ZEISS Touit E-Mount Firmware Update

A firmware update has been made available from ZEISS for the Touit 2.8/50M with E-mount. The update corrects the following behavior that may have occurred with the previous lens firmware version with particular camera menu setting and in particular situations:

  • clearly noticeable shutter release delays when pressing the release button with activated flash
  • ‘hunting’ for the focus point with the camera in AF-C mode
  • all Touit 2.8/50 macro lenses for E-mount cameras ever delivered already support phase detection autofocus and the fast hybrid autofocus of newer Sony E-mount cameras with their proprietary firmware.

 Touit 2.8/12 E-mount & Touit 1.8/32 E-mount:

An update to firmware version 02 is available for the Touit 2.8/12 and Touit 1.8/32 lenses with E-mount. With this version, the lenses also support phase detection autofocus and the fast hybrid autofocus of newer Sony E-mount cameras.

Checking the firmware version

1.) Select Menu --> Settings --> Version on your camera.

2.) The currently installed versions of the firmware for the camera and lens are displayed.

3.) No update is required for lens firmware versions (lens version) 02 and higher.

firmware_update_manual_01

Note: The menu and navigation can vary depending on the camera model.  Please read the user manual for your camera for detailed information.

Updating the firmware:

Please send your lens to ZEISS for firmware upgrading. It is not possible to perform this update yourself with a firmware download.

Please pack your lens carefully and send it together with a completed copy of the delivery note to the ZEISS Service address provided below. Please note that ZEISS can only process your order when it is accompanied by a correctly completed delivery note.

Americas:
Carl Zeiss SBE, LLC
Attn: Camera Lens Division, Service
One Zeiss Drive
Thornwood, NY 10594
USA

Important note:

Please make sure that your camera has the latest firmware version installed. Please check with your camera manufacturer that you have the latest version of your camera firmware installed (e.g. website). Please follow the camera manufacturer’s instructions when upgrading the camera firmware.  It is not possible to reinstall the previous firmware version after performing the firmware update. Sending the lens to us confirms your acceptance of this.

For additional questions or concerns, contact ZEISS here.

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