Zeiss announced that Firmware Updates are available to support PDAF with Zeiss Touit 12mm, 32mm and 50mm lenses through world-wide Zeiss service centers. Please note: this is a service center update – it’s not possible to perform this update the lenses yourself with a firmware download.
Improvements
Zeiss Touit 12mm F2.8 E-mount & Touit 32mm F1.8 E-mount:
An update to firmware version 02 is available for the Touit 12mm F2.8 and Touit 32mm F1.8 E-mount lenses. With this version, the lenses also support phase detection autofocus and the fast hybrid autofocus of newer Sony E-mount cameras.
Zeiss Touit 50mm F2.8 E-mount:
A firmware update to Version 02 is now available for the Touit 50mm F2.8 E-mount. It corrects the following behavior that may have occurred with the previous lens firmware version with particular camera menu setting and in particular situations:
Instructions & Update
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.
Note: The menu and navigation can vary depending on the camera model. Please read the user manual for your camera for detailed information.
Note: The menu and navigation can vary depending on the camera model. Please read the user manual for your camera for detailed information.
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.
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 our delivery note to the ZEISS Service address nearest to you. Please note that we can only process your order when it is accompanied by a correctly completed delivery note.
Important information:
It is not possible to reinstall the previous firmware version after performing the firmware update. Sending the lens to us confirms your acceptance of terms.