How to do firmware update?

  1. Prepare the Micro USB cable clip (gifted with the adapter) and a Windows/MAC computer
  2. Download the firmware below.
  3. Unzip the file.
  4. Connect the adapter to your computer and a new drive will appear (like any portable drive). Copy and paste the file you unzipped into the drive. Do NOT need to remove the original file.
  5. Eject the drive  (VERY important step)
  6. Unplug the USB cable and the upgrade is completed.
Date Firmware version Details Link
6 Sep V2.0.0 V2.0 will be able to perform the following:

– Exif showing correct lens model, focal length and aperture value, and thus problems related.

– Easing shutter lag when shooting at with aperture value less than f5.6

– Autofocus lenses executing manual focus

– Upgrade of autofocusing speed of Sigma lenses of which they had this issue with the adapter before

– No more camera-freeze situation after shutter release of Voigtlander VE and Zeiss Loxia lenses

– No more focus drifting situation of some Tamron lenses of which they had this issue with the adapter before

– AF realization of some Samyang lenses of which they cannot autofocus with the adapter before

– Improved Sony 24 f/1.8 ZA, 100GM, 85GM AF experience

24 Aug V 1.2.0 – Solving the bug of Tamron automatic zoom lens malfunctions Download
24 Aug V1.1.0 – The original firmware Download