Quote:
Originally Posted by Vudoo4u2
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forgot to add...
1) if you get the macro extension tube, you will have an F2.8 IS/L macro lens, canon doesnt have very many IS macro lenses (and the tube is so cheap relatively)
2) if you get the 1.4x magnifier add-on, then youll have a 280mm length to go to, with IS, and F4....the same cannot be said for the F4 lens, which if you add this on, youre giving up low light ability pretty much completely sans tripod. (so..on a canon crop sensor....70*1.6*1.4 & 200*1.6*1.4= 156.8mm-448mm F4 IS /L....for about 150 bucks more....thats unreal imo, thats one helluva telephoto<<<THIS REASON ALONE SHOULD MAKE YOU WANT THE 2.8 over the 4.0
I went over this question for myself a thousand times, and if it wasnt for the cost, I wouldve never even questioned. The 2.8 is as sharp as the F4 IS/L @ F4, but it just has that extra wonderful 2.8 stop which (while very sharp, is not AS sharp as the super sharp F4)....but its being supremely nitpicky...its an amazing lens you wont ever have to upgrade (well...for a while @ least)
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Well now, you've forced me to call bull shit. I use a 25mm extension tube and a 1.4 TC with my f4 all the time. In fact, I took around 100 macros today with the 70-200 f4 plus the ET.
The f4 is significantly sharper than the 2.8, so when you put that ET or TC on your not amplifying distortion.
Dave