Canon Community

cameragirl5 · ‎03-06-2026

deebatman316 · ‎03-06-2026

@cameragirl5 This is a known issue with Sigma lenses. Turn off all of the in camera lens corrections and the problem should go away.

-Demetrius
Bodies: EOS 40D & EOS 5D Mark IV
Lenses: EF Holy Trinity, EF 50mm F/1.8 STM, EF 70-210mm F/4 & EF 85mm F/1.8 USM
Speedlites: 420EX, 470EX-AI, 550EX & 600EX II-RT

shadowsports · ‎03-06-2026

Looks like you can also update the lens's firmware if you have a Sigma USB dock.

https://www.sigma-global.com/en/support/firmware/a012_35_14/?mount=canon-ef

~Rick
Bay Area - CA

~R5 C (1.1.2.1), ~R50v (1.1.1) ~RF Trinity, ~RF 100 Macro, ~RF 100~400, ~RF 100~500, ~RF 200-800 +RF 1.4x TC, BG-R10, 430EX III-RT ~DxO PhotoLab Elite ~DaVinci Resolve Studio ~ImageClass MF644Cdw/MF656Cdw ~Pixel 10 ~CarePaks Are Worth It

Canon Community

Halo around image on r6 mark 2- I am using a ef-eos R mount adapter for a sigma 35