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Lenses / Re: 24-105 f/4 & 5d3 vs 24-70 f/2.8 & 5d2
« on: April 02, 2012, 03:49:17 PM »
It doesn't matter how fast your expensive prime lens is, when you need some depth of field you have to stop down, and f/5.6 is f/5.6 on all lenses. This is where the IS shines and being able to capture shots at 1/6 sec is what sets the 24 - 105mm IS L apart.
On the 70 - 200mm I'd say that this is where is it worth buying the faster lens, because at this focal length you can blur the background more than on the 24 - 70mm f/2.8, but also consider the Sigma 120 - 300mm f/2.8 OS which gives a longer reach.
And do consider a flash even if it's the 270EX II, the 5D series has no pop up flash and it really is missed if you don't have one.
On the 70 - 200mm I'd say that this is where is it worth buying the faster lens, because at this focal length you can blur the background more than on the 24 - 70mm f/2.8, but also consider the Sigma 120 - 300mm f/2.8 OS which gives a longer reach.
And do consider a flash even if it's the 270EX II, the 5D series has no pop up flash and it really is missed if you don't have one.