Price last checked Nov 7, 2026. It may have changed, so confirm on the store's page. We earn a commission on purchases (details).
OVERVIEW The Tamron 17-70mm f/2.8 Di III-A VC RXD is a fast standard zoom lens designed for Canon RF-mount APS-C mirrorless cameras, featuring a constant f/2.8 aperture and a 17-70mm range (27.2-112mm full-frame equivalent) for everyday photo and video shooting. Built with VC image stabilization, an RXD stepping autofocus motor, moisture-resistant construction and a fluorine-coated front element, it packs into a compact body of about 530g and focuses as close as 19cm at the wide end. It suits portraits, travel, street shots and family events. KEY FEATURES 17–70mm versatile standard zoom lens Constant F2.8 maximum aperture Built-in VC image stabilization Fast, quiet RXD autofocus system AF/MF Switch and VC ON/OFF Switch 0.19m minimum object distance Moisture-resistant construction with fluorine coating Designed for APS-C Canon RF mirrorless cameras SPECIFICATIONS Brand: TAMRON Model: B070R Product Type: Standard Zoom Lens Lens Name: 17-70mm F/2.8 Di III-A VC RXD Mount: Canon RF Camera Format: APS-C Mirrorless Focal Length: 17–70mm 35mm Equivalent: 27.2–112mm Maximum Aperture: F2.8 Minimum Aperture: F22 Optical Construction: 16 elements in 12 groups Angle of View: 77°00'–21°52' diagonal Minimum Object Distance: 0.19m (Wide) / 0.39m (Tele) Maximum Magnification Ratio: 1:4.8 (Wide) / 1:5.2 (Tele) Image Stabilization: VC (Vibration Compensation) Filter Size: 67mm Maximum Diameter: 74.6mm Length: 117.3mm / 4.6in Weight: 530g Aperture Blades: 9, circular diaphragm COMPATIBILITY Accepts 67mm screw-on filters Video note: autofocus may be less responsive when tracking subjects while zooming during video (per Tamron)