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 Canon EOS thread V31, The White Knights

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sukhoi37
post Nov 5 2010, 12:15 AM

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QUOTE(wenloong78 @ Nov 4 2010, 09:50 PM)
hello

wish to get some info from the masters here,

when comparing 7d and 5dm2,  most of the users will say 5dm2 has weaker AF as the 7d has newer AF technology.

but may i know, if AF of 5dm2 compare with 50d? is the AF (speed and in low light condition) of 5dm2 better than 50d? or just the same.

thanks
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All of the 50d focusing points are cross-typed, it should have better accuracy than 5dmk2.
For centre point, both are about the same.
There are some hidden AF assist points around the center point for 5dmk2, but this only can be activated with lens wider than f2.8.
sukhoi37
post Nov 7 2010, 07:49 PM

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QUOTE(fentanyl @ Nov 7 2010, 05:48 PM)
That's why i am asking for advice. If the IQ is pretty much the same I think i have to skip it. Beside the weather sealing, some said the pic is sharper compared to the Tamron.


Added on November 7, 2010, 5:50 pm

Err yeah that is another reason. I dun have L lens yet. But if the IQ is pretty much the same, then maybe i have to skip it.  blush.gif
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Don't waste your money on 17-40f4L.
It is for FF not for cropped.
IQ comparison?
Tamron 17-50mmf2.8 vs Canon 17-40f4L:
http://www.the-digital-picture.com/Reviews...p=0&FLI=0&API=2

I find it funny on the ppl using 1740f4L with cropped body.
The lens range is short, f4 is small, not sharp and expensive.
Maybe it's the weather sealing feature they looking for. tongue.gif
sukhoi37
post Dec 2 2010, 11:08 PM

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QUOTE(ianho @ Dec 2 2010, 06:44 PM)
Yes it's a very important feature for me. While slinging 2 bodies on assignments, it does get knocked about n the dial will change mode occasionally. U think Canon makes such changeS because only a few people complain? The customer survey must have shown a very large percentage of ppl asking for the lock feature.
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me too, I accidentally knocked it to B mode a few times during event shoot. doh.gif
sukhoi37
post Dec 4 2010, 11:12 PM

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QUOTE(LegendLee @ Dec 4 2010, 10:10 PM)
Hmm, I feel that the aperture too small.
Digitalrev just did a review.
I agree with Kai to go for a 70-200 f/2.8 non IS or Mark 1 IS L instead.
If need compactness, then would rather go for the 70-300 DO IS USM.
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how about the IQ and sharpness?
i heard the new lens is sharper than the famous 70200f4L IS(which is sharper than both 70200f2.8 IS mk1 and Non IS)

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