Megadap ETZ21 firmware `v1.33`

Megadap · Released Jan 3, 2024 · First seen Jul 24, 2026

v1.33 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

Improve battery draining issue when used with certain lenses
Improve focusing performance of telephoto lenses e.g. Sony FE 300mm f/2.8 and 70-200mm FE II, on the telephoto end
Improve overall adapter stability

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