6D Top Focus Point Light Bleeding Issue

[604FF]

Hi all 6D owners,

I just noticed that when the top focus point is lit, there is some very noticeable light bleeding around that focus point. I wonder if any of your 6D has the same issue.

Thanks.

 

[604FF]

Here is how it looks like. I was able to capture it via the viewfinder using my phone. Note the area above the top focus point:

 

[georgeones]

I have same problem , only with this point , other points are fine

 

[604FF]

Thanks for confirming georgeones!

I wonder if others have the same issue? If so, then this could be due to a design flaw and I'm not sure how Canon can fix it without replacing some hardware.

I hardly ever use that point... but bleeding is a defect

 

[Mt Spokane Photography]

What problem does it cause? Does it affect anything?

 

[jayarh]

my 6d has the same issue

 

[604FF]

What problem does it cause? Does it affect anything?

When you are using that focus point and when it lights up, it partially masks that area of your framing. It is nothing more than a visual annoyance but it is annoying and shouldn't be there.

I certainly didn't expect a new FF camera to have this type of bleeding issue. My old rebels and 60D never had this issue.

 

[georgeones]

Until now i didn't observed any issue cause by this , only visual

 

[Area256]

Mine has it too. I noticed it on the first day, and then promptly forgot about it. It's hardly a bit deal. The camera won't meter when the lights are on, so it isn't likely to effect anything.

 

[Drizzt321]

Here is how it looks like. I was able to capture it via the viewfinder using my phone. Note the area above the top focus point:

Not to worry. I'm an expert for this job. Red or Black? ;D ;D ;D

This is sounding more and more like the 5d3 light leak 'issue', that wasn't really an issue. Only thing I can think this would affect is metering, and that's if the light stays on and it's low light. Maybe some light leaking from the view finder down into the sensor, but it'd have to be a pretty long exposure with very low light for that. If it stays on.

 

[RustyTheGeek]

Umm... No. This is a reflection in the viewfinder area where the focusing screen and focus points exist, not the sensor area. Verify this by seeing if the problem exists in liveview. Wait, those points don't show up in live view because....

 

[Drizzt321]

Umm... No. This is a reflection in the viewfinder area where the focusing screen and focus points exist, not the sensor area. Verify this by seeing if the problem exists in liveview. Wait, those points don't show up in live view because....

Right, but the light can, possibly get through the AF partial-mirror on the main mirror and hit the sensor. On a fast exposure or with lots of light it likely won't make a difference, but in a long exposure (>1sec) it may. Also, it may affect metering, if the red light doesn't turn off when the camera determines the final metering when the shutter button is pressed.

 

[Loswr]

Right, but the light can, possibly get through the AF partial-mirror on the main mirror and hit the sensor. On a fast exposure or with lots of light it likely won't make a difference, but in a long exposure (>1sec) it may.

The AF illumination light would be shut off during the exposure anyway.

 

[tomscott]

I had this on my 350D but on the right one... was quite annoying took it to canon, no fix.

 

[EYEONE]

Even if the light was on during an exposure there is no way that little amount of extra light would affect the exposure. If that was enough light to throw off the exposure then the the AF point light would already be throwing it off. But, as neuro said, the lights are off then anyway.

I don't see this as an issue aside from the possible annoyance.

 

[Botts]

Confirmed on my 6D.

Not too concerned. It's more of a minor annoyance.

Now that 604FF pointed it out I'm going to notice it every time though

 

[RLPhoto]

It's the curse of the 5D2 sequel.

 

[Deleted member 91053]

Looks to me like it is just an internal reflection, as such it shouldn't show on the image. Annoying but not a matter of concern.

 

[skitron]

I never really noticed anything for the short while I had a 6D but I immediately noticed this 5D3 flashes a dim red in the entire viewfinder from the reflections when it confirms in low light. Kinda pointless to make an issue out of it since it doesn't affect anything picture wise.

 

[RustyTheGeek]

Confirmed on my 6D.

Not too concerned. It's more of a minor annoyance.

Now that 604FF pointed it out I'm going to notice it every time though

Ditto. I noticed it too but since I mostly use the center AF point, I'll never see it. Not a concern for me.

If it totally ruins your day, dissassemble the camera and get some black tape or black spray paint and experiment with masking part of the pentaprism until you block the reflection. Let us all know how it goes.