With a dynamic telephoto zoom range and compact profile, the 70-300mm f/4.5-6.3 Di III RXD Lens for Sony E 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. It offers optical performance with aberration correction that delivers high image quality. Tamron's RXD stepping motor unit provides high-speed, high-precision, and quiet operation and takes full advantage of in-camera features including Sony's Fast Hybrid AF and Eye AF functions. The 70-300mm f/4.5-6.3 is a highly practical telephoto zoom lens that performs across a diverse range of shooting styles including sports and other athletic events, wildlife, portraits, and more.

• Versatile telephoto zoom is designed for full-frame Sony E-mount mirrorless cameras and can also be used with APS-C models where it will provide a 105-450mm equivalent focal length range
• RXD stepping motor unit provides high-speed, high-precision, and exceptionally quiet operation that takes full advantage of in-camera features including Sony's Fast Hybrid AF and Eye AF features plus direct manual focus
• 15 elements in 10 groups with one LD (low dispersion) lens element precisely arranged to suppress axial chromatic and other aberrations that are likely to occur with telephoto zoom lenses
• Compatible with in-camera shading, chromatic aberration, and distortion lens correction functions
• Minimum focusing distance of 31.5" to suit working with close-up subjects
• Rounded seven-blade diaphragm contributes to a pleasing bokeh quality
• A high-strength aluminum-magnesium alloy and moisture-resistant construction benefits this lens' use in inclement conditions
• Camera-based lens firmware updates via dedicated TAMRON Lens Utility software