Newton Type, Carbon Open Truss Tubes structure

HTN 400mm

HTN-400 Side
HTN-400 Side

Hercules Telescopes Newton Newtonian HTN 400 HTN-400

HTN-400 Side
HTN-400 Side

Hercules Telescopes Newton Newtonian HTN 400 HTN-400

HTN-400 upper cage
HTN-400 upper cage

HTN-400 upper cage, at the AstroCATS Show, Toronto, May 2014 Hercules Telescopes Newton truss tube Newtonian HTN 400 HTN-400 Carbon fiber

HTN-400 Side
HTN-400 Side

Hercules Telescopes Newton Newtonian HTN 400 HTN-400

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 Model

HTN-400

  Type

Newton

  Mirror Dimension

400mm (16") Parabolic

  Focal Length  

1520 mm

  f Ratio

f/3.8 (f/3.6 with Wynne)

  Optical  

Cellular borosilicate 33 mirrors

 Overall Length  

1455 mm (57 1/4")

  

  Overall Width  

575 mm (22 1/2")

  Weight

38 kg (84 lbs)

  Material

Carbon tubes and plates, aluminum

  Corrector Type

Wynne 3.0"

  • 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

 

Corrected Image Circle

50mm