2Pcs Cardboard Virtual Reality VR BiConvex Lenses Only 25mm x 45mm B Dz

ITEM NAME:2Pcs Cardboard Virtual Reality VR BiConvex Lenses Only 25mm x 45mm B Dz.Biconvex Lenses for Google Cardboard. A convex lens facing the phone, the flat side toward the eye, the image will not be reversed. Focal Length: 45mm.