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jojo_ma

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Posts posted by jojo_ma

  1. Take a good look at the Sigma 10-20EX. It gives you the low price, hood, and good build as the Tokina; but it gives you the 10mm and ring HSM with FTM as the Canon. You also get 4 years of warranty. Optically, they're all good and find their sweet spots around f8-f10.
  2. Tokina's reputation is undoubtedly on the rise, and their recent 12-24 DX is evidence that they know how to put together solid build and excellent optics. They realize APS-C is here for a while, and their R&D is showing their commitment now with these new DX lenses. I don't think you have to worry about the optics of their upcoming line. If they can make a stellar UWA, they can certainly do it in a wide standard zoom. While I opted for the Sigma 10-20 EX as my UWA, I used the Tokie for a good while and it's a great lens in its own right.
  3. For WL I'd say the 100-400IS; for birding the 400f5.6. Also, using a crop body doesn't hurt either. If you are mostly birding, then the 400 prime's AF speed is going to be best. For more stationary WL/zoo shots, get the zoom. It came down to these two for me, and after much deliberation, the zoom won out. Given normal, good working copies of each they are VERY close vis-a-vis IQ. See this at my site: http://www.pbase.com/fstopjojo/teletest
  4. Nice work here. It's a helpful contribution to the on-going discussion between two excellent lenses. There is copy-to-copy variation for both lenses, however, and I know that my copies of the Sigma were as good or better than my Tamron copies at the long end, so again, this is a copy-dependant issue. Overall they are both excellent lenses, though I would say the build, AF speed, and 24mm wide are significant perks that the EX gives you. Again, nice job.
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