Lens Type	Catalog
1.50 Plastic SF Bifocal Flat Top 28 [ FT-28 ] UC/HC
1.56 SF Executive Bifocal [E-Line] HC
1.59 Poly SF Bifocal Flat Top 28 [ FT-28 ] HC
1.67 (MR-7) Aspheric SF Bifocal Flat Top 28 [FT-28] HC