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| 焦距 | 500-mm focal length Seya-Namioka design |
| 出口狭缝与入口狭缝的角度 | 70° 15' |
| f 数 | 11.6 |
| 光栅 | 30 x 50-mm ruled area |
| 波长精度 | +/-0.1-nm (on counter, with 1200 G/mm grating) |
| 波长重复性 | +/- 0.005 nm (with 1200 G/mm grating) |
| 焦平面 | Multiply dispersion by the width of your detector for range |
| 波长覆盖范围 | refer to grating of interest for range |
| 刻划线数(G/mm) (others available) | 2400 | 1800 | 1200 | 600 | 300 |
| 波长覆盖范围 从 30nm 到 | 150nm | 200nm | 300nm | 600nm | 1.2um |
| 闪耀波长 | holo | holo | holo | holo | holo |
| 70 nm | 150 nm | 550 nm | |||
| 150 nm | |||||
| 200 nm | |||||
| 分辨率（在 313.1nm） | 0.025 | 0.035 | 0.05 | 0.1 | 0.2 |
| 线色散倒数(nm/mm) | 0.83 | 1.1 | 1.66 | 3.33 | 6.66 |
