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04-02-2014, 12:11 PM   #1
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Tamron 28-300mm Lens AF Problems

I have a Pentax K10D on which I have been using a Tamron 28 - 300 XR Di Lens but lately this lens has been very slow to focus and even at times even refuses to focus , so because of this situation there have been many out of focus and missed shots . I have gone back to using my old Pentax Lenses which are SMC Pentax FA 28 - 80 1.35 - 4.7 and SMC Pentax FA 70 - 200 1.4 - 5.8 power zooms both of which I purchased for my Pentax Z50P many years ago. The 20 -80 has been refurbished but the 70 -200 is still original and both are working perfectly and no more missed shots or out of focus ones. I am interested to see if anyone else has had the same problems with this lens.


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