Sigma 10-18mm f/2.8 DC DN Contemporary Lens (Canon-RF)

The Sigma 10-18mm f/2.8 DC DN Contemporary is a compact ultra-wide zoom lens designed for APS-C mirrorless cameras, including Canon’s RF mount. It delivers sharp images with a constant f/2.8 aperture ideal for low light and vlogging.

Key Specifications

SIGMA 10-18mm F2.8 lens

This lens covers a 15-27mm full-frame equivalent focal range on Canon RF-S cameras, weighs just 260g, and measures 62mm long for excellent portability.
It features 13 elements in 10 groups, including FLD, SLD, and aspherical lenses to minimize aberrations and distortion.
Minimum focus is 4.6 inches with 1:4 magnification at 10mm, plus a dust/splash-resistant mount and 7-blade diaphragm for smooth bokeh.

This lens pairs well with the Sigma 18-50mm f/2.8 to cover 15-75mm equivalent at f/2.8, totaling only 550g combined.

Performance Highlights

Reviewers praise its sharpness across the frame, quick stepping-motor AF optimized for Canon’s eye detection, and strong value over Canon’s kit zoom.
Center resolution is good at f/2.8, with solid borders and corners even at 10mm, though it lacks stabilization.
It’s the smallest/lightest f/2.8 ultra-wide APS-C zoom available.

Ideal Uses

Perfect for landscapes, architecture, travel, and video on Canon EOS R10/R50/R7 bodies, where its size suits gimbals.

Compatibility includes Adobe profiles for distortion correction.