topic Re: Canon EOS R6 mark 2 raw files noisy and grainy. in EOS DSLR & Mirrorless Cameras

Canon EOS R6 mark 2 raw files noisy and grainy.

Terry_R6mk2 — Tue, 16 Jan 2024 19:57:16 GMT

(fyi-I have open this new discussion as a reference point)

Seems like I am having the same issue with the grainy photos, I shoot in raw, for wildlife (birds) in flight I shoot manual, auto ISO with shutter speed above 1200 for eagles, ducks and 5000 for hummingbirds. The shots look clear and clean when taking them and even after in the camera but when downloaded to my PC, it shows as below, even after processing in lightroom, it still does not look as sharp as should be.

Using Canon EOS R6 mk2 with Sigma 150mm - 600mm contemporary glass.

Not sure why the raw is so grainy, anyone having the same issue?

Re: Canon EOS R6 mark 2 raw files noisy and grainy.

Danfaz — Tue, 16 Jan 2024 00:35:11 GMT

ISO 25,600 most likely. Looks good in camera because it's applying noise reduction.

Re: Canon EOS R6 mark 2 raw files noisy and grainy.

Tronhard — Tue, 16 Jan 2024 00:40:19 GMT

Why have you opened up a new discussion - "as a reference point" is not very explanatory, what will likely happen is that you get two concurrent broken conversations with folks getting confused between the two. Strongly encourage you to delete this duplicate thread and stick to your original.

Re: Canon EOS R6 mark 2 raw files noisy and grainy.

johnrmoyer — Tue, 16 Jan 2024 14:02:19 GMT

@Tronhard wrote:
Why have you opened up a new discussion - "as a reference point" is not very explanatory, what will likely happen is that you get two concurrent broken conversations with folks getting confused between the two. Strongly encourage you to delete this duplicate thread and stick to your original.

Original is sometimes hard to find after moderator moves it.

https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/EOS-R6-RAW-Images-Consistently-Turning-Out-Noisy-Grainy/m-p/456652#M110350

Re: Canon EOS R6 mark 2 raw files noisy and grainy.

ebiggs1 — Tue, 16 Jan 2024 15:54:23 GMT

"ISO 25,600 most likely" Not most likely, it is absolutely the reason.

This is one of the problems of using a lens at f11. Selecting f8 and 1/1600 (which should easily be fast enough SS) would permit the ISO to be lowered to 6,400. One of the 150-600mm super zooms could likely permit an ISO of 3200 or nearly anyway.

If you shoot raw and have Photoshop, have you tried color noise reduction in the Camera Raw filter?

Re: Canon EOS R6 mark 2 raw files noisy and grainy.

wq9nsc — Tue, 16 Jan 2024 18:54:16 GMT

I agree with Ernie that given the lighting conditions (and aperture limitations), you need to drop the shutter speed. 1/1600 is fast enough to freeze the subject motion and you would probably be OK at 1/1000 for many captures.

Attached eagles were captured with 1DX II and III bodies with EF 400 f2.8 and EF 800 f5.6 glass using 1/1600 shutter speed. Had lighting conditions required, I wouldn't have hesitated to drop down to 1/1000 or 1/800 as needed.

Rodger

1DX II, EF 400 f2.8 +1.4x, f5.6, 1/16001DX II, EF 400 f2.8 +1.4x, f5.6, 1/16001DX III, EF 800 f5.6, f6.3, 1/6001DX III, EF 800 f5.6, f6.3, 1/1600

Re: Canon EOS R6 mark 2 raw files noisy and grainy.

Terry_R6mk2 — Tue, 16 Jan 2024 19:45:12 GMT

Yes, I think you hit the nail on the head, my shutter was a bit to high.

Much appreciated.

Re: Canon EOS R6 mark 2 raw files noisy and grainy.

Terry_R6mk2 — Tue, 16 Jan 2024 19:46:55 GMT

I think that you are right, I will test it again.

much appreciated.

Re: Canon EOS R6 mark 2 raw files noisy and grainy.

Terry_R6mk2 — Tue, 16 Jan 2024 19:50:10 GMT

I limited the auto ISO to 6400 and will continue to test it up and down.

much thanks

Re: Canon EOS R6 mark 2 raw files noisy and grainy.

Danfaz — Tue, 16 Jan 2024 19:59:16 GMT

Cool, let us know if it helps!

Re: Canon EOS R6 mark 2 raw files noisy and grainy.

daphnemac — Thu, 18 Jul 2024 17:35:38 GMT

I have the same lens and same issue

Re: Canon EOS R6 mark 2 raw files noisy and grainy.

Terry_R6mk2 — Thu, 18 Jul 2024 17:57:29 GMT

I lowered my auto ISO in the menu and took more shots, they were much better but Canon need to fix that thing about what we see it clean and sharp in the camera review as to what comes out on the computer which has a measure of blur.

Re: Canon EOS R6 mark 2 raw files noisy and grainy.

Peter — Thu, 18 Jul 2024 20:05:59 GMT

Start a new thread and share some raw files.

Re: Canon EOS R6 mark 2 raw files noisy and grainy.

TomRamsey — Thu, 18 Jul 2024 20:44:26 GMT

Your ISO is too high, it may be 'OK' for a subject tight in the frame on a brighter day, but the noise is too much.

A lot of photos may look better on the camera screen than they will on the bigger computer screen. Zoom in on your review and it may not look so good. Many photos look good on the camera screen, that's why so many phone photos look great on the phone.

Re: Canon EOS R6 mark 2 raw files noisy and grainy.

Terry_R6mk2 — Thu, 18 Jul 2024 22:27:43 GMT

Hey Trevor-I was new to this site and feeling my way around at the time.

Re: Canon EOS R6 mark 2 raw files noisy and grainy.

Tronhard — Fri, 19 Jul 2024 04:53:00 GMT

No problem - it wasn't a criticism, but intended to reduce confusion - one gets people reading one thread and answering another, and all sorts of other cross-talk confusion. I know this site takes a bit to get used to!🙂
On the subject of noise:
Inevitably, a RAW file will show more noise and less dynamic range than, say, a JPG file. That said, with respect, I can only agree with the comments that your ISO values are too high, in order to achieve what seems to me to be an unnecessarily high shutter speed. For the static image in particular, you could get away with a shutter speed in the area of 1/200 sec, that would give you 3 stops of light that can reduce the ISO from 25,600 to 3,200 which would make all the difference. In my shots, I don't have the same lens as you, but the settings are relatable.
For example, this shot was taken in extremely dim light, and despite that there is essentially no noise. Part of this is the other settings that allow a lower ISO, and part is slightly brighter exposure setting to reduce under-exposure and thus noise from that source. Both shots taken in available light, hand-held. The originals were RAW and processed in Photoshop using default lens corrections, possibly cropped, and file is resized for posting here as JPG files.
Taieke: R6II, RF200-800@400mm, f/8, 1/50sec, ISO-6400
This second image, also in very dim light also shows little noise, and that is the older original R6.
Kea: R6, RF 200-800@742mm, f/9, 1/100sec, ISO-1600