canon 500d real autofocus issue - not newbie

Started Jul 9, 2012 | Discussions thread
photonius Veteran Member • Posts: 6,750
Re: This could be a real problem

Pete4 wrote:

Sorry, I misread your original sentence, if problem showed up right after Sun shots, then Sun damage is very likely culprit and at this point I would probably didn't even buy cleaning supplies, just test which focusing points are possibly damaged.

It actually shouldn't be so hard to test which focus points act up. Initially you don't have to shoot and look at them on the computer. Just tests with subjects that are far apart (infinity versus 1 meter, or similar), and just watch in the viewfinder if the lens can refocus from one to the other.

b4cktr4ck wrote:

no, I noticed it straight away after shooting the sun. it was really obvious that something was wrong with the AF
so after reading others comments I'm pretty sure it was caused by the sun

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