C11HD F2.2 Super Star Mirror 11" (Improved) ROWE-ACKERMANN SCHMIDT ASTROGRAPH (RASA 11) V2 OPTICAL TUBE ASSEMBLY (CGE DOVETAIL) "Optical Design Rowe-Ackermann Schmidt Star Mirror (RASA)
Caliber 279mm
Focal length 620mm
Focus ratio F2.22
Back intercept (calculated from the top of the thread) 72.8mm
Back intercept (calculated from the standard camera interface) 55mm
Center shield diameter 114mm
Star finder not included
Concentrating power (compared with human eyes) 1588X
Optical coating StarBright XLT
The total weight of the mirror body 19.5 Kg
Lens tube length 83.8cm
Accessories: 42mm camera T mount, 48mm camera T mount
Resolution (Rayleigh limit) 0.5 arcsec
Resolution (Dow limit) 0.41 arcsec
Dove tail plate: double LOSMANDY D type wide rail
Built-in filtering 12V cooling fan
Built-in super stable focusing system"
