Sea & Sea O-Ring Set for VF45 1.2x Viewfinder

The Sea & Sea O-Ring Set for VF45 1.2x Viewfinder is a set of O-rings for the VF45 1.2x 45° prism viewfinder for MDX-series underwater DSLR camera housings. O-rings keep your viewfinder watertight and generally last for 1 year before needing to be replaced.