LENS TYPES
LENS MATERIALS
Material | Index & Abbe | Advantages | Disadvantages |
---|---|---|---|
Plastic |
Index: 1.498 Abbe: 58 |
Almost as clear as Glass Less Expensive Tintable |
Breakable Heavy Thicker than Poly |
Glass |
Index: 1.52 Abbe: 59 |
Highest Abbe | Heavy Easily Breakable |
Trivex |
Index: 1.54 Abbe: 54 |
Impact Resistant - Tintable Block 100% of UV - Lightweight Higher Abbe than Polycarbonate |
Thicker than Poly |
Polycarbonate |
Index: 1.568 Abbe: 30 |
Lightweight Block 100% of UV Impact Resistant - Best Value |
Lower Abbe |
Ultra-Hi-Index |
Index: 1.74 Abbe: 45 |
Thinnest Lens Available
Block 100% UV |
Lower Abbe
More Brittle |
Hi-Index |
Index: 1.67 Abbe: 32 |
Thin and Light Block 100% UV |
Lower Abbe |