Tube Rings For Astro-Physics 130 Refractors


Lightweight telescope mounting tube rings for Astro-Physics 130 refractors made of carbon fiber composite.


Bottom: Heavy Duty Carbon fiber Losmandy Type for up to 25lbs (12kg)

Top: Carbon fiber Dovetails – Lightweight, for accessories

M6x25mm + Washers

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Lightweight tube rings for the Astro-Physics 130 refractors

130 Starfire GTX & 130 Starfire EDT/EDF refractors with telescope tubes of 5.5 inches (140mm)

Note: The 130 Starfire EDF GT refractor uses 4.7″ or 120mm rings. Please confirm.

What are – Rouz Astro Carbon Fiber Composite Tube Rings?

These telescope mounting rings are CAD designed and FDM printed for a combination of exceptional strength and low weight thanks to the tough carbon fiber composite material that offers excellent mechanical properties.


  • Unlike traditional metal rings that are heavy, these are much lighter, typically less than half the weight and up to a quarter of cast rings
  • The weight reduction significantly increases mount performance and therefore image quality
  • Paired with the lightweight bottom and top dovetails, users can save several pounds of weight, at times more than the OTA itself!


  • Engineering grade material used is a composite of polymers and carbon fiber which are fused at high temperatures over 500 deg F (no glue or epoxy is used)
  • All bolts are threaded into oversized implanted stainless steel receptors
  • For the new 2024 onward models, melted brass inserts are no longer used
  • The oversized hinges also use stainless steel hardware
  • Tested in various scenarios with hundreds of pounds of load – some videos can be found here


  • Sold as a pair (2x rings)
  • Typical lead times are 3-7 days
  • Stainless steel bolts included
  • Please contact us for custom sizes



  • Felt lined
  • Hinged design
  • Implanted stainless steel threads
  • Bolt spacing: 2.0 inches – 50.8mm – M6
  • Weight per ring: 200 to 500 grams per ring (depending on size)
  • Material: Carbon Fiber composite – FDM Print
  • CNC aluminum knobs (red)
  • High UV, water, and temperature resistance up to 60 deg C (140F)


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