Semi Bum Lens
-                
                 CR39 1.49 1.56 semi-perfectum UC/HC/HMC S/F lens
 -                
                 1.56 SF semi-perfectus PGX photogray lens optica
 -                
                 1.56 SF semi perfecti Flat top bifocal Optical Lens
 -                
                 1.56 Semi Bum Flat Top Optical Lentes FT Lens Danyang Optical
 -                
                 1.49 SF Semi Progressive Multifocal UC Optical Lens
 -                
                 1.49 SF Semi Finished Round top bifocal UC/HC/HMC Lens Otical
 -                
                 1.56 SF Semi Finished Round top bifocal UC/HC/HMC Lens optical
 -                
                 CONVOX 1.49 SF Semi Finished Flat top bifocal UC/HC/HMC Uncoating Lens Optical
 -                
                 1.59 SF Semi Fini PC Polycarbonate HMC Optical Lens
 -                
                 1.56 SF Semi Progressive Multifocal PGX HMC Lens Optical
 -                
                 CONVOX 1.56 SF Round top bifocal photochromic griseus pgx HMC Lens optical
 -                
                 1.74 SF semi-perfectum UC/HC/HMC lens ophthalmicum
 
                 






