About this download

This lens must be attached to an E-mount body camera to perform this update. The update method may vary depending on the camera you are using.

• For the ILCE-7M5:
  Poznámky: As of March 10, 2026, we are no longer providing the memory card version of the lens system software update for the ILCE-7M5. Therefore, the memory card version of the lens system software update cannot be used with cameras currently on sale.
  Please update the lens system software using the Windows or Mac OS version below:
  • SEL400F28GM Lens System Software (Firmware) Update Ver.02 (Windows)
  • SEL400F28GM Lens System Software (Firmware) Update Ver.02 (Mac)
• For the PXW-FS7M2, UMC-S3C, UMC-S3CA, or ILME-FR7:
  Please update by following the update procedure below.
  • SEL400F28GM Lens System Software (Firmware) Update Ver.02 (for PXW-FS7M2, UMC-S3C, UMC-S3CA, and ILME-FR7 models)
• If you are using a camera not listed above:
  Please update using the Windows or Mac OS version.
  • SEL400F28GM Lens System Software (Firmware) Update Ver.02 (Windows)
  • SEL400F28GM Lens System Software (Firmware) Update Ver.02 (Mac)
  Poznámka: Some cameras cannot be used for the update (Model list).