鼓形透镜是两端为球形的玻璃透镜，在沿轴方向提供一个定位面，磨砂的圆周D是与此相关的球形透镜的简单处理得到的。它比较适合光通讯中光的传输。B类型鼓形透镜有一个直接和光纤接触的抛光平面，它就好像是拉长了的平凸镜片。
| D | Radius R | Length | Length L2 | Stock No. |
| Type A Drum Lenses | ||||
| 2mm | 1.25mm | 2.5mm | 1.5mm | #45-548 |
| #45-739 | ||||
| #45-836 | ||||
| #45-663 | ||||
| #45-743 | ||||
| 2.4mm | 1.5mm | 3mm | 1.8mm | #45-549 |
| #45-837 | ||||
| #45-664 | ||||
| #45-744 | ||||
| 3.2mm | 2mm | 4mm | 2.4mm | #45-550 |
| #45-741 | ||||
| #45-838 | ||||
| #45-665 | ||||
| #45-745 | ||||
| 4mm | 2.5mm | 5mm | 3mm | #45-551 |
| #45-839 | ||||
| #45-742 | ||||
| #45-666 | ||||
| Type B Half-Drum Lenses | ||||
| 2mm | 1.25mm | 2mm | 1.5mm | #46-524 |
| #46-528 | ||||
| 2.4mm | 1.5mm | 2.4mm | 1.8mm | #46-525 |
| #46-529 | ||||
| 3.2mm | 2mm | 3.2mm | 2.4mm | #46-526 |
| #46-530 | ||||
| 4mm | 2.5mm | 4mm | 3mm | #46-527 |
| #46-531 | ||||
直径容差 (μm):
+0/-50
半径容差(μm):
+0/-1.5
表面质量:
40-20