Megadap ETZ21 Pro firmware `v1.23`

Megadap · Released Aug 8, 2023 · First seen Jul 24, 2026

v1.23 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

Continuous shooting slows down when the aperture is fully open.

Some Tamron lenses cause the screen to flicker.

Sigma DGDN lens focuses too slowly.

Large zoom such as Tamron 28-200 and other lenses with long-focus end focusing performance.

Exposure difference between pictures during high-speed continuous shooting.

Focusing performance of ultra-large aperture lenses, such as Sony FE50 1.2GM at full aperture.

The aperture display of Zeiss Loxia lens and Voigtlander VE lens is wrong.

When the lens aperture is smaller than F5.6, the first picture freezes during high-speed continuous shooting.

Optimization and use of lens travel buttons.

Optimization and use of lens custom buttons.

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