The Revolution in Astrophotography
Prime Focus Type, Carbon Open Truss Tubes structure
HTP 400mm
Hercules Telescopes prime focus carbon truss tube HTP 400 HTP-400 Cellular mirror
Hercules Telescopes prime focus carbon truss tube HTP 400 HTP-400 Cellular mirror
Hercules Telescopes prime focus carbon truss tube HTP 400 HTP-400 Cellular mirror
Model
HTP-400
Type
Prime Focus
Mirror Dimension
400mm (16") Parabolic
Mirror Focal Length
f/3.5 : 1400mm
f/3.0 : 1200mm
f ratio availlable
f/3.5 (3.3 with Wynne 3")
f/3.0 (2.85 with Wynne 3")
Optical
Cellular borosilicate 33 mirror
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Lightweight and strong structure
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Rapid thermal adaptation with the open structure
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Primary cellular mirror, reducing the weight and faster thermal adaptation
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Optional motorised focuser, controlled with our HTEC
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31% Central obstruction (125mm, 3in. corrector and focuser)
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11% effective area obstruction
Overall Length
1315 mm (52 3/4")
Overall Width
575 mm (22 1/2")
Weight
36 kg (73 lbs)
Material
Carbon tubes and plates, aluminum
Corrector Type
Wynne 3.0"
Corrected Image Circle
50mm