由两片或更多透镜组成；
扩展激光光束束腰半径；
压缩光束发散角；
多种波长、多放大倍率选择；
针对工作波段增透，整体透过率>97%;
铝合金镜筒，黑色阳极氧化，表面喷沙处理。
| 波长（nm） | 放大倍数 | 出瞳D (mm) | 总长L (mm) | 接口 | 类型 |
| 1064 | 3 | 30 | 77 | M22×0.75 | SL-LBE-1064M3 |
| 1064 | 4 | 30 | 77 | M22×0.75 | SL-LBE-1064M4 |
| 1064 | 5 | 30 | 77 | M22×0.75 | SL-LBE-1064M5 |
| 1064 | 6 | 30 | 77 | M22×0.75 | SL-LBE-1064M6 |
| 1064 | 8 | 30 | 100 | M22×0.75 | SL-LBE-1064M8 |
| 633 | 3 | 30 | 77 | M22×0.75 | SL-LBE-633M3 |
| 633 | 4 | 30 | 77 | M22×0.75 | SL-LBE-633M4 |
| 633 | 5 | 30 | 77 | M22×0.75 | SL-LBE-633M5 |
| 633 | 6 | 30 | 77 | M22×0.75 | SL-LBE-633M6 |
| 633 | 8 | 45 | 100 | M22×0.75 | SL-LBE-633M8 |
| 532 | 3 | 30 | 77 | M22×0.75 | SL-LBE-532M3 |
| 532 | 4 | 30 | 77 | M22×0.75 | SL-LBE-532M4 |
| 532 | 5 | 30 | 77 | M22×0.75 | SL-LBE-532M5 |
| 532 | 6 | 30 | 77 | M22×0.75 | SL-LBE-532M6 |
| 532 | 8 | 45 | 100 | M22×0.75 | SL-LBE-532M8 |