20D back focus on wide angle!

[Kit]

Good one!

I will tell my friends this...(own the back focus camera)who had been many years of a PRO since in London and Singapore. And will ask him how dare he could bill client at a rate of $3000+ for actual day wedding photography.
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It's also always much more easy to keep silent rather than giving remarks and not providing a helping hand.

Ahhh yes...... how can we forget that "pro" friend?

 

[bkling1]

After posting the back focusing issue few weeks ago, I am back with a answer.

Me & friend bring to Canon Service Centre. Was told alots user feedback same problems.

After taking hours to check through and they even get back to Canon HQ. The Answer is... all 20D have same problem. Just that some user still yet to notice it.

It only happen with wide angle len due to the 20D had increased the size of the sensor (larger than 10D inorder to achieve FAST focusing). That's why when in wide angle, the subject which you focus it become smaller and the focus point cover a larger area, it will pick any area within the focusing point which has more contrast.

So when it pick the area behind the subject(still within the focusing point which are more contrast) and the subject surely will be out of focus.

see pic below:-

Only thing to solve (canon cant do anything) this problem when using wide angle len is to zoom-in, lock ur focus than zoom-out and capture.

Wish Canon be able to solve it when time comes.

PS: No matter what's the problem, Canon Customer Service is :thumbsup:

o..there are flaws in the design??? Huh??

 

[eudoofus]

my 20D is terrible! lousy, when i zoom in with telephoto to shoot the sun, it can't focus the hydrogen flames on the surface of the sun, even though the hyperfocal of the lens is exceeded. it's defective, and i've asked Canon Service Centre. Was told alots user feedback same problems.

After taking hours to check through and they even get back to Canon HQ. The Answer is... all 20D have same problem. Just that some user still yet to notice it.
:sweat: