Question about Canon Rebel XT / EOS 350D Digital Camera

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Digital Canon Rebel DS6041 - Auto focus does not working

After cleaning the interior of the camera using "sensor clean", the autofocus does not work. I have tried to reset the sensor selection - where you can select one or all "red dots" in the view finder. I have selected all the dots. I have looked to see if the sensors are dirty - but can't see that there is anything wrong. What have I done? There are no errors showing and otherwise the camera works fine - images are great.

When I select one of the program modes or the standard "green" normal shooting mode the camera goes through the action of autofocusing but there are no sensors showing up in the viewfinder, there are no beeps and the autofocus is no successful in focusing on the object. Help! What did I do?

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Re: Digital Canon Rebel DS6041 - Auto focus does not...

Allow to dry for an extended period. leave lens off, put in dust free area.
it may 'come back' after a few days of being open.
moisture can cause malfunctions. is sensor clean a liquid? or air?
air can be driven by a propellant which can cause problems.
try removing battery if it does not come back, or maybe before.
good luck, otherwise, time for service'

Posted on Dec 23, 2007

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My canon eos 300d will not lock onto autofocus, no matter which lens I use. Consequently, cannot take fotos using "A/F". (Works ok on Manual Focus) Help!

Clean the contacts on the camera body (and the lens, too) where they meet with a cotton swab lightly dampened with rubbing alcohol.

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My cannon rebel eos DS6041 displays error 99 when

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As a first step, you can try cleaning the lens and body contacts (the metal contacts between the lens and body) using a pencil eraser. Be careful to hold the body facing down so that no dust falls inside. After cleaning both the lens and the body contacts, re-attach the lens and try shooting. If the AF does not work still, you need to take the lens to an authorized service center.

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Does your lens try to focus or it doesn't try at all? You will have to understand that for the camera to autofocus successfully, theere should be adequate light and contrast. That means, autofocus often fail to focus even colored walls or objects under dim light. If you tried all this in daylight, outdoors, then the autofocus sensor is faulty. Please reply with details of how you tried the af.

Dec 16, 2009 | Canon Rebel XT / EOS 350D Digital Camera

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Will not auto focus with a smaller lens.

I had the same issue with my Nikon 18-55mm did auto focus but my 55-200mm only manual focused, i thought it might have been my camera as i heard that not all lenses are compatible with my d60 but it turned out to be the focussing motor or something that was damaged, it was making a very funny noise when it tried to auto focus with it,like a screeching sound..if this is the case you should get it repaired and looked at, also check on the lens if it says it is a AF lens,if so make sure th switch on the side of the lens is switched on AF not MF. hope it helps


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Canon rebel eos ds6041

DS6041 is the model number for Canon EOS Digital Rebel or 300D. It is a 6.3 megapixels DSLR camera from Canon.

All software and manuals available from the Canon site

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Canon Rbl XT out of focus in viewfndr when shutter half way down

It's possible that the reason the "pictures turn out fairly good" is that your f-stop is set high enough that even though the image isn't properly focused, you have enough depth-of-field to bring your subject into "near focus". Does your lens try to focus back and forth when you half-press the shutter? If not, double check that the lens is in autofocus and not manual focus. You can also try cleaning the contacts between the lens and camera. Take the lens off, and then one-at-a-time clean the contacts on both the lens and the camera, using a clean pencil eraser. Gently rub the contacts. Be sure to hold the item upside down so that the eraser debris falls on to the table, not into the camera body or lens!

If none of this helps the autofocus may have become damaged and you need to have the lens and camera looked at by Canon Repair.

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I dropped my camera and thought the autofocus broke. It turn out that it swithed from autofocus to manual focus. There's a switch on the lens. Check if that's your problem too.

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Tamron lens for Xti?

if it is an auto focus lens that works on one eos camera, it should work on almost all of them. the only known exception is that some high end extenders will not fit the eos1dmarkII as it protrudes into the opening too far.
but a good rule is that if it fits without any obstruction issues, it should work. try cleaning contacts on the lens and camera body. if that doesn't fix it, talk to Tamron. you can use it manually, but will not be as easy and you would get less predictable results.

my suggestion is to always go with lens from camera maker.

sounds like there is an issue with the tamron lens. not the camera.
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My Canon digital rebel will not autofocus correctly. My camera has 7 points autofocus, but it will only autofocus on the far right point. All other points are not used. I have had the camera for 14 months...

I had this problem awhile ago - you must have accidently adjusted the focal area - it is sooooo easy to do without realising it. Here is what I was told:

Most likely, you have changed the AF point, which only takes effect in the creative modes (Manual, Av, Tv, P, etc)

There should be a button on your camera that has a grid like pattern above it, like
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or so. press that, look through the viewfinder, and move the shutter or rear wheel, you should see the different AF points like up in red, and as you turn different ones will light up, and eventually all of them. also, you can look on the screen on top (or back, if its a rebel) and it will show you which ones are selected while in that mode, instead of looking through the viewfinder.

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