230mm Optical-Glass Wide Angle Port II mil Then you will need to

Then you will need to install the rest of the Zoom gear from the bottom of the lens and and then hook the plastic insert of the focus gear over the top plastic lip that emerges from beneath the metal zoom gear

This focus gear is specific for the Sony SEL1855 E 18-55mm F3

Features a bayonet mount that allows it to be secured in place with the housing's port locking system

The moisture alarm is active

that means there is a leakage and please check every O-ring and conduct the vacuum test again

230mm Optical-Glass Wide Angle Port II mil Then you will need toNauticam optical glass dome ports are finely ground to the highest standard of precision and represent the state of the art in both manufacturing and optical technology. Different size ports are available to support a wide variety of lenses and housing types. Port extensions or adapters may be necessary for some ports and housings. This optical glass fisheye port has a diameter of 230mm and is part of the N120 port system. The internal port opening of