Tamron has announced the development of what it claims is the 'smallest and lightest' telephoto zoom for Sony E-mount: the 70-300mm F4.5-6.3 Di III RXD. This focal range isn't new to Tamron, but this is the first 70-300 developed for full-frame mirrorless bodies. The lens is weather-sealed and its focus group is driven by an 'RXD' stepping motor. The diameter of the lens is 77mm (3") while it weighs in at 544g (19.2oz). The 70-300mm F4.5-6.3 Di III RXD is expected to ship this fall. Press releas...
Tamron has announced the development of what it claims is the 'smallest and lightest' telephoto zoom for Sony E-mount: the 70-300mm F4.5-6.3 Di III RXD. This focal range isn't new to Tamron, but this is the first 70-300 developed for full-frame mirrorless bodies. The lens is weather-sealed and its focus group is driven by an 'RXD' stepping motor. The diameter of the lens is 77mm (3") while it weighs in at 544g (19.2oz). The 70-300mm F4.5-6.3 Di III RXD is expected to ship this fall. Press releas...
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