The Tamron 25-200mm f2.8-5.6 Di III VXD G2 builds directly on the success of the 28-200mm f2.8-5.6 Di III RXD, introducing several major upgrades in optical design, autofocus, and handling. Tamron 25-200mm f2.8-5.6 DI III VXD G2 Lens Key Features.
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