Sigma released a new 1.01 firmware update for the MC-11 autofocus adpater. You can download it here: sigma-global.com/download/en/information.html. Those are the improvements:
| It has improved the following phenomenon that occurs when lenses that are not compatible with the MC-11 are attached and no light is emitted on the MC-11’s LED lamp. ● It does not operate properly on continuous shooting mode. ● In the case of some lenses that incorporate an OS function, when the camera’s power is turned off, it does not respond to any operation for a certain period of time. ● When open aperture is not selected for shooting, the aperture does not return to fully open. ※ Improvements may not be visible with some products. ※ The phenomenon that the diaphragm closes when the camera’s power is turned off is due to the characteristic of the camera and is considered to specification. |
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Thanks MWB!
The MC-11 can be bought at Amazon US, BHphoto, Amazon DE and Wex UK.