Newton Type, Carbon Open Truss Tubes structure

HTN 500mm

 Model

HTN-500

  Type

Newton

  Mirror Dimension

500mm (20") Parabolic

  Focal Length  

1900 mm

  f Ratio

f/3.8 (f/3.6 with Wynne 3'')

  Optical  

Cellular borosilicate 33 mirrors

  Overall Length  

1767 mm (69 1/2")

  

  Overall Width  

700 mm (27 1/2")

  Weight

48kg (106lbs)

  • Lightweight and strong structure 

  • Rapid thermal adaptation with the open structure

  • Primary and secondary cellular mirror, reducing the weight and faster thermal adaptation

  • 4 positions secondary mirror, manual or motorised rotation.  Is it now possible to have 4 telescopes in one : add a Barlow and a reducer corrector with their own camera system, and a visual lens

  Material

Carbon tubes and plates, aluminum

  Corrector Type

Wynne 3" or 4" 

Corrected Image Circle

50mm

  

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HTN-500 Side

Hercules Telescopes HTN-500