131mm PLUS support rings (PrimaLuceLab, SKU: PLLANSU131P) PrimaLuceLab opinie

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131 mm PLUS support rings (PrimaLuceLab, SKU: PLLANSU131P ) are a pair of lightweight, yet rigid clamps designed for tubes with a diameter of approximately 131 mm - typical for 5" f/5-f/7 refractors and compact 5" catadioptrics. Compliance with the PLUS mounting standard allows simultaneous mounting of Vixen / Losmandy rails under the telescope and guides, holders or small counterweights above the tube while maintaining perfect alignment of the system.

Key Features of the 131mm PLUS Rings

• Inner diameter 131 mm – fits tubes 130 – 132 mm
• M6 threads arranged in the PLUS system grid: 55 mm (Losmandy) and 20 mm (Vixen)
• hinge and knurled pressure screw – quick opening, secure closing
• CNC machined from 6061-T6 aluminum, hard anodized - high stiffness and corrosion resistance
• possibility of mounting rails or guides both under and above the tube – easy expansion of the photo-guiding configuration

Set components

• two 131 mm PLUS support rings

Technical parameters

• Inner diameter: 131 mm
• mounting threads: 6 × M6 (PLUS standard)
• hole spacing: 55 mm (Losmandy) / 20 mm (Vixen)
• material: aluminum 6061-T6, anodized
• compatible tubes: Ø 130 – 132 mm
• manufacturer: PrimaLuceLab – Italy

The 131mm PLUS rings guarantee stable, on-axis mounting of smaller telescopes and full integration with the modular ecosystem of PrimaLuceLab PLUS accessories.