Tamron 70-300mm f/4.5-6.3 Di III RXD Mount:Sony E-Mount and seven SLD glass elements

and seven SLD glass elements allow for outstanding image quality

This high-performance L-series telephoto zoom lens combines light weight and a compact design with an f/4 maximum aperture

Built-In Wi-Fi

the aperture diaphragm uses nine rounded blades to create smooth bokeh

Tamron 70-300mm f/4.5-6.3 Di III RXD Mount:Sony E-Mount and seven SLD glass elementsTamron 70 300mm f 4. 5 6. 3 Di III RXD Lens Tamron SP Front Lens Cap (67mm) Rear Lens Cap Lens Hood With a dynamic telephoto zoom range and compact profile, the 70 300mm f 4. 5 6. 3 Di III RXD Lens from Tamron provides a popular telephoto zoom range for the full frame Sony E mount mirrorless cameras. This lens spans a useful short to long telephoto range and measures just 5. 8" in length with a maximum diameter of 3", and it weighs just 1. 2 pounds.