The SIGMA MOUNT CONVERTER MC-21 allows SIGMA SA mount and SIGMA’s CANON EF mount interchangeable lens owners to use their lens investment on L-Mount camera bodies. The converter allows more freedom of choice for L-Mount cameras, enhancing the extensibility of the L-Mount system.
Available AF mounts: SIGMA SA-L, CANON EF-L
Appearance and specifications are subject to change without notice.
Notice on usage of the SIGMA MOUNT CONVERTER MC-21 when it is used in combination with Panasonic’s LUMIX S1 and LUMIX S1R
Please note the following information when using the SIGMA MOUNT CONVERTER MC-21 in combination with LUMIX S1 and LUMIX S1R released by Panasonic Corporation.
・When it is used in combination with LUMIX S1 and S1R, only AF-S works in Autofocus Mode. AF-C cannot be selected
・The Auto continuous operation cannot be used during video shooting.
・Touch AF cannot be used.
・With lenses incorporating MO (Manual Override), operation in manual mode is possible only after focusing.
・MF guide is not available.
・The image stabilization function inside the camera body and the lens cannot be used simultaneously. Please ensure only one of these is selected.
・The AF Function Button and the Focus Preset Button incorporated on some lenses cannot be used.
Compatibility with other cameras
When we announced the MC-21 on February 26th, 2019, we mentioned that it was compatible with cameras manufactured by Leica Camera AG. However, the specifications have changed and it will not be compatible with MC-21 is not compatible with Leica SL, CL and TL2.. We sincerely apologize for the inconvenience this situation may have caused.