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  Previous versions of abqnmusa's message #12022888 « Tamron announces 150-600mm Ultra-Telephoto Zoom Lens »
  

abqnmusa
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Re: Tamron announces 150-600mm Ultra-Telephoto Zoom Lens


I have not used any lens combinations with a 2X that worked for IQ and focus at the same time
IQ or focus is compromised
or you have to stop down to much to get back IQ making the combination slow

Tamron lens with no TC required is ideal


Dec 25, 2013 at 01:13 PM
abqnmusa
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Re: Tamron announces 150-600mm Ultra-Telephoto Zoom Lens


yes, I have lens combinations with a 2X that worked for IQ and focus at the same time one is compromised

Tamron lens with no TC required is ideal


Dec 24, 2013 at 07:21 PM





  Previous versions of abqnmusa's message #12022888 « Tamron announces 150-600mm Ultra-Telephoto Zoom Lens »