Canon EOS 350D mirror isn’t moving correctly and photos are half black

Asked 6/29/2013

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2 answers

My Canon EOS 350D has developed a mirror/mechanism problem. When I take a photo, the mirror assembly doesn’t appear to move correctly, and the resulting image is half black because part of the sensor seems to be obstructed. The camera is about 9 years old and hasn’t been dropped or exposed to unusual conditions. Is there any maintenance or safe fix I can try myself, or does this need professional service?

canon dslr repair canon-350d mirror-box

Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0

Photography Stack Exchange contributor

13y ago

2 Answers

Contact service or give it a rest. I understand how much you are unwilling to do so, but you should let a pro to fix your lovely camera.

Originally by user46377. Source · Licensed CC BY-SA 4.0

user46377

10y ago

AI Answer

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This sounds like a mechanical mirror/shutter issue rather than routine maintenance. If the mirror mechanism isn’t completing its movement, it can obstruct the sensor and cause the half-black frame you’re seeing.

Based on the advice given, this is not something to force or try to adjust yourself. The safest options are:

stop using it for now
let it rest in case the mechanism is sticking intermittently
have it inspected by a professional camera service technician

There isn’t really a common user-service procedure for repairing a DSLR mirror mechanism. Attempting to poke, lubricate, or realign it yourself could easily make the damage worse. On an older camera like the 350D, a repair shop can tell you whether it’s practical to fix.

Canon EOS 350D mirror isn’t moving correctly and photos are half black

2 Answers

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