Megadap ETZ21 Pro
firmware v1.26
Megadap · Released Sep 10, 2023 · First seen Jul 24, 2026
v1.26 is not the latest firmware for the Megadap ETZ21 Pro: the current version is v2.04 (December 5, 2025). Go to v2.04
What's in this update
Compatible with three brands of lenses: Vitrox, Meike, and Yongnuo.
Improved the efficiency of low-light focusing.
Targetedly optimized the focus performance of Sigma 14mm F1.4.
Targetedly optimized the focusing performance of Tamron 28-75mm F2.8 G2, correcting the problem that the focus ring is unavailable at MF and the aperture no longer shrinks when it is smaller than F8.
Targeted optimization of Sony 16-35 F4PZ, correcting the problem that the electric zoom cannot be used.
Targetedly optimized the focus performance of Sony 90mm 2.8 macro.
Improved the overall focusing stability of the adapter.
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