E-Mount Lens/Full-Frame Format Aperture Range: f/4.5 to f/22 Low Dispersion Front Element BBAR Broad-Brand Anti-Reflection Coating 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"
