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K9 Glass Lenses Bi-Convex /Double Convex with different diopters
Reeth Company have many different diameters Bi-convex / Double Convex glass lens K9 Materials with different diopters, the detail as below
item | Lens Diameter | Focus Length | Diopter |
1 | 20mm | 40mm | 25 |
2 | 27mm | 100 mm | 10 |
3 | 40mm | 200mm | 5 |
4 | 40mm | 152mm | 6.5 |
5 | 40mm | 100mm | 10 |
6 | 40mm | 50mm | 20 |
7 | 44mm | 66mm | 15 |
8 | 50mm | 300mm | 3.3 |
9 | 50mm | 250mm | 4 |
10 | 50mm | 200mm | 5 |
11 | 50mm | 120mm | 8 |
12 | 50mm | 100mm | 10 |
13 | 50mm | 48mm | 20.8 |
14 | 62.6mm | 67mm | 15 |
15 | 45mm | 100mm | 10 |
16 | 50mm | 40mm | 25 |
17 | 102mm | 20mm | 5 |