We offer secondary flat mirrors to match the complete telescope set request, our elliptic flat mirror has the same high optical quality of our parabolic primary mirrors. All mirrors have an enhance aluminum reflective coating, reflectivity is approximately 93%. The aluminum coating is protected by a properly applied protective coating (SiO2). Any custom made flat mirrors should be welcome!
Specifications:
| Item No. | Aperture | F/Ratio | Thickness | Material | PS. |
| AD041 | 28mm | Flat | 8mm | BK7 | Elliptic |
| AD012 | 31mm | Flat | 10mm | BK7 | Elliptic |
| AD046 | 46mm | Flat | 10mm | BK7 | Elliptic |
| AD007 | 50mm | Flat | 10mm | BK7 | Elliptic |
| AD047 | 62mm | Flat | 10mm | BK7 | Elliptic |
| AD091 | 68mm | Flat | 12mm | BK7 | Elliptic |
| AD009 | 70mm | Flat | 12mm | BK7 | Elliptic |
| AD092 | 74mm | Flat | 12mm | BK7 | Elliptic |
| AD091 | 80mm | Flat | 20mm | BK7 | Elliptic |
| AD037 | 88mm | Flat | 20mm | BK7 | Elliptic |
| AD018 | 104mm | Flat | 20mm | BK7 | Elliptic |
| AD077 | 120mm | Flat | 20mm | Quartz | Elliptic |
