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03-24-2011, 01:50 PM   #1
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Tokina 400mm f5.6 ATX AF worth picking up?

I found this lens from a shop locally and am thinking of getting it for birding. Anyone have any experience with it on the K5? or how it performs vs the sigma 120-400mm at the long end? i suspect that it will be used at f8 most often and i am a bit concerned about iq. advice or pics would be helpful.

03-24-2011, 02:57 PM   #2
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Tokina 400mm f5.6 ATX AF Lens Reviews - Pentax Third-Party Lens Review Database
03-24-2011, 03:04 PM   #3
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read the minimal reviews... would like a bit more input. i suspected the f*300mm with a tc would give me better results and a pm seems to confirm it.

Last edited by ivoire; 03-24-2011 at 06:46 PM.
03-25-2011, 10:52 AM   #4
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I have the MF one (SD version). I like it so far. I do get purple fringing some times
Some of my pics here Flickr: Sivakumar Nilangiriyar's Photostream
If the AF glass is better than the MF one, you would like it.

03-25-2011, 03:19 PM   #5
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QuoteOriginally posted by siva.ss.kumar Quote
I have the MF one (SD version). I like it so far. I do get purple fringing some times
Some of my pics here Flickr: Sivakumar Nilangiriyar's Photostream
If the AF glass is better than the MF one, you would like it.
Thanks for the image link. Your images look good and i was on the fence. after talking to the guy he agreed that the f*300mm plus a tc was a better option (he's used both). So i've let it go. If anyone is interested in this lens and lives in Chicago area, his lens is in very nice condition and $380 (a very good deal). go here if you have an interest in it.

Tokina 5.6/400mm lenses for Sony Alpha & Pentax DSLRS
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