Carbon Tube 12.5 inch f/9 Ritchey-Chrétien...
Shown here on a Paramount ME (not included) at LightBuckets in Rodeo, New Mexico. Also available here in clear anodize and white gloss paint.
- 12.5 inch f/9 Ritchey-Chrétien optics by Star Instruments using near zero Expansion ULE Type substrate certified to at least 1/25th wave RMS.
- Supporting Fringe Analysis and interferometric data supplied with each optical set.
- Enhanced Aluminum (SiO2/TiO2) overcoat - 96.9% reflectivity.
- Low expansion, light weight Carbon Fiber Truss for superior performance and stability.
- 6061 Aluminum components - All CNC Machined.
- Precision Secondary Mirror Focuser.
- 2-Stage Primary mirror baffle with internal knife-edge light stops.
- Conical Secondary light baffle.
- 6061 Aluminum Mounting Rings - CNC Machined.
- Active Cooling.
- RCOS "Focus and Forget" Technology.
- Shipped fully assembled, collimated, and ready to use.
- RCOS Custom CNC Machined "light weight" (Losmandy compatible) dovetail plates - top and bottom with matching Paramount VersaPlate hole pattern, allows dovetail mounting plate to be bolted to VersaPlate once scope is balanced.
- CNC machined dust cover over primary mirror.
|
Base Price |
Call |
| Delivery Status |
45-60 Days Upon Receipt of Optics |
| Focal Length |
2857mm |
| Overall Length/Diameter |
See diagram |
| Total Weight* |
See diagram |
| System |
12.5" f/9 |
| Primary Focal Length |
37.5" |
| Back Focus |
12" |
| Secondary Amplification |
2.85X |
| Radius of Field Curvature |
14.65" |
| Secondary Size |
4.80" |
| Primary Hole |
3.5" |
Mass Properties and Dimensions (typical)
Complete and fully assembled OTA Price: Call
