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04-01-2009, 12:03 PM   #1
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Sigma 70-200 2.8 HSM II + Kenko 1.5X won't autofocus?

Good evening all. I might just be having a senior moment but for the life of me I can't get this lens to autofocus with the TC fitted. It shows the aperture in the display ok but makes no attempt what so ever to focus.. I'm hoping someone with the same combo can point me in the right direction!

04-01-2009, 02:14 PM   #2
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QuoteOriginally posted by MrMuz Quote
Good evening all. I might just be having a senior moment but for the life of me I can't get this lens to autofocus with the TC fitted. It shows the aperture in the display ok but makes no attempt what so ever to focus.. I'm hoping someone with the same combo can point me in the right direction!
If you have the Pz version as I have it does focus with it
04-01-2009, 02:35 PM   #3
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thanks for the reply, I have the KENKO TELEPLUS DG 1.5X MC TELECONVERTER. I guess that one doesn't work, or it's faulty. Seems to have the full set of pins so I'm a bit confused. Guess I should look before I leap!
04-01-2009, 02:54 PM   #4
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QuoteOriginally posted by MrMuz Quote
thanks for the reply, I have the KENKO TELEPLUS DG 1.5X MC TELECONVERTER. I guess that one doesn't work, or it's faulty. Seems to have the full set of pins so I'm a bit confused. Guess I should look before I leap!
This is the kenko that works:

Kenko | 1.5X DG AF TELEPLUS CONVERTER FOR PENTAX | K15AFDGP | Tri-State Camera, Video, and Computer

04-01-2009, 02:56 PM   #5
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It must be the SHQ version for the HSM to work.
04-01-2009, 02:59 PM   #6
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thanks for the replies guys, one Kenko 1.5TC going on *bay very shortly!
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