Question about Canon Digital Rebel / EOS-300D Digital Camera with EF-S 18-55mm Lens

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Bottom 3/4 of photos are black

I have changed the lens and reset all of my camera settings and I'm still getting an image that the bottom 3/4 of the image is black. The upper quarter is visible and the line between the two areas is blurry, not defined.

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Check out this website http://www.lotek.nu/misc/EOS_300D_sub-mirror_repair/

I had the same problem. You can check to make for sure by removing your lens, and carefully lifting your mirror. Does the sub mirror underneath flatten against the other one when you lift it? That's probably what is in the way creating your 3/4 "black" picture. I just repaired mine as in this website, and the mirror moves great now! Of course, I'm used to taking apart laptops and such. If you have a warranty yet, contact Canon. It is a defective issue on there part.

Posted on Apr 02, 2009

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The sub-mirror under the main mirror, It\'s pin is damaged must be repaired by repair shop, Because you have to get to the inside of the mirror box to fix it.

Posted on Nov 19, 2012

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The sub-mirror, which is a smaller mirror that acts as a 'flap' attached to the underneath of the main mirror, is failing to retract into the main mirror when the shutter is activated. The main mirror is lifting, as usual, but the sub-mirror is not retracting, so it partially blocks the light. If you reach in and pop up the sub-mirror, it will retract and the blocked images will go away. For the auto-focus to work, the sub mirror must extend again ( so that it is parallel to the sensor) whenever the mirror is down. If the sub mirror fails to extend, you will still be able to focus manually (there will be a ghost image in the viewfinder that is harmless and that you must just ignore). The above solutions mention replacing a pin that is associated with the sub-mirror movement. However, don't assume that the pin is broken necessarily. I probed around a bit, popped the mirror around a few times, and now the auto focus is working properly, as though nothing ever was wrong. We'll see how long this lasts, but my Rebel is destined for back-up camera status anyway.

Posted on Jul 05, 2009

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Have u tried firmware update here

http://web.canon.jp/imaging/eosdigital/E3kr_firmware-e.html

if not resolve then see this to clean the CMOS sensor

http://www.bobatkins.com/photography/tutorials/sensorclean.html

pls rate me FIXYA if i helped u i can help more if nothing work out above

Posted on Mar 21, 2009

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