The Ikelite 5509.44 Zoom / Focus Gear Set is a three piece accessory set that enables functions of the Sony FE 24-70mm f/2.8 GM II while inside of a DL Sony housing of your choice. The required configurations and extensions are as follows:

• Sony FE 24-70mm f/2.8 GM II + 75042 Port Extension + 75028 Port Extension
• Sony FE 24-70mm f/2.8 GM II + 75050 Port Extension + 75020 Port Extension

Always refer to the correct port chart to ensure your configuration is correct!