Megadap ETZ21 Pro firmware `v1.37`

Megadap · Released Jul 6, 2024 · First seen Jul 24, 2026

v1.37 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

OptimizE the focus flow of the Sony 55mm F1.8, and optimized the focus speed.
Optimize the focus fluency of Tamron FE 28-200mm F2.8-5.6 at the 200mm end, optimize the focus speed.
Resolve some compatibility issues on video AF.

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