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I noticed marking on my photograps, not disimilar to the branches of trees, appearing in the top right hand corner of each picture. As it appears with either of two lenses I concluded that it must be on the sensor. On examination some marking on the sensor can be seen, so I purchased a cleaning kit (Digipad) and attempted to clean the sensor. The marking is however still there. Has anyone else experienced this? I am at a loss to understand how the sensor is or maybe damaged in any way. Any advice would be most welcome. The camera is a Canon 350D.
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I'd double check the mirror box and the area around the sensor. It sounds like you may have a hair towards the side. Remember that the mirror means that the image is upside down when it reaches your sensor, so you're looking at the bottom right. But it definitely sounds like a hair, and if it's doesn't have really crisp edges at a high aperture, it's not directly on the sensor's cover glass.
PS. Don't expect to get everything off your sensor (people have gone mad trying).
I'm wondering whether the markings you see on the sensor may be fungus. If cleaning the sensor doesn't remove the marks then it might be between your sensor cover and sensor. Just a guess.
Might be a good idea taking it somewhere to have it checked out.
Are you able to take a photo of it and post it on the forum for us to look at?
I hope this has uploaded correctly, I was expecting to see the photo! Picture taken of clouds but "marks" can clearly be seen at top right hand side.
That looks really weird. If it was a crack I would expect it to radiate from one point but that seems to be all over the place. It seems to be in two layers so maybe it is something on/within the layer that they cover the actual sensor with.
You definitely have a couple of spots that need cleaning, though.
I would send it for a service.
Thanks mikehit, it is strange, looks like I will indeed have to send the camera away for profesional "cleaning"
Maybe condensation? Looks like water ingress.
take a photo of something pure white and post that on here - just make sure it doesn't totally burn out
Biz-ZAH. The 'branches' are so clearly defined! The thin legs do remind me of fungal threads...but I wouldn't have expected them to be so defined. The broader branches are more puzzling. Thin ones beneath sensor cover and broad ones outside, maybe?
All guesses from me, I'm afraid.
Best to get it properly looked at.
I saw something similar to this on a friend's old 5D.
He had used to much liquid on his pad when cleaning the sensor and it got between the surface filter and the sensor
Unfortunately for him he had to have a new sensor fitted, so I hope this isn't the case here
Thanks Chiliman and brian1208. The problem was there before I attempted to clean it with the proper solution and pads, so I have decided to arrange for a professional clean.
Thank you to everyone who kindly offered opinions as to the cause.
that sounds good, lets hope its just needing a professional clean then
All the best with the sensor, Moss
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