Sony Support

SEL50F18 System Software Update

Applicable Models

IMPORTANT: This file is only for use with the models identified. Not all models are sold in all countries.

This information is for the following models:

  • ILCE-6000
  • ILCE-6000L
  • ILCE-7
  • ILCE-7K
  • NEX-5R
  • NEX-6
  • SEL-50F18

About this download

Benefits and improvements

This utility updates the System Software for the SEL-50F18 50mm f/1.8 lens to version 02 which provides the Fast Hybrid AF function.

Note: The lens must be attached to a camera to perform this update. The NEX-5, NEX-3, NEX-C3, NEX-VG10, and PXW-FS7 model cameras cannot be used.

System Requirements

Operating Systems

  • Windows Vista®
  • Windows Vista® 64-bit
  • Windows® 10
  • Windows® 10 64-bit
  • Windows® 7
  • Windows® 7 64-bit
  • Windows® 8
  • Windows® 8 64-bit
  • Windows® 8.1
  • Windows® 8.1 64-bit

File Info

File Name

  • Update_SEL50F18V2D.exe

File Version

  • 02

File Size

  • 4.49 MB

Release Date

  • 02-04-2013

Before You Start


Determine if Your Lens Needs the Update

Check the version of your camera lens System Software:


  1. Attach the lens to the camera.
    Note: Please make sure the camera is off before you attach the lens.
  2. Power on the camera.
  3. Press the Menu button.
  4. At the "Menu" screen, select "Setup".
  5. At the "Setup" screen, select "Version".
  6. The System Software version is displayed on the LCD screen.
    System Software Version Screen
    If the current System Software version is Ver.02 or higher, the camera lens does not need this update.

Important Notes

  • This System Software update can be performed only when the lens is attached to a camera. Do not install this update with any other model.
  • WARNING!!: This System Software update and any changes incurred by it are permanent. It is not possible to return to a previous version after updating this System Software. By continuing this update process and downloading and updating this System Software, you acknowledge that you are aware and understand that this update cannot be reversed.
  • This update process requires the following items for proper updating:
    • A computer with:
      • Available Hard Disk Space: 200 MB or more
      • Installed Memory (RAM): 512 MB or more
      • A USB port.
      • One of the following Microsoft® Windows® operating systems installed:
        • Windows 10
        • Windows 8/8.1
        • Windows 7 (with Service Pack 1)
        • Windows Vista® (with Service Pack 2)
          Note: Starter Edition of Windows Vista is not supported.
  • A compatible E-mount camera (NEX-5, NEX-3, NEX-C3, NEX-VG10, and PXW-FS7 model cameras are not compatible).
    Note: Camera models NEX-5R and NEX-6 require firmware version 1.01 or higher, for the latest camera firmware information, please visit the NEX-5R or NEX-6 support page.

    • This update can only be performed when the remaining battery level has three bars Battery Indicater or more. When performing the System Software update, it's recommended that you use a fully charged NP-FW50 rechargeable battery pack, or the AC-PW20 AC adapter/charger (sold separately).
    • WARNING!!: Do not remove the battery pack or AC adapter during the update process, otherwise, the camera may become inoperable due to the sudden power loss.
  • USB cable:
    • Use only the USB cable supplied with the camera.
      Update functionality is not guaranteed with any other USB cable.
  • To ensure that no other program interferes with the installation, save all work and close all other programs. The Taskbar should be clear of applications before proceeding.
  • It is highly recommended that you print out these instructions for use as a reference during the installation process.

Download & Install


Table of Contents

Download and Update the System Software

  1. Download the Update_SEL50F18V2D.exe file to a temporary or download directory (please note this directory for reference).
  2. Go to the directory where the file was downloaded and double-click the Update_SEL50F18V2D.exe file to begin the Firmware Updater.
  3. Remove the memory card from the camera
  4. Ensure the lens is attached the camera.
    Note: Please make sure the camera is off before you attach the lens.
  5. Power on the camera.
    Note: If the camera has already been powered on, power it off and then back on again.
  6. On the camera, press the "Menu" button, select "Setup", and then "USB Connection" and ensure "Mass Storage" is selected (this step is not necessary if you are using a QX series camera).
    Mass Storage USB Setting
  7. Connect the camera to your computer using the supplied USB cable.
    On the computer, the "Firmware Updater" window appears, and on the camera, the screen displays the message, "Follow computer instructions.".
    Notes:
    • If the message "The update is not available for your model." appears on the screen, ensure the System Software update is the correct file for the lens you have attached. If the file is correct for the lens, close the Firmware Updater program, disconnect the USB cable, power off the camera, restart the Firmware Updater program, and then continue the procedure.
    • If the message "Could not find the camera with the lens for this update mounted." appears on the screen, ensure you are using a a camera with the "Fast Hybrid AF" function, try disconnecting and reconnection the USB cable, and try another USB port on the computer.
  8. Verify that the remove hardware icon Remove Hardware Icon or Remove Hardware Icon is displayed in the task tray at the lower right-hand corner of the computer screen.
  9. At the "Firmware Updater" window, click "Next".
    Connect the Camera Screen
    WARNING!!: Do not power off the camera or disconnect the USB cable until the update process is complete.
  10. At the "Firmware Updater" window, click "Next".
    Check the Version Screen
  11. When the following screen is displayed, check the version number at the lower left.
    Current Version Screen
    Note: If the current version is "Ver.02", your camera lens does not need this update. Stop the USB connection by clicking the remove hardware icon Remove Hardware Icon or Remove Hardware Icon in the task tray in the lower right corner of the computer screen, click the "Finish" button on the "Firmware Updater" screen, then power off the camera, briefly remove the battery pack or the AC adaptor, and then power on the camera again.
  12. If the current version is "Ver.01", click "Next".
  13. When the following screen is displayed, click "Run".
    Note: The update process takes about five minutes to complete.
    Run the Update Screen
    WARNING!!: Do not power off the camera or disconnect the USB cable until the update process is complete.
  14. When the data transfer is complete, the following screen is displayed, click "Finish".
    the data transfer Screen
  15. The update process starts and the progress bar is displayed on the camera screen. This process takes approximately 30 seconds to complete.
    Updating the Lens Screen
  16. The update process is finished when the "Lens update complete." message is displayed on the camera screen.
    Lens Update Complete Screen
  17. Stop the USB connection by clicking the remove hardware icon Remove Hardware Icon or Remove Hardware Icon in the task tray in the lower right corner of the computer screen
  18. Disconnect the USB cable, power off the camera, and then remove the battery pack or AC adapter.
  19. Reconnect the battery pack or AC adapter and power on the camera.
Check the System Software Version After Updating (optional)
  1. Power on the camera.
  2. Press the Menu button.
  3. At the "Menu" screen, select "Setup".
  4. At the "Setup" screen, select "Version".
  5. The System Software version is displayed on the LCD screen.
    System Software Version Screen
    If the current System Software version is Ver.02, the update was successful.
    Note: If the System Software version number is not Ver.02, please download and install the update again.