Prime Focus Type, Carbon Open Truss Tubes structure
HTP 500mm
Model
HTP-500
Type
Prime Focus
Mirror Dimension
500mm (20") Parabolic
Mirror Focal Length
f/3.5 : 1 750 mm
f/3.0 : 1 500 mm
f ratio availlable
f/3.5 (3.3 with Wynne 3")
f/3.0 (2.85 witn Wynne 3")
Optical
Cellular borosilicate 33 mirror
Overall Length
1627 mm (64")
Overall Width
700 mm (27 1/2")
Weight
44kg (97lbs)
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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 back focuser, controlled with our HTEC
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27% Central obstruction with HF3 focuser (135mm)
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32% Central obstruction with HF4 focuser (160mm)
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7% effective area obstruction
Material
Carbon tubes and plates, aluminum
Corrector Type
Wynne 3" or 4"
Corrected Image Circle
50mm