
Substrate: H-K9L
Surface Flatness: λ/10@ 633 nm
Surface Quality: 10/5
Parallelism: ≤3 arcmin
Clear Aperture: >90% of Diameter

Substrate: H-K9L
Surface Flatness: λ/10@ 633 nm
Surface Quality: 10/5
Parallelism: ≤3 arcmin
Clear Aperture: >90% of Diameter
| Dia | Thickness | protected Aluminium model | UV Aluminium model | protected Silver model | protected Gold model |
| Φ5.0 | 2 | JKM12-005-AL | JKM12-005-UVAL | JKM12-005-AG | JKM12-005-AU |
| Φ6.3 | 2 | JKM12-006-AL | JKM12-006-UVAL | JKM12-006-AG | JKM12-006-AU |
| Φ10.0 | 2 | JKM12-010-AL | JKM12-010-UVAL | JKM12-010-AG | JKM12-010-AU |
| Φ12.5 | 6 | JKM12-012-AL | JKM12-012-UVAL | JKM12-012-AG | JKM12-012-AU |
| 12.5×12.5 | 6 | JKM12-12SQ-AL | JKM12-12SQ-UVAL | JKM12-12SQ-AG | JKM12-12SQ-AU |
| Φ15.0 | 6 | JKM12-015-AL | JKM12-015-UVAL | JKM12-015-AG | JKM12-015-AU |
| Φ20.0 | 6 | JKM12-020-AL | JKM12-020-UVAL | JKM12-020-AG | JKM12-020-AU |
| Φ25.0 | 6 | JKM12-025-AL | JKM12-025-UVAL | JKM12-025-AG | JKM12-025-AU |
| 25.0×25.0 | 6 | JKM12-25SQ-AL | JKM12-25SQ-UVAL | JKM12-25SQ-AG | JKM12-25SQ-AU |
| Φ30.0 | 10 | JKM12-030-AL | JKM12-030-UVAL | JKM12-030-AG | JKM12-030-AU |
| Φ38.0 | 10 | JKM12-038-AL | JKM12-038-UVAL | JKM12-038-AG | JKM12-038-AU |
| Φ50.0 | 10 | JKM12-050-AL | JKM12-050-UVAL | JKM12-050-AG | JKM12-050-AU |
| 50.0×50.0 | 10 | JKM12-50SQ-AL | JKM12-50SQ-UVAL | JKM12-50SQ-AG | JKM12-50SQ-AU |