Tamron has officially announced the new 70-300mm f/4.5-6.3 Di III RXD lens for Sony E-mount today. The US price for Tamron 70-300mm f/4.5-6.3 Di III RXD lens is $549, now available for pre-order at B&H Photo Video/Adorama. The release date for this lens is on October 29th, 2020.
Tamron will soon announce a new FE 70-300mm f/4.5-6.3 Di III RXD lens for Sony E-mount tomorrow. Russian website Foto74.ru has just leaked the development announcement. The release date for this lens is scheduled in this fall. The size is φ77 x 148mm and the weight is 545g. The filter diameter is 67 mm.