Image quality test results have been added to the Tamron 150-500mm f/5-6.7 Di III VXD Lens page.
Here are some comparisons to get you started:
Comparison to Sony FE 200-600mm f/5.6-6.3 G OSS Lens
Comparison to Sony FE 100-400mm f/4.5-5.6 GM OSS Lens
Comparison to Tamron 150-600mm f/5-6.3 Di VC USD G2 Lens
The Tamron 150-500mm f/5-6.7 Di III VXD Lens is available for order at B&H | Adorama | Amazon USA (in stock) | WEX
Rent the Tamron 150-500mm f/5-6.7 Di III VXD Lens from Lensrentals.
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