MOUNT CONVERTER MC-21 (EF-L) firmware v1.2
Sigma · Released Apr 23, 2020 · First seen by GearPulse Jul 5, 2026
What's in this update
The firmware will optimize the communication regarding the current consumption of the Leica SL2.The firmware will improve the phenomenon of overexposure when continuous shooting when it is used in combination with Panasonic Lumix DC-S1R / DC-S1.
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