HI there, Any one have any examples of this:

Link to Canon Australia Site

Is it a real issue? A Halloween joke?

Look real to me... Cr@p

It's included, with a sample, in this thread of known 7D problems: http://www.fredmiranda.com/forum/topic/828760

Canon USA also reporting a service note.

I REALLY want to believe it's about a "firmware only" fix.

Sorry guys, but it's a shame.
Just cancelled my BH order. I am too far away for a return/recall if needed.
Let's wait to see if it's just about a firmware fix, if ok, I'll get one near future.

I "ALMOST" ordered it last night. Will wait and see what this is all about now!

Canowned

cbfabbri wrote:
Canon USA also reporting a service note.


Could you provide a link ?

Yes, sure.



http://www.usa.canon.com/consumer/controller?act=PgComSmModDisplayAct&fcategoryid=139&modelid=19356&keycode=2112&id=60427

I just noticed this on one image I took this weekend. High speed burst of a crow attacking a white-tailed kite and there was dark silhouette of the crow still visible on the blue sky of the following frame. Annoying but easy to clone out.

cbfabbri wrote:
Yes, sure.


http://www.usa.canon.com/consumer/controller?act=PgComSmModDisplayAct&fcategoryid=139&modelid=19356&keycode=2112&id=60427

Thank you.

Let me guess... you have to push the exposure at least two stops in DPP in order to see it...

I'm surprised Canon isn't blaming it on Adobe's Beta converter... lol

Glad I have trained myself to wait until the dust settles before purchasing a new body

molson wrote:
Let me guess... you have to push the exposure at least two stops in DPP in order to see it...

Plus max out contrast and crush the levels controls.

I regularly abuse my files, but didn't see this ghosting until I heard about it, and really trid to find it.

It will be of academic interest to me (since I am an engineer) to see what Canon eventually does to fix it.

These are two consecutive frames, so you can see what we are talking about in terms of contrast enhancement to get the ghost out in daylight

alundeb wrote:
I regularly abuse my files, but didn't see this ghosting until I heard about it, and really trid to find it.

It will be of academic interest to me (since I am an engineer) to see what Canon eventually does to fix it.

These are two consecutive frames, so you can see what we are talking about in terms of contrast enhancement to get the ghost out in daylight


- if you look hard enough you will all kind of weird things. Thanks for posting the images that really put the problem in better perspective . It just shows that this can easily be blown our of proportion . Again, I am not downplaying the problem and Canon better get this taken care of this issue with the next firmware update.

Is the firmware mod going to be a true fix or just some code to cover it up?
B'cos maybe it is some kind of hardware defect that can't be truly fixed. I'm a firmware engineer and a big part of the job is covering up for deficiences in the hardware that arise after the product is designed and built, and/or shipped.

When I say code to cover it up, an example would be a 'feature' that blocks you from taking another picture until the hardware goes back to normal, or a fix that ends up degrading the quality of shots that would be otherwise affected, etc.

Access wrote:
Is the firmware mod going to be a true fix or just some code to cover it up?
B'cos maybe it is some kind of hardware defect that can't be truly fixed. I'm a firmware engineer and a big part of the job is covering up for deficiences in the hardware that arise after the product is designed and built, and/or shipped.

When I say code to cover it up, an example would be a 'feature' that blocks you from taking another picture until the hardware goes back to normal, or a fix that ends up degrading the quality of shots that would be otherwise affected, etc.

Only Canon can answer your question, of course. If Canon would disable the continuous shooting function on that camera, then they would deserve a class action lawsuit.

Now, where do you work again ?

Access wrote:
Is the firmware mod going to be a true fix or just some code to cover it up?
B'cos maybe it is some kind of hardware defect that can't be truly fixed. I'm a firmware engineer and a big part of the job is covering up for deficiences in the hardware that arise after the product is designed and built, and/or shipped.

When I say code to cover it up, an example would be a 'feature' that blocks you from taking another picture until the hardware goes back to normal, or a fix that ends up degrading the quality of shots that would be otherwise affected, etc.

Hard to tell.
Since the ghosting appears only at shutters speeds faster than 1/500, it makes me guess that it has something to do with too short discharge times between exposures for the sensor, and the discharge time is programmable and linked to the exposure time somehow. In that case a firmware fix could be a true fix.

Hard to tell how they are going to solve it.
Anyway i did a test indoor. Just shot multiple fotos from a light with manually exposure. So I have a high contrast between the light and the background.
I put it at iso 1600 with f/4 and a shutter of 1/4000. I set the noise reduction of, as also the highlight priority. So I could obtain the 8 frames per second and I didn't countered any problems so far. I shot both in jpeg and raw and dit some extreme editing in LR. Anyway I found nothing. No ghost images, just lot of noise in the blacks

Here is a set of 5 images.

http://users.telenet.be/marc_photography/7D-ghosts/

So it must be in some circumstances

EDIT : I did another test with ISO 200 and so I found no issues regarding these ghost images. I don't know if it matters, I have firmware 1.0.9

AGeoJO wrote:
Only Canon can answer your question, of course. If Canon would disable the continuous shooting function on that camera, then they would deserve a class action lawsuit.

Not disable it all together, just slow it (continuous shooting) down enough in circumstances where it could occur such that it doesn't occur anymore. For example, it may go from a true 8fps (frames / second) camera to a true 7fps or 6fps camera.