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I've been trying to buy a Tamron 1.4x MC4 TC for my K20D, but so far unsuccessful. I just missed out on one in the Marketplace forum by virtue of timezone differences!
However, I gather that Pentax are allegedly bringing out a TC or two, that will work with the DA* lens focusing motors etc.
Does anyone have any info, or links to info, re these, and any ideas as to when they may materialize?
Thanks.