Tamron 17–70mm F2.8 Di III-A VC RXD (B070) – for Canon RF APS-C Mirrorless Cameras

A class-leading constant-aperture zoom from Tamron

The Tamron 17–70mm F2.8 Di III-A VC RXD (Model B070) is a high-performance standard zoom lens designed specifically for Canon RF mount APS-C mirrorless cameras. Combining a bright constant F2.8 aperture, built-in stabilisation, and an exceptionally versatile 4.1x zoom range, it delivers outstanding results for both stills and video.

Versatile 17–70mm zoom range

Designed to replace multiple lenses in one compact solution:

• 17mm wide angle for landscapes, interiors, and street scenes

• Mid-range focal lengths ideal for portraits and everyday shooting

• 70mm reach for tighter framing and subject separation

• 4.1x zoom ratio for true all-day versatility

Constant F2.8 aperture across the zoom range

The bright F2.8 aperture is maintained throughout the entire zoom range, giving consistent exposure and strong low-light capability:

• Excellent performance in indoor and low-light environments

• Smooth background blur (bokeh) for subject separation

• Ideal for hybrid photo and video shooting

• Reliable exposure consistency when zooming

Built-in VC stabilisation (Vibration Compensation)

Tamron’s VC system helps keep images sharp and footage stable:

• Reduces camera shake in handheld shooting

• Improves low-light stills performance

• Smooths out handheld video capture

• Especially effective at longer focal lengths

Fast, quiet autofocus for stills and video

The RXD autofocus motor is designed for modern hybrid creators:

• Quiet and responsive AF performance

• Smooth tracking for moving subjects

• Reduced focus breathing for video work

• Reliable everyday shooting performance

Compact, travel-friendly design

Despite its performance, the lens remains highly portable:

• Lightweight build (~530–540g depending on mount)

• Compact 121mm-class form factor

• Moisture-resistant construction

• Unified 67mm filter size across Tamron ecosystem

Close-up performance

Strong minimum focusing capability enhances versatility:

• Minimum focus distance as close as 0.19m (wide end)

• High magnification close-up shooting

• Ideal for detail, food, travel, and product photography

Key features

• Tamron-designed lens (not Canon-branded)

• For Canon RF mount APS-C mirrorless cameras

• Constant F2.8 aperture

• 17–70mm versatile zoom range

• Built-in VC stabilisation

• RXD fast, quiet autofocus system

• Video-optimised with reduced focus breathing

• Moisture-resistant construction

• 67mm filter thread

Summary

The Tamron 17–70mm F2.8 VC RXD for Canon RF APS-C is a powerful all-in-one zoom lens built for creators who want flexibility without sacrificing image quality. With a constant F2.8 aperture, strong stabilisation, and excellent video performance, it’s a highly capable everyday lens for Canon RF APS-C mirrorless users.