Bigma + Kenko Pz-AF 1.5X

Started Mar 20, 2013 | Discussions thread
jon_pafford New Member • Posts: 18
Re: Bigma + Kenko Pz-AF 1.5X

I have used the tamron 1.4 and the keko 1.5 teleconveters. you have to pre-focus then use the auto-focus. I also manual set the lens close to infinite before you auto-focus the lens. this is what i do using the teleconveter on a lens

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pentax k5 and k7

lens sigma 50-500, sigma 130-400, sigma 170-500 4,5.5.6, sima 70-200 2.8, sigma 17-50 2.8 and tamron 18-250

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