It has corrected the phenomenon whereby the selection range of AF frame (AF point) becomes narrower depending on the camera attached.

It has ensured compatibility with Canon’s in-camera Lens Aberration Correction function, which enables correction matching the optical characteristics of the attached lens.^*
It has corrected the phenomenon that abnormal images appear or operation errors occur when Canon’s in-camera Lens Aberration Correction function is enabled.
It has become compatible with EOS R’s “1.6x (Crop)” to be set automatically as well as with “Scene Intelligent Auto Mode”.

* Compatible Canon camera models
EOS R*1、EOS-1D X mark II, EOS 5Ds, EOS 5Ds R, EOS 5D mark IV, EOS 6D mark II, EOS 80D, EOS 8000D(EOS Rebel T6s, EOS 760D), EOS 9000D(EOS 77D) , EOS Kiss x8i(EOS Rebel T6i, EOS 750D), EOS Kiss x9i(EOS Rebel T7i, EOS 800D), EOS Kiss x9(EOS Rebel SL2, EOS 200D)
*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.

It has improved the AF performance when it is used with the SIGMA MOUNT CONVERTER MC-11 EF-E.

*For this update, it requires the firmware of the SIGMA USB DOCK for Canon mount to be ver. 1.02 or later.
*For this update, it requires the firmware of the SIGMA MOUNT CONVERTER MC-11 EF-E to be ver.1.05.

It has reduced the operating sound of the lens diaphragm blades when attached with the SIGMA MOUNT CONVERTER MC-11 EF-E and used for shooting movies.
It has improved the AF accuracy when the lens is used for shooting movies as well as Live View on EOS DIGITAL SLR cameras.^*1
It has reduced the operating sound of the lens diaphragm blades when used for shooting movies on EOS DIGITAL SLR cameras.^*1
It is fully functional with the Canon Digital Cinema Camera EOS C300 Mark II.

※1 The degree of improvement differs depending on the camera used.