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04-08-2012, 08:22 AM   #16
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QuoteOriginally posted by oeriies Quote
I own 3 TCs: the Pentax 1.7; a Tamron 1.4 1.4x Pz-AF MC4; and a Sigma 2.0 APO DG EG. For whatever it is worth, I prefer the Tamron.
I prefer the Tamron 1.4X Pz-AF too. And I own six TCs including, as I said, both 1.4X Sigmas.

04-08-2012, 09:40 AM   #17
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QuoteOriginally posted by slackercruster Quote
Was trying to track down a Pentax 1.7 converter. 2 were on ebay for near $500 each...that was all I could find. I did run accross an interetsing thread on them. wonder if the lead in the glass issue is for real?

Why do Pentax limit sales of the 1.7x AF TC - BirdForum
Well here is mine for sale, I do warn you however after shipping, insurance and paypal fees it will cost $500, so its like the ones on ebay with free shipping
04-09-2012, 04:38 AM   #18
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QuoteOriginally posted by slackercruster Quote
Thanks, will check out the Tammy TC. Do they make it in 1.7 or 2x?
There is a 2x version of the Pz-AF Tammy. I haven't used it. If I can generalize from my experience with my Sigma 2x, the occasions on which you'll be able to successfully use a 2x TC will be limited: bright light, fast lens, tripod. That's one reason you'll find a lot more 2x TCs for sale on eBay than 1.4s or 1.5s.

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