Sigma TELE CONVERTER TC-1411 / TC-2011 (TC-1411)
firmware v1.1
Sigma · Released May 25, 2023 · First seen Jul 5, 2026
v1.1 is the latest firmware for the Sigma TELE CONVERTER TC-1411 / TC-2011 (TC-1411), released May 25, 2023.
What's in this update
It is compatible with teleconverter-compatible Leica Camera AG L-mount lenses.
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