixel: 6D vs 6DII, high ISO
« Reply #5 on: August 15, 2017, 05:55:50 PM »
Hi everybody, this is my first post and whatnot, been lurking for a while now, but hadn't really felt a need to add anything until now... as it happens this review is one that matters quite a bit to me as a somebody considering upgrading to the 6D Mark II (I'm a [very] amateur landscape and astro-landscape photographer).

But really, just wanted to add two notes...

1. It's very unlikely that the images being out of focus really means anything, as he almost assuredly would have been shooting in manual focus mode, as AF systems generally perform pretty horribly for astro stuff.

2. These aren't the work of petapixel, but rather a fairly respectable astrophotographer on his own blog: https://amazingsky.net/2017/08/09/testing-the-canon-6d-mark-ii-for-nightscapes/ (PetaPixel simply is syndicating his results a few days after he posted them).

timmy_650

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Re: Petapixel: 6D vs 6DII, high ISO
« Reply #6 on: August 15, 2017, 08:20:58 PM »
The result of the 25,600 of the 6Dm2 looks a lot worse then all of other test I have seen. It looks closer to the picture taken at 100 iso and pushed 5 stopped.

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Re: Petapixel: 6D vs 6DII, high ISO
« Reply #6 on: August 15, 2017, 08:20:58 PM »

Cory

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Re: Petapixel: 6D vs 6DII, high ISO
« Reply #7 on: August 15, 2017, 09:17:05 PM »
I keep speaking of the damage done to IQ by a tilting screen yet no one listens.
6D, 16-35 4.0 IS, 40, 135 2.0
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hbr

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Re: Petapixel: 6D vs 6DII, high ISO
« Reply #8 on: August 15, 2017, 09:34:35 PM »
I keep speaking of the damage done to IQ by a tilting screen yet no one listens.

Cory, I am not understanding this post. There is no IQ damage caused by the tilting screen and where have you mentioned this before?

Brian

Cory

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Re: Petapixel: 6D vs 6DII, high ISO
« Reply #9 on: August 15, 2017, 10:09:13 PM »
I keep speaking of the damage done to IQ by a tilting screen yet no one listens.

Cory, I am not understanding this post. There is no IQ damage caused by the tilting screen and where have you mentioned this before?

Brian
Friends don't let friends tilt their screens.
6D, 16-35 4.0 IS, 40, 135 2.0
430EXII, Induro AT113/Sirui K-20x, Sirui T-025x
https://www.twenty20.com/corsteiner/photos

hbr

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Re: Petapixel: 6D vs 6DII, high ISO
« Reply #10 on: August 15, 2017, 10:15:01 PM »
I keep speaking of the damage done to IQ by a tilting screen yet no one listens.

Cory, I am not understanding this post. There is no IQ damage caused by the tilting screen and where have you mentioned this before?

Brian
Friends don't let friends tilt their screens.

Too funny! :)

CanonFanBoy

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Re: Petapixel: 6D vs 6DII, high ISO
« Reply #11 on: Today at 08:57:18 PM »
I keep speaking of the damage done to IQ by a tilting screen yet no one listens.

Cory, I am not understanding this post. There is no IQ damage caused by the tilting screen and where have you mentioned this before?

Brian
Friends don't let friends tilt their screens.
You can't be serious.

Don Haines

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Re: Petapixel: 6D vs 6DII, high ISO
« Reply #12 on: Today at 10:01:08 PM »
I keep speaking of the damage done to IQ by a tilting screen yet no one listens.

Cory, I am not understanding this post. There is no IQ damage caused by the tilting screen and where have you mentioned this before?

Brian

This is a common misunderstanding.... a tilt screen has no effect on the IQ of an image, but it does cause the image to be tilted....
The best camera is the one in your hands

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Re: Petapixel: 6D vs 6DII, high ISO
« Reply #12 on: Today at 10:01:08 PM »