Sigma MOUNT CONVERTER MC-11 (SA-E) firmware v1.28

Sigma · Released Aug 27, 2026 · First seen Aug 28, 2026

v1.28 is the latest firmware for the Sigma MOUNT CONVERTER MC-11 (SA-E), released August 27, 2026.

What's in this update

Fixed an i​ssue where a release time lag occurs under specific settings duri​ng flash photography.

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Other versions for this product

See the full firmware history for the MOUNT CONVERTER MC-11 (SA-E)