| Product parameters | |
| Item No.: | C-6741/6742/6743/6744/6745 |
| Magnification: | 2X 2.5X 3.0X 4.0X |
| Item No | Size(mm) | magnification | Diopter | shape | Material |
| C-6741 | 100x50 | 2X | 4 | Square lens | Plastic |
| C-6742 | Dia:100 | 2X | 3 | Round Lens | Plastic |
| C-6743 | Dia: 80 | 2.5x | 6 | Round Lens | Plastic |
| C-6744 | Dia: 60 | 3X | 8 | Round Lens | Plastic |
| C-6745 | Dia: 50 | 4X | 12 | Round Lens | Plastic |
