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• EF-NEX IV V2.3 (Only applicable to adapters with factory firmware V2.2. Earlier V1.x adapters cannot be updated to V2.3.)
  ZIP
• Firmware version instruction ∨

  2025-01-06

  1. Supported hybrid AF in the camera’s C mode and phase-detection AF in P mode.

  2. Supported single, continuous, and video autofocus; Optimized continuous and video autofocus performance.

  3. Supported minor AF-C focus point adjustments during high-speed continuous shooting

  4. Supported lens shutdown reset: AF motor retraction and aperture closure to minimum.

  5. Supported lens-side Fn button functionality.

  6. Fixed issue where lens stabilization failed and body IS did not work properly.

  7. Added compatibility with Sony A7M5.