Does Sigma extender works with Tokina lens? - FM Forums

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Archive 2009 · Does Sigma extender works with Tokina lens?

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p.1 #1 · Does Sigma extender works with Tokina lens?

I purchased the Sigma 2x EX DG APO Autofocus and looking for to buy the Tokina 400mm AT-X AF lens, does it work on my Nikon D700?

Jul 01, 2009 at 04:02 AM

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p.1 #2 · Does Sigma extender works with Tokina lens?

Even if it fits, you're talking about creating an f/11 lens that surely won't autofocus and will want to be stopped down a couple of stops from wide open--which suddenly is at f/22. Not a good idea.

I've had the Tokina in Canon mount and it was a remarkably good lens for the price. I would not suggest it with a 2x TC, though.

Jul 01, 2009 at 04:18 AM

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p.1 #3 · Does Sigma extender works with Tokina lens?

what about Tamron lenses? How do I know if the extender will compatible with a specific lens or not?

Jul 01, 2009 at 05:05 AM


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