Telescopes and CCD-cameras | User manual for 2-m RCC-telescope | Photogalleries
The 2-m Ritchey-Chretien-Coude (RCC) Telescope
Îptical parameters:
Diameter of the Primary mirror - 2 m.
By system Ritchey-Chretien:
Focal lenght - 16 m;
Focal ratio - F/8.
By system Coude:
Focal lenght -72 m;
Focal ratio - F/36.
Optical design and mount

1 - 2m primary hyperbolic mirror;
2a and 2b - RC and Coude secondary hyperbolic mirrors;
3, 4 and 5 - flat mirrors;
F’ - Ritchey-Chretien focus (RC-focus);
F” - Coude focus.
P - counterweight;
Î - centre of gravity;
S - polished metal sphere (top bearing);
a - oil-film for top bearing;
a’ - bottom (sout) bearing.
See also Change of the optical design
User manual for 2-m RCC-telescope
Photogallery - the 2-m RCC-telescope