Question about Canon EOS-20D Digital Camera

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Spots on my images

I keep getting little grey spots on my images in the sky or other plain background. This does not always occur, and is more common with a wide angle lens.

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  • 69fasty Apr 13, 2008

    Multiple grey spots usually seen in clear, even white backgrounds.

  • saify Jun 10, 2008

    i have a canon power shot tx1 digicam. i have been using it since past 3 months. once the camera got heated to slightly higher temperature then normal. sice then i have found light and dark spots on the images and videos shot using the camera. suggest some email ID is



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This is a sensor cleaning issue. Our shop does it for $65, the cleaning kits you buy are about $75. If you try to clean yourself go ONE DIRECTION ONCE, OTHER DIRECTION ONCE. Then wait, test shoot the sky or something light colored, and redo if necess. Over cleaning will damage your sensor! Canon charges about $100 to do it, might be worth the money not to do it yourself.

Posted on Aug 18, 2008

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Yes your sensor needs cleaning.i had the same prob and it was when taking sunset photos with wide 18-55mm lens you could see like ufo's in the sky he he.but of cause it was the dust shame.all the best mark.

Posted on Jan 25, 2008


It is like that your sensor needs cleaning. It is probably small specks of dust on it. A reputable camera shop can clean it for you.

Posted on Jan 14, 2008

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Try wiping your lens.

Posted on Dec 31, 2007

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Posted on Jan 02, 2017

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I have a Canon EOS40D with a Canon EF 28-135mm lens. I'm getting two spots on my images - looks like dirt but I've cleaned the lens repeatedly and it doesn't help. You can see the spots on a...

The image sensor in the camera needs cleaning. You can buy cleaning kits, but often you'll just make the problem worse until you gain experience. Many camera shops now offer professional sensor cleaning so you might decide that it's better to pay someone else to do it for you. If you join a local camera club there's also usually at least one sensor cleaning guru who can do it really well if you buy him or her a beer.

Prevention is better than cure, so always blow dust off the camera and lenses before changing them, and never leave the camera for any length of time without either a lens or a body cap on the front.

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This is normal behavior when shooting in low light. Just like when someone is speaking softly into the phone, you may turn up the volume on your end. Any background noise, you can now hear more.

Similarly, when there is low light, the camera turns up the amplification on each pixel. Some pixels naturally have a bit more background noise than others, and these show up as bright spots. A higher ISO setting where the camera is more responsive to light is where this occurs.

At a high ISO, taking a picture of pure black shows up as a mottled grey with a few bright spots for pixels that have a lot of noise.

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When I take photos with my finepix s1000fd the colours are hardly ever accurate, it will pick out some colours and make them very bright, but the rest of the photo will be a greyish colour. Some photos...

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Spots on image


The 28-135 zoom lens has at some point had moisture inside it. These spots that you can see are dried water marks.

You have to take the lens apart and clean the lens with a class cloth.

Alternatively you can take the lens to a specialist service center to be professionally cleaned.


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Spots showing on photo's


Try using a sensor cleaning kit. It sound if you have dust on your sensor. The cleaning kit most probably will solve your problem.


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it might be the fabric softnerl. some softeners are too concentrated even in little amounts and does not dispense all the way. Watering it down might help and I you ll able to get most of the other spots off even after drying by wetting the area and rubbing just regular bar soap on the spots then rewashing.

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