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Aperture blades Noise on GH4 with Metabones
  • My Panny GH4+ Sigma 18-35 paired with Metabones MFT-EF Speedbooster Old 0.71x version) is giving a prominently audible Aperture blades opening and closing noise (Both with the jog dial and the manual lever on the MB-SB) suddenly. This sound was not there until last time i had touched my camera (like 10 days back) and updated my Metabones firmware to 2.0 (Could the update be the reason for this iris sound or something else? I have already tried the remove and reattach the lens and the adapter, dint work.

    Any clue?