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Tamron 17-70mm f/2.8 Di III-A VC RCD announced
#4
If the MTF is good, I wonder whether it might obscure the 'old' Sony 16-70mm f/4... 308g vs 525g, heavier but not so much, and a stop faster - 200g are not a big deal in exchange of f/2.8. The only pitfall is that you lose 1mm at the wide end. On the other hand, if you have the Sony 10-18mm, the range is covered.

So I'm longing to see tests (including decentering assessment).
stoppingdown.net

 

Sony a6300, Sony a6000, Sony NEX-6, Sony E 10-18mm F4 OSS, Sony Zeiss Vario-Tessar T* E 16-70mm F4 ZA OSS, Sony FE 70-200mm F4 G OSS, Sigma 150-600mm Æ’/5-6.3 DG OS HSM Contemporary, Samyang 12mm Æ’/2, Sigma 30mm F2.8 DN | A, Meyer Gorlitz Trioplan 100mm Æ’/2.8, Samyang 8mm Æ’/3.5 fish-eye II | Zenit Helios 44-2 58mm Æ’/2 
Plus some legacy Nikkor lenses.
  


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RE: Tamron 17-70mm f/2.8 Di III-A VC RCD announced - by stoppingdown - 12-03-2020, 09:20 AM

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