| Code | Definition |
|---|---|
| BAK4 | BAK4 Porro |
| BK7 | BK7 Porro |
| Rf | Roof |
| C | Coated |
| Fc | Fully Coated |
| Fmc | Fully Multi-Coated |
| Mc | Multi-Coated |
| Ph | Phase Coated |
| Wp | Waterproof |
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