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10-10-2011, 08:23 PM   #1
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Tokina or Sigma 400 5.6?

Hello,

Any one here have experiences with one or both lens?

Which one does perform better between Tokina ATX AF400 f5.6 vs Sigma AF 400 f5.6 Macro?

Many thanks,
RTogog

10-11-2011, 01:12 AM   #2
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QuoteQuote:
Which one does perform better between Tokina ATX AF400 f5.6 vs Sigma AF 400 f5.6 Macro?
There are several versions of the Sigma 400/5.6 (AF, Apo, Apo Macro, ...). The Apo Macro should optically perform better than the Tokina, although there are also mixed opinions about that. See:

400 - comparison
Tokina 400 5.6 Review
Tokina AT-X400AF F5.6 SD is good lens
Re: Pentax FA 400 5.6?
Longer outdoor lens-400 t0 500 mm-suggestions
10-11-2011, 02:47 AM   #3
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Original Poster
Many thanks for the links. A huge inforrmation can be explored. Cheers, RTogog
10-11-2011, 06:23 AM   #4
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I had the APO version and it was very good quality once it was stopped down around F9/F11 but needs a good amount of light for good results.

10-11-2011, 12:32 PM   #5
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I had the tokina AF version and liked it. It was prone to CA with moving targets, birds in flight in my case. I wish I still had it to use with my K7 as I think a lot of my shots could have been improved with the ability to crop and still have a usable amount of pixels which wasn't really possible with my K2000. The f5.6 is a limiting factor also, I seemed to be plagued by interesting subjects when there was heavy cloud cover, it was upsetting at times because the shots were just plain dark. Half of that problem was the weather though. I did use it with the 1.5X Kenko AF TC and the autofocus was good during daylight with clear skies.
My thoughts are a little scattered here as I read back through this but this is what I experienced.
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