Take a step up the quality ladder from your A7-series kit zoom lens with the Tamron 28-75mm f/2.8 Di III RXD
Tamron 28-75mm f/2.8 Di III RXD lens review with samples (Full-frame & APS-C)
Tamron 28-75mm F/2.8 Di III RXD (Model A036) Sony FE - DXOMARK
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Tamron 28-75mm f/2.8 Di III RXD - UK Exclusive Review - Amateur Photographer
Review: Tamron 28-75mm f2.8 Di III RXD (Sony FE)
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Tamron 28-75mm f/2.8 Di III RXD Lens Sony Mirrorless Full Frame E-Mount Bundle with 64GB & 32GB Ultra Memory Cards, Filter Kit, Memory Case, Air Blower, Dust Brush, Microfibers
Tamron 28-75mm F/2.8 for Sony Mirrorless Full Frame E Mount ( Tamron 6 Year Limited USA Warranty) Black : Electronics
Product Page, 28-75mm F/2.8 Di III VXD G2 (Model A063), E-mount
Tamron 28-75mm f/2.8 RXD (A036) Review