Megadap ETZ21 firmware v1.26

Megadap · Released Sep 10, 2023 · First seen Jul 24, 2026

v1.26 is not the latest firmware for the Megadap ETZ21: the current version is v3.20 (July 3, 2023). Go to v3.20

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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Other versions for this product

See the full firmware history for the ETZ21