Sigma 120-300 2.8 with Sigman or Canon 2x TC

Started Sep 21, 2012 | Discussions thread
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hires Regular Member • Posts: 415
Re: Sigma 120-300 2.8 with Sigman or Canon 2x TC

Great way to compare lenses and teleconverters. It looks like the Canon prime is qute a bit sharper across the board which doesn't jibe with the reviews that I've read. From this there doesn't seem to be any reason to "upgrade" from the 400 5.6L to the much heavier 2.8 zoom.

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