Can the Tamron 70-300mm F/4.5-6.3 Di III RXD for Sony E-mount add anything new to the old 70-300mm formula?
Tamron 70-300mm f/4.5-6.3 Di III RXD Lens Review
TAMRON 70-300MM F/4.5-6.3 DI III RXD LENS FOR SONY E-MOUNT (FULL
In-Depth Review of the New 70-300mm f/4.5-6.3 DI III RXD Lens from
Tamron 70-300mm f/4.5-6.3 Di III RXD Review
Tamron 70-300mm f/4.5-6.3 Di III RXD Review
Tamron 70-300mm F4.5-6.3 RXD (A047) Review
The Tamron 70-300mm f/4.5-6.3 vs Sony 70-300mm f/4.5-5.6 G OSS
Review: Tamron 70-300mm f/4.5-6.3 Di III RXD for Sony E-mount
Hands On with the Tamron 70-300mm f/4.5-6.3 Di III RXD for Sony E
DPReview TV: Tamron 70-300 F4.5-6.3 review: Digital Photography Review