The Canon RF version of Sigma's 10-18mm F2.8 DC DN is an APS-C ultra-wide zoom with a constant F2.8 aperture and a 106.6° to 73.4° angle of view. It weighs 270g and is 62.0mm long, with 13 elements in 10 groups that include three FLD and four aspherical elements. Minimum focus is 11.6cm at the wide end, and a stepping motor handles autofocus.
Product released: July 13, 2023
Latest firmware version
Version 1.0.1, released December 19, 2024
Last checked for updates: Oct 31, 2026 05:39 UTC
What's new in version 1.0.1
・The operational stability has been improved.・AF operation during zooming when shooting video has been improved.
What is Sigma 10-18mm F2.8 DC DN Contemporary (Canon RF)?
The Canon RF version of Sigma's 10-18mm F2.8 DC DN is an APS-C ultra-wide zoom with a constant F2.8 aperture and a 106.6° to 73.4° angle of view. It weighs 270g and is 62.0mm long, with 13 elements in 10 groups that include three FLD and four aspherical elements. Minimum focus is 11.6cm at the wide end, and a stepping motor handles autofocus. It was originally released on July 13, 2023.
What is the latest firmware version of Sigma 10-18mm F2.8 DC DN Contemporary (Canon RF)?
The latest firmware version of Sigma 10-18mm F2.8 DC DN Contemporary (Canon RF) is 1.0.1. It was released on December 19, 2024.
What changed in Sigma 10-18mm F2.8 DC DN Contemporary (Canon RF) firmware version 1.0.1?
Sigma 10-18mm F2.8 DC DN Contemporary (Canon RF) firmware version 1.0.1 includes the following changes: ・The operational stability has been improved.・AF operation during zooming when shooting video has been improved.
Where can I download the latest Sigma 10-18mm F2.8 DC DN Contemporary (Canon RF) firmware?
Details and download instructions for the latest Sigma 10-18mm F2.8 DC DN Contemporary (Canon RF) firmware (version 1.0.1) are on Sigma's official release page: https://www.sigma-global.com/en/support/firmware/c023_10_18_28/?mount=canon_rf