Newton Type, Carbon Open Truss Tubes structure
HTN 500mm
Hercules Telescopes HTN-500
Hercules Telescopes HTN-500
Hercules Telescopes HTN-500 on a Mathis MI-750 Mount, at the AstroCATS Astronomy Show,Toronto
Hercules Telescopes HTN-500
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)
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Lightweight and strong structure
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Rapid thermal adaptation with the open structure
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Primary and secondary cellular mirror, reducing the weight and faster thermal adaptation
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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