tagada45 Offline Upload & Sell: Off
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I own 400D/17-55 + 5D + primes (24,28,50,85,105).
I don't see the point to go from 17-55/40d to 5D/std zooms except for 1,600 Iso usage but generally, the zoom will lost 1 EV so...
Main advantage of 5D over 40D/17-55 is the bokey so keep only large apertures primes if you absolutely want to keep/use the 17-55 when you need more DOF.
For UWA, APS is an advantage with large DOF. I don't have any 17-40 but i think you'll hardly see any difference vs 11-16 except maybe a smaller DOF, so not an advantage.
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