 |
Item | Red dot sight lens |
Material | Bk7 |
Focal length range | R=61.6-214 |
Transmittance | Red dot 400-600 T>90% 640 R>90% Red green dot 400-700 T>50% |
Surface quality | 60/40 |
Surface flatness | <2λ@635nm |
Dimesion tolerance | +/- 0.1 |
Item | Red dot sight lens |
Material | Bk7 |
Focal length range | R=61.6-214 |
Transmittance | Red dot 400-600 T>90% 640 R>90% Red green dot 400-700 T>50% |
Surface quality | 60/40 |
Surface flatness | <2λ@635nm |
Dimesion tolerance | +/- 0.1 |
