ttl

  1. J

    Sony A9 III  ProFoto A1X and on-camera TTL Issue

    I have encountered a little issue happening when the ProFoto A1X (and possibly similar) is mounted to the a9 III's hot shoe and used for TTL flash. The a9 III's max sync speed while using TTL is 1/500th. If you dial your SS past 1/500th, the camera automatically goes into HSS and the flash goes...

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