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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 also 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, however 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 quiet operation that takes full advantage of in-camera features including Sony's Fast Hybrid AF and Eye AF features plus direct manual focus

A high-strength aluminum-magnesium alloy and moisture-resistant construction benefits this lens' use in inclement conditions

Rounded seven-blade diaphragm contributes to a pleasing bokeh quality

15 elements in 10 groups with a low dispersion front element

Maximum Magnification Ratio: 1:9.4 (WIDE) / 1:5.1 (TELE)

Compatible with in-camera shading, chromatic aberration, and distortion lens correction functions

Camera-based lens firmware updates