Sigma have issued a lens compatibility notice for their lenses when used with the new Canon EOS R mirrorless camera. There are no known issues with general operation, but Sigma do state that the Digital Lens Optimizer located within the in-camera Lens Aberration Correction function cannot be used and must be set to Off. This will be fixed by Sigma in a future firmware update.

Sigma Information Notice

Operating conditions of the Canon “EOS R” and SIGMA’s interchangeable lenses for Canon mount

Thank you for purchasing and using our products.

We would like to announce that, as of this moment SIGMA’s interchangeable lenses for Canon mount in the current lineup do not have any issues with general operation when they are used on the “EOS R”, released by Canon Inc., via their “Mount Adapter EF-EOS R”.

In addition, please note the information below when using our lenses.

1. With SIGMA’s interchangeable lenses, the Digital Lens Optimizer located within the in-camera Lens Aberration Correction function cannot be used. Therefore, please set the Digital Lens Optimizer to [OFF] before shooting.

When the Digital Lens Optimizer is switched [OFF], but “Peripheral illumination correction”, “Chromatic aberration correction” and “Distortion correction”, located within the in-camera Lens Aberration Correction function is switched [ON], the appropriate corrections can be achieved in accordance with the optical characteristics of each lens. This is applicable to lenses listed below which were released after March, 2018, or those of which firmware has been updated to Ver.2.0 or later.

○　Contemporary line SIGMA 17-70mm F2.8-4 DC MACRO OS HSM | Contemporary ※ SIGMA 18-200mm F3.5-6.3 DC MACRO OS HSM | Contemporary ※ SIGMA 18-300mm F3.5-6.3 DC MACRO OS HSM | Contemporary ※ SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary SIGMA 150-600mm F5-6.3 DG OS HSM | Contemporary

○　Art line SIGMA 18-35mm F1.8 DC HSM | Art SIGMA 50-100mm F1.8 DC HSM | Art SIGMA 12-24mm F4 DG HSM | Art SIGMA 14-24mm F2.8 DG HSM | Art SIGMA 24-35mm F2 DG HSM | Art ※ SIGMA 24-70mm F2.8 DG OS HSM | Art SIGMA 24-105mm F4 DG OS HSM | Art SIGMA 14mm F1.8 DG HSM | Art SIGMA 20mm F1.4 DG HSM | Art SIGMA 24mm F1.4 DG HSM | Art SIGMA 30mm F1.4 DC HSM | Art ※ SIGMA 35mm F1.4 DG HSM | Art SIGMA 50mm F1.4 DG HSM | Art SIGMA 70mm F2.8 DG MACRO | Art SIGMA 85mm F1.4 DG HSM | Art SIGMA 105mm F1.4 DG HSM | Art SIGMA 135mm F1.8 DG HSM | Art

○　Sports line SIGMA 60-600mm F4.5-6.3 DG OS HSM | Sports SIGMA 120-300mm F2.8 DG OS HSM | Sports ※ SIGMA 150-600mm F5-6.3 DG OS HSM | Sports SIGMA 500mm F4 DG OS HSM | Sports ※

- These lenses will be compatible with the in-camera Lens Aberration Correction function by a firmware update to Ver.2.0 which will be announced in the future.

When lenses other than those listed above are used, “Peripheral illumination correction”, “Chromatic aberration correction” and “Distortion correction”, located within the in-camera Lens Aberration Correction function, may cause images to appear abnormal. Therefore please set these correction functions to [OFF] before shooting.

2. When SIGMA’s DC lenses are used, “1.6x (Crop)” will not be set automatically. Please select “1.6x (Crop)” manually.

We will continue verification and provide updates on the operating condition at a later date.

For further information, please contact your nearest authorized SIGMA subsidiary / distributor. https://www.sigma-global.com/en/about/world-network/

We appreciate your continued support for our company and products.

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