Tamron 150-600mm f/5-6.3 or Nikon 80-400mm f/4.5-5.6 + TC-14 for Sharpness?

Started Jul 2, 2014 | Discussions thread
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Duncan Glendinning Regular Member • Posts: 252
Tamron 150-600mm f/5-6.3 or Nikon 80-400mm f/4.5-5.6 + TC-14 for Sharpness?

My wife (D7100) and I (D600) share a Nikon 80-400mm f/4.5-5.6 VR II - though she seems to get to use it more than me :-(.

I have read with envy the great 600mm bird results of the Tamron 150-600mm lens.

Does anyone have experience to share sharpness wise using the Nikon + TC-14 at 560mm effective versus the Tamron at an equivalent FL? I realize that the Nikon will be f/8 vs the Tamron at about f/6.3.

Thanks...  Duncan

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