Telescopes and CCD-cameras | User manual for 2-m RCC-telescope | Photogalleries

 

 

 

The 2-m Ritchey-Chretien-Coude (RCC) Telescope

 

 

 

ptical parameters

Diameter of the Primary mirror: 2 m

By system Ritchey-Chretien

Focal length: 16 m

Focal ratio: f/8

By system Coude

Focal length: 72 m

Focal ratio: f/36

 

 

Description: C:\htm\WEB_NAO\telescopes\fr2_files\image701.jpg   Description: C:\htm\WEB_NAO\telescopes\fr2_files\image702.jpg

 

 

  Optical design and mount

 

Description: C:\htm\WEB_NAO\telescopes\fr2_files\image705.jpg

                                              Coude Design                                                    Ritchey-Chretien Design (RC)

 

 

1 - 2m primary hyperbolic mirror

2a and 2b Coude and RC secondary mirrors

3, 4 and 5 - flat mirrors

F - Coude focus

F - Ritchey-Chretien focus (RC-focus)

P - counterweight

- 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

 

 

 

 

Telescopes and CCD-cameras

 

User manual for 2-m RCC-telescope

 

Photogallery - the 2-m RCC-telescope