Some additional information on the new Tamron 28-75mm f/2.8 Di III RXD full frame mirrorless lens for Sony E-mount (US pricing not yet announced): Tamron is trying to compete with the Sony FE 24-70mm f/2.8 GM lens Shipping of the lens will start at end of April and no later than May The lens is based … Continue reading Tamron 28-75mm f/2.8 Di III RXD lens additional information