This listing is for the lens to be used for VR goggles. This is a multi-focus lens made in Japan. Includes 4 lenses I want to create VR goggles by DIY. We only sell lenses in response to the voice that you cant get only lenses. Material Name: PMMA (Recycled Material); Focal Length: 2.0 inches (50 mm); Rear Focal Length: 1.8 inches (47.18 mm); Body Diameter: 1.8 inches (46 mm); Thickness: 0.3 inches (7.5 mm); Package includes a download URL that allows you to create a trapezoid goggle. We sell only lenses in response to the voice that only lenses are not available. Raw material name: PMMA (recycled material) Focal length: 50 ° Rear focal length: 47.18 mm Body diameter: 46 mm Thickness: 7.5 mm