| 属性 | 规范 |
| 材质 | N-BK7 Grade A optical glass |
| 尺寸公差(mm) | +0.0/-0.2 |
| 通光孔径 | 80% |
| 偏差 | 1800±3 arc senconds. |
| 平坦度(@ 633nm) | λ/4 on big surface, λ/8 on reflection surfaces |
| 表面质量 | 60/40 |
| 斜角(mm) | 0.2-0.5 |
| 反射面上的反射涂层 | upon request |
| 输入和输出侧的涂层 | upon request |
| Part No. | f (mm) | h (mm) |
| FCC1101 | 15 | 11.3 |
| FCC1102 | 25.4 | 19 |
| FCC1103 | 38 | 28.5 |
|
FCC1104 |
50.8 | 37.5 |

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