topic Canon R6 Sensor Banding? in EOS DSLR & Mirrorless Cameras

Canon R6 Sensor Banding?

ArolfM — Sat, 15 Oct 2022 13:05:26 GMT

Shooting in C-Log, Canon RF 24-70 2.8, ISO: 400 SHUTTER: 1/125

Re: Canon R6 Sensor Banding?

Waddizzle — Sat, 17 Jul 2021 20:37:09 GMT

If this is a screenshot from social media, then I would not use this as a metric for image quality. Banding is most often caused by heavy image processing of [JPG] files, something which is standard practice in social media.

Re: Canon R6 Sensor Banding?

ArolfM — Sat, 17 Jul 2021 17:22:42 GMT

Sorry about this lack luster of a post, I have provided some info. This was a video shot in CLOG, 4K 60 slowed down to 24fps, also used a Tiffen BPM 1/4 diffusion filter. All the lighting was natural no light bulbs in this shot, just the window lighting. I just noticed this now with some specific shots with back lighting, I don't know if it's a sensor issue with the 4K over sampling or how I might be grading the CLOG footage but I have everything corrected.

Re: Canon R6 Sensor Banding?

Waddizzle — Sat, 17 Jul 2021 20:30:40 GMT

@ArolfM wrote:
Sorry about this lack luster of a post, I have provided some info. This was a video shot in CLOG, 4K 60 slowed down to 24fps, also used a Tiffen BPM 1/4 diffusion filter. All the lighting was natural no light bulbs in this shot, just the window lighting. I just noticed this now with some specific shots with back lighting, I don't know if it's a sensor issue with the 4K over sampling or how I might be grading the CLOG footage but I have everything corrected.

If it does not happen all of the time, under all circumstances, then the issue could [not] be the sensor. Could it?

Re: Canon R6 Sensor Banding? Shooting in C-Log, Canon RF 24-70 2.8, ISO: 400 SHUTTER: 1/125

ArolfM — Sat, 17 Jul 2021 17:37:37 GMT

I don’t know yet, I have gone on Reddit and one redditor said that it was my way of bringing up the shadow details in CLOG and that showed the “banding”

Re: Canon R6 Sensor Banding? Shooting in C-Log, Canon RF 24-70 2.8, ISO: 400 SHUTTER: 1/125

Waddizzle — Sat, 17 Jul 2021 17:41:29 GMT

@ArolfM wrote:
I don’t know yet, I have gone on Reddit and one redditor said that it was my way of bringing up the shadow details in CLOG and that showed the “banding”

Again. Logic says if it only happens some of the time, then problem is not the sensor, or the entire camera for that matter.

As I said above, banding comes from over processing of images.

Re: Canon R6 Sensor Banding? Shooting in C-Log, Canon RF 24-70 2.8, ISO: 400 SHUTTER: 1/125

jrhoffman75 — Sat, 17 Jul 2021 18:45:16 GMT

"bringing up the shadow details"

Some of the banding pattern in the area you enclosed appears to follow the shape of the person's hair pattern; light and dark pattern of how the hair laid and the lighting on it.

Depending on the shooting conditions there may be little or no details in the shadow area. Brightening the shadows won't add data where there is none, so that is a likely explanation by the redditor.

Re: Canon R6 Sensor Banding? Shooting in C-Log, Canon RF 24-70 2.8, ISO: 400 SHUTTER: 1/125

mixist — Thu, 19 May 2022 14:51:33 GMT

This EXACT type of banding happened to me just yesterday and I'm reviewing files today. Same R6 shadow banding in 4k60, outdoor shoot (no artificial lighting). The only thing I can really do is crush the shadows. Anyone else see this issue? The included screenshot is a person walking away from the camera and falling out of focus intentionally, which is a condition that apparently emphasizes the sensor banding.

Re: Canon R6 Sensor Banding? Shooting in C-Log, Canon RF 24-70 2.8, ISO: 400 SHUTTER: 1/125

battissimo — Thu, 26 May 2022 14:40:49 GMT

I have a R6 for a month and I noticed the same issue. I wrote to canon service and they told me it's NOT an issue of the camera, since this problem is also described in the manual (in my language it's on page 318, under "Canon LOG settings"). Very disappointed...

Re: Canon R6 Sensor Banding? Shooting in C-Log, Canon RF 24-70 2.8, ISO: 400 SHUTTER: 1/125

franzbato — Sat, 15 Oct 2022 00:04:44 GMT

Mine is so bad too, ive only noticed it when I started using CLOG 3 (iso 800)

Heres what I found from Canons manual, I'm waiting for Canon to get back to me.

Re: Canon R6 Sensor Banding? Shooting in C-Log, Canon RF 24-70 2.8, ISO: 400 SHUTTER: 1/125

franzbato — Wed, 19 Oct 2022 03:51:30 GMT

This is the reply i got from Canon

The purpose of using Log is to obtain the widest dynamic range as much as possible and as much information recorded as possible. In some cases banding may be recorded in low light areas which is your case. This is normal. The sample videos you sent has extreme contrast subjects (back light from window against dark clothes). Since the camera has to get the details from both extremes, banding/noise is recorded which is unavoidable. This is normal for log recordings. These may apply for other modes if the conditions are extreme. Like RAW, video recorded in Log usually needs to be graded (processed). This can be done by editing software such as Adobe premier Pro or Final cut pro X. If grading is not convenient then use other Gammas other than Log (Turn off Clog).

Re: Canon R6 Sensor Banding?

Docherty — Sat, 12 Nov 2022 02:55:35 GMT

FINALLY someone else is talking about this!!!

I find this subject so hard to believe. I realize I am late to the party on this topic...but my R6 and R7 has been bothering me in regards to this banding issue. I have contacted Canon about my struggles and have yet to hear anything back after nearly 6 weeks.

I was at a professional workshop in the Salt Flats exposing my subjects to +2.0EV and STILL had banding occurring in the shadows and blacks. I discussed in detail with many high end videographers and they all agree this is a fundamental issue with the camera and not the user. Many of my fellow videographers who filmed the exact same location with me but with different brand cameras had zero banding in their image...

The biggest drawback to all of this...I avoid shooting Log and don't get my 10-bit colour because of that. Why on earth did I pay such good money for a camera that is supposed to shot 10-bit 4k60 when all it does is overheat in 4k and give me horizontal banding in Log.

Disappointing to say the least.