nspur
(enthusiast)
26/06/2008 16:30
Re: New Telephoto

Quote:

Quote:

I use the Sigma 70-200 f2.8 (not the current one but its predecessor in 2004) with a 1.4x TC and the results are excellent. Since the Sigma is f2.8 throughout the one stop penalty of the TC doesn't really matter. I've also used the lens with a Kenko 2x TC but the results aren't so good.





I have just acquired the same generation of that lens - so which 1.4X TC have you used with it?
(I have the basic Kenco 1.4x, not their high quality one or the Sigma one)




I use the Sigma APO EX 1.4 TC which matches the lens. The Kenko 2x TC that I sometimes use is the Teleplus MC7 and there's a significant difference in quality between that and the Sigma 1.4



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