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| Horizontal focusing mirror | Vertical focusing mirror | |
|---|---|---|
| Mirror shape | Elliptical cylinder | Elliptical cylinder |
| Substrate material | Quartz | Quartz |
| Coating | Carbon | Carbon |
| Mirror substrate size | 420 × 50 × 50 mm | 420 × 50 × 50 mm |
| Grazing angle | 1.50 mrad | 1.55 mrad |
| Focal length | 1.55 m | 2.00 m |
| Semi-major axis | 51 m | 51 m |
| Semi-minor axis | 18.7 mm | 21.9 mm |
