The Dome Port Cover S is made of neoprene as same as wet suits and designed to fit 115mm / 4.5in dome. It is recommended to cover compatible dome lens/port all the time to prevent accidental damage unless shooting images. The Dome Port Cover S has slits on its top and bottom to help easy and speedy installation/removal on a dome lens/port equipped with a hood. Compatible Ports: Dome Port 115, Front Port Dome 115, Dome Port EP02 for Olympus, Dome Port EP01 for Olympus Compatible Attachment Lenses: Dome Lens Unit II for UWL-H100, Dome Lens Unit II for UWL-100, Dome Lens Unit for UWL-100
Please do not put this product on compatible lens/port if either of them is not completely dry to avoid degradation of lens coating or lens material itself resulting in spot / burn.