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有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 | 型号 |
| 1064 | 3倍 | 30 | 77 | M22×0.75 | SL-LBE-1064M3 |
| 1064 | 4倍 | 30 | 77 | M22×0.75 | SL-LBE-1064M4 |
| 1064 | 5倍 | 30 | 77 | M22×0.75 | SL-LBE-1064M5 |
| 1064 | 6倍 | 30 | 77 | M22×0.75 | SL-LBE-1064M6 |
| 1064 | 8倍 | 30 | 100 | M22×0.75 | SL-LBE-1064M8 |
| 633 | 3倍 | 30 | 77 | M22×0.75 | SL-LBE-633M3 |
| 633 | 4倍 | 30 | 77 | M22×0.75 | SL-LBE-633M4 |
| 633 | 5倍 | 30 | 77 | M22×0.75 | SL-LBE-633M5 |
| 633 | 6倍 | 30 | 77 | M22×0.75 | SL-LBE-633M6 |
| 633 | 8倍 | 45 | 100 | M22×0.75 | SL-LBE-633M8 |
| 532 | 3倍 | 30 | 77 | M22×0.75 | SL-LBE-532M3 |
| 532 | 4倍 | 30 | 77 | M22×0.75 | SL-LBE-532M4 |
| 532 | 5倍 | 30 | 77 | M22×0.75 | SL-LBE-532M5 |
| 532 | 6倍 | 30 | 77 | M22×0.75 | SL-LBE-532M6 |
| 532 | 8倍 | 45 | 100 | M22×0.75 | SL-LBE-532M8 |
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