Sigma 100-400mm F5-6.3 DG DN OS | Contemporary (L-Mount)
firmware v1.4
Sigma · Released May 22, 2025 · First seen Jul 5, 2026
v1.4 is the latest firmware for the Sigma 100-400mm F5-6.3 DG DN OS / Contemporary (L-Mount), released May 22, 2025.
What's in this update
- The operational stability has been improved.
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See the full firmware history for the 100-400mm F5-6.3 DG DN OS | Contemporary (L-Mount)