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HF4 Focuser 

 

The Hercules Telescopes focuser is a masterpiece.  
 
With it's sleek and perfectly cylindrical design, it can fit where space is limited or in the middle of a prime focus telescope like our HTP500.  It's Rigidity and high precision without backlash make the HF4 focuser a perfect choice for an high quality image train.
 
The linearity movement is made using precision guide rails that stay perfectly aligned even at outermost position with lot of weight.
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HF4 is design so that a 4 inches corrector can fit inside and save space on your image train. 
Camera adaptor can be mounted on the focuser using 105 X 1mm thread or with 6 X M4 screws.
(Adaptors can be found at preciseparts.com)
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The HTEC commander is request to use the HF4 (Optional).
HF4 Focuser

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  • 104mm aperture (4 inches)

  • 29mm travel with 105Nanometer résolution

  • Extremely strong with 20kg capacity (44 lbs)

  • 102 nanometers resolution

  • High precision built with pricésion guide rails

  • Linear movement with antibacklash ballscrew

  • Controlled by the HTEC commander (Optionnal)

  • 160mm outside diameter (cylindrical design)

  • 99mm height, 2.5kg weight

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Price : 2 400$

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Technical drawing

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