MTZ11
How to do a firmware update?
- Prepare a Micro USB cable and a Windows/MAC computer
- Download the firmware below.
- Unzip the file.
- 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.
- Eject the drive (VERY important step)
- Unplug the USB cable and the upgrade is completed.
| Date | Firmware version | Details | Link |
| 29 Oct | V 3.0 | – Compatible with Z6ii and Z7ii V1.40 firmware
– Compatible with Zfc – Upgrade Z50 and Zfc focusing accuracy – Fix the problem of occasional interruption during video recording or not recording in some frame rates |
Download |
| 01 May | V 2.1 | – Solving the bug of Z6ii/Z7ii interruption problem when shooting in 4K60FPS/50FPS
– Solving the bug of Z5/Z6Z7 interruption problem when shooting in 1080P 120FPS |
Download |
| 01 Feb | V 2.0 |
– Faster AF-S, less focus hunting – Improved AF-C performance, more accurate face, and eye detection – Smoother AF-F and more precise continuous focusing – Default focal length as 50mm(can overwrite the focal length manually) – Fix extension or retraction problem of the adapter when the camera is off – Fix the automatic restart of adapter for shooting long exposure photos over 70s |
Download |
| 28 Oct | V1.2.1 |
– Fix error in EXIF reading – Fix AF stuck in video mode shooting – Fix occasion camera freeze during camera start |
Download |
| 2 Nov | V1.3.1 |
– Fix the adapter malfunction when shutter is pressed during bayonet retraction when camera starts – Improve AF experience by reducing the unnecessary extension and retraction – Fix the premature ending when shooting video on certain framerate |
Download |
Calibration Tool
If you are experiencing some frequent focus hunting /focus-off cases, we recommended you use this calibration tool to further improve the adapter. Please follow the below steps closely to run the calibration.
Download Link of the Calibration tool
- Download the Calibration tool file and the latest firmware file
- Unzip the Calibration tool file.
- Set your camera ‘Standby timer’ to 10 min. (Custom Settings Menu -> c3 -> Standby timer)
- Connect the adapter to your computer and a new drive will appear (like any portable drive). Copy and paste the calibration tool file you unzipped into the drive. Do NOT need to remove the original file.
- Eject the drive, disconnect the cables and mount your Megadap adapter & lens onto the camera
- Switch on the camera and the adapter bayonet should start motor in and out
- Let it run for 5 minutes and then switch off the camera
- Connect the adapter to your computer again. Copy and paste the unzipped firmware file into the drive. Do NOT need to remove the original file.
- Eject the drive and you are good.