Sony F2.8 70-200mm Zoom GM and FE 100-400mm F4.5–5.6 GM OSS Firmware Update

Sony FE 100-400mm F4.5–5.6 GM OSS Firmware Update v02 (Download Here)

  • Improves continuous autofocus (AF-C) performance while zooming in when attached to ILCE-9 *1
    *1: Latest system software update required.

Sony F2.8 70-200mm Zoom GM Firmware Update v03 (Download Here)

  • Improves continuous autofocus (AF-C) performance while zooming in when attached to ILCE-9 *1
    *1: Latest system software update required.
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