N=1.523 photogramic mineral lens PGX PBX (China Blank)
(1) fnished Dia65mm PGX PBX mineral lens singel vision dia: 65mm
Sphere: G2/G4/G6 Cylinder: G2/2 G4/2 G6/2
(2)semi-finished n=1.523 photogramic mineral PGX PBX flat top bifocal lens
dia: 65mm D28mm base 6