| RCOS 10" f/6 | Telescope or lens | 1 | 1 |
| RCOS 10" f/9.1 Carbon Tube Ritchey-Chrétien | Telescope or lens | 2 | 21 |
| RCOS 100mm Series Flattener-Corrector | Accessory | 0 | 0 |
| RCOS 12.5" f/9 Carbon Truss Ritchey-Chrétien | Telescope or lens | 8 | 53 |
| RCOS 12.5" f/9 Carbon Tube Ritchey-Chrétien | Telescope or lens | 14 | 74 |
| RCOS 120mm Series Flattener-Corrector | Accessory | 0 | 0 |
| RCOS 14.5" f/8 Carbon Truss Ritchey-Chrétien | Telescope or lens | 4 | 3 |
| RCOS 16" f/12 PROMPT Carbon Truss Ritchey-Chrétien | Telescope or lens | 1 | 4 |
| RCOS 16" f/8.4 Carbon Truss Ritchey-Chrétien | Telescope or lens | 2 | 26 |
| RCOS 16" f/8.4 Carbon Tube Ritchey-Chrétien | Telescope or lens | 1 | 4 |
| RCOS 16" f/9 Carbon Truss Ritchey-Chrétien | Telescope or lens | 3 | 26 |
| RCOS 16" f/9 Carbon Tube Ritchey-Chrétien | Telescope or lens | 3 | 15 |
| RCOS 20" f/8.1 Carbon Truss Ritchey-Chrétien | Telescope or lens | 0 | 0 |
| RCOS 20" f/8.1 Carbon Tube Ritchey-Chrétien | Telescope or lens | 0 | 0 |
| RCOS 20" f/8.2 Carbon Truss Ritchey-Chrétien | Telescope or lens | 1 | 1 |
| RCOS 20" f/8.2 Carbon Tube Ritchey-Chrétien | Telescope or lens | 0 | 0 |
| RCOS 24" f/7.8 Carbon Truss Ritchey-Chrétien | Telescope or lens | 1 | 5 |
| RCOS 24" f/7.8 Carbon Tube Ritchey-Chrétien | Telescope or lens | 0 | 0 |
| RCOS 24" f/8 Carbon Tube Ritchey-Chrétien | Telescope or lens | 1 | 1 |
| RCOS 32" f/7 Carbon Tube Ritchey-Chrétien | Telescope or lens | 6 | 24 |
| RCOS 70mm Series Flattener-Corrector | Accessory | 0 | 0 |
| RCOS 82mm Series Flattener-Corrector | Accessory | 0 | 0 |
| RCOS Professional Series Equatorial Fork Mount | Mount | 2 | 5 |
