Can anyone tell what's wrong with my 6D ? (sample image included)

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When I first got my 6D (used) a couple of years ago, the images were fine - no unusual vignetting, and no odd streaks in the images.

Now, when I use my 6D, the images have an extremely dark, heavy vignette on the right side of the frame, no matter what lens I am using and no matter what aperture I am shooting at.

Some of the images also have a white or nearly white horizontal streak on the right side of the frame. . But some images do not have this streak. . The presence of the streak seems to be random, as it appears, or doesn't appear, regardless of what lens I use, what aperture I use, and also regardless of what type of scene I am shooting (bright, dark, blue, brown, etc).

I'm not really looking for guesses or speculation as to what people think it might possibly be. . I am seeking more informed diagnosis, from people who are pretty sure they know what it is, based on expertise and/or experience.

Also, I don't really have any interest in fixing this problem or paying to have it looked at by a repair facility. . I will either keep using it the way it is, or sell it the way it is. Not looking to fix the problem, just wanting to satisfy my curiosity. . I am already aware that I can send it in to Canon to find out for sure what the problem is, but I have no interest in doing so.

Here is an SOOC image that shows the heavy vignette on the right side (which is present in every image I shoot with the camera) and the white streak (which only shows up in some images, albeit quite randomly).

I remember another member posting a similar problem. I think the consensus was a failing shutter .

trekgod3 wrote in post #18976145
I remember another member posting a similar problem. I think the consensus was a failing shutter .

A failing shutter would produce a dark horizontal band, not a vertical one.

Is there a chance that your shutter leaves have caught an object that the transport vertically?

Tom, remove the lens and go to manual sensor cleaning and inspect the shutter leaves, if you haven't done it already.

Good luck!

I would use new cf\sd card to eliminate the card as the problem.
Good luck.

MakisM1 wrote in post #18976445
A failing shutter would produce a dark horizontal band, not a vertical one.

depends - if a leaf gets a broken rivet, it can rotate around & position itself at all sorts of odd places.
As you say, take the lens off & try a few long exposure shots and a few mirror lock-up shots to see if there is any obvious mechanical issue.
Often a broken leaf will be very obvious but sometimes they aren't - my 1D2 shutter looked normal until I took it out.

The white streak on right hand side of the frame would be consistent with a leaf rivet broken however (the left-hand end of the leaf flops around and doesn't quite cover the sensor when it should)

MakisM1 wrote in post #18976445
A failing shutter would produce a dark horizontal band, not a vertical one.

Is there a chance that your shutter leaves have caught an object that the transport vertically?

Tom, remove the lens and go to manual sensor cleaning and inspect the shutter leaves, if you haven't done it already.

Good luck!

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Thanks for the tip. . I'll give it a try.

But I have to be honest, I have no idea what any of the parts inside of a camera look like, and don't know that I'll be able to tell what the shutter is, what the shutter leaves are, etc. . Heck, until I read your post I had no idea that a shutter even had something called leaves.

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guyp_97007 wrote in post #18976485
I would use new cf\sd card to eliminate the card as the problem.
Good luck.

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Thanks for the idea, but this happens with all three of the different cards that I swap out, so I know that the cards are not the problem.

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Tom Reichner wrote in post #18976563
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Thanks for the tip. . I'll give it a try.

But I have to be honest, I have no idea what any of the parts inside of a camera look like, and don't know that I'll be able to tell what the shutter is, what the shutter leaves are, etc. . Heck, until I read your post I had no idea that a shutter even had something called leaves.

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Tom, you might want to watch https://www.youtube.co​m/watch?v=6x_YXj0vWVM to learn the nomenclature of a shutter (specifically a 60D shutter).

Tom Reichner wrote in post #18976563
I have no idea what any of the parts inside of a camera look like, and don't know that I'll be able to tell what the shutter is, what the shutter leaves are, etc. . Heck, until I read your post I had no idea that a shutter even had something called leaves.

This amazes me, knowing what a good photographer you are, but here we go. Leaves are the thin flaps or blades that part to make a hole when the shutter opens and rejoin when it shuts. (Illustration of why it's called a shutter is provided at no extra charge.) They correspond functionally to the iris of the eye, which controls pupil size by muscular action.

John from PA wrote in post #18976578
Tom, you might want to watch https://www.youtube.co​m/watch?v=6x_YXj0vWVM to learn the nomenclature of a shutter (specifically a 60D shutter).

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Thank you for that. . The part at the end is where he shows the shutter in slow motion (at least I think it's slow motion).

Unfortunately, when I take my lens off and enable manual sensor cleaning, as suggested above by Gerry in post #3, the mirror moves out of the way so that I can see the sensor, but I can't see anything that looks like the shutter in the video. . I'm certainly not seeing anything with "leaves" like I see in the video.

For whatever reason, when I do what was suggested, the shutter doesn't seem to be visible at all. . All I see is the sensor itself - whatever else is there is all tucked away and out of view.


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John from PA wrote in post #18976578
Tom, you might want to watch https://www.youtube.co​m/watch?v=6x_YXj0vWVM to learn the nomenclature of a shutter (specifically a 60D shutter).

Thanks for posting that! The speed at which those mechanical things are happening in a x FPS burst are mind boggling.

OhLook wrote in post #18976580
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This amazes me, knowing what a good photographer you are .....
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Well, I guess I'm like a race car driver that just likes to drive, and doesn't know (or want to know) anything about engines or wheels or whatever.

While I have an intense, life-consuming interest in the animals that I photograph, I have almost no interest at all in the gear that I use to take the pictures. . Cameras and lenses are just not interesting to me. . Heck, nothing mechanical or electronic is interesting to me.

The only time I care is when something goes wrong and starts to affect the photographs themselves. . So now I am forced to learn about something that I really don't care about. . Ugh.

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It's not a card but I agree with others that the shutter is sticking creating that light spike on the right edge of the frame. Can't tell if it's the first or second curtain but I'm pretty certain it's one of them. This video shows the curtains a little clearer. It will be almost impossible to see without a slo-motion camera though. The curtains move out of the way really quickly. You won't see them in manual cleaning mode either as the camera flips up the mirror but also opens the shutter. You can remove the lens and put the camera in mirror lock up mode, then click once to lift the mirror and click the second time to activate the shutter. It's over very quickly though, like 1/200th of a second so I don't know what yo are going to see.

Yeah, you aren't going to see the shutter in a mode in which it's moving. If it's issues with the blades themselves, perhaps you can carefully pull up the mirror and see if there's any visual evidence of an awry blade. I find it's not too hard to be careful and only apply pressure on the outer frame of the mirror: the angle at the bottom of the mirror near the contacts. From there, I can safely push the mirror up as I'm applying pressure to a fairly substantial frame and not touching sensitive surfaces. Special care should be taken...as both the mirror and underside are sensitive surfaces/areas and best not to touch. Then, of course, the problem with the shutter might not be evident from this view. To be really safe, it doesn't hurt to get it looked at.

davesrose wrote in post #18976757
Yeah, you aren't going to see the shutter in a mode in which it's moving. If it's issues with the blades themselves, perhaps you can carefully pull up the mirror and see if there's any visual evidence of an awry blade. I find it's not too hard to be careful and only apply pressure on the outer frame of the mirror: the angle at the bottom of the mirror near the contacts. From there, I can safely push the mirror up as I'm applying pressure to a fairly substantial frame and not touching sensitive surfaces. Special care should be taken...as both the mirror and underside are sensitive surfaces/areas and best not to touch. Then, of course, the problem with the shutter might not be evident from this view. To be really safe, it doesn't hurt to get it looked at.

No need to force the mirror up. It is a bit risky and unnecessary. Just use mirror lockup and press a single time. It will move the mirror for you thus avoiding having to force it up. I think it stays up for something like 20~30 seconds before resetting.