100mm PLUS support rings (PrimaLuceLab, SKU: PLLANSU100P) PrimaLuceLab opinie

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100mm PLUS support rings (PrimaLuceLab, SKU: PLLANSU100P ) are a pair of lightweight, precision clamps designed for tubes around 100mm in diameter—typically 4″ f/7–f/9 refractors or large finderscopes. The rings take full advantage of the PLUS mounting standard, allowing you to mount a Vixen/Losmandy rail under the telescope and a guider rail or mount above the tube with perfect alignment.

Key Features of the 100mm PLUS Rings

• Inner diameter 100 mm – fits tubes 99 – 101 mm
• M6 threads arranged in a PLUS grid: 55 mm (Losmandy) and 20 mm (Vixen)
• hinge and knurled pressure screw – quick opening and secure closing
• CNC 6061-T6 aluminum body, hard anodized - high stiffness and corrosion resistance
• possibility of mounting rails or guides both under and above the tube – easy expansion of the configuration

Set components

• two 100 mm PLUS support rings

Technical parameters

• Inner diameter: 100 mm
• mounting threads: 6 × M6 (PLUS standard)
• hole spacing: 55 mm (Losmandy) / 20 mm (Vixen)
• material: aluminum 6061-T6, anodized
• compatible tubes: Ø 99 – 101 mm
• manufacturer: PrimaLuceLab – Italy

The 100mm PLUS rings provide stable, on-axis mounting of small telescopes and full integration with the modular PrimaLuceLab PLUS accessory ecosystem.