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

 

 

 

2 m Ritchey-Chretien-Coude (RCC) Telescope

 

 

 

Îptical 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

Manufacturer: Carl Zeiss Jena, Germany

 

 

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  Optical design and mount

 

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                                              Coude Design                                                    Ritchey-Chretien Design (RC)

 

 

1 – 2m primary hyperbolic mirror

2a and 2b – RC and Coude secondary mirrors

3, 4 and 5 – flat mirrors

m – mechanism carrying the primary mirror

n – position for the light receiving equipment

P – counterweight

Î – centre of gravity

s – polished metal sphere (upper bearing)

a – oil-film on the upper spherical bearing

a’ – lower (southern) bearing

 

 

See also Change of the optical design

 

 

 

 

Telescopes and cameras

 

User manual for 2-m RCC-telescope

 

Photogallery - the 2-m RCC-telescope