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1.5 m telescope ASA AZ1500

 

 

 

Îptical parameters

Optical system: Ritchey-Chrétien-Nasmyth

Diameter of the primary mirror: 1.5 m, f/2

Focal length: 9 m

Focal ratio: f/6

Diameter of the flat focal field: 200 mm

Maximum field of view: 1.27°, 22.9″/mm

Mirror material: zerodur

Mount type: alt-azimuthal, direct drive

Manufacturer: ASA Astrosysteme GmbH, Austria

 

 

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  Optical design

 

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1 – 1..5 m primary hyperbolic mirror

2 – secondary hyperbolic mirror

3 – rotating flat mirror

4 – field flattener

F1 and F2 – Nasmyth focuses

m – flat mirror actuator

c – cross for the secondary mirror (spider)

b1 and b2 – baffles

 

 

 

Telescope technical data from the manufacturer's website

 

The New 1.5 m telescope at NAO Rozhen (video)

 

 

 

 

Telescopes and cameras