The Sea & Sea VF180 is attached to the housing by replacing the original viewfinder. The magnification ratio is 1.2x without sacrificing the field of view. As the VF180 1.2x is straight finder, you can compose your images as if you are looking directly through the camera's viewfinder. Its 8 element 6 group optical lenses reproduce natural colors. The viewfinder is filled with nitrogen gas to prevent condensation and fogging. The eyepiece guard helps provide a clear view as it does not allow light to enter the viewfinder.