Looking for high-quality, reliable 90mm plus rings for your astronomical equipment? Look no further than PrimaLuceLab. Our rings are designed to provide a sturdy and secure mount for your telescope or other equipment, with a range of sizes and features to suit your specific needs. Built to last and engineered with precision, our 90mm plus rings are the perfect choice for serious astronomers and astrophotographers. So why wait? Browse our selection today and take your stargazing to the next level!

The 90mm PLUS support rings are designed for AIRY APO80 apochromatic telescope (or other telescopes brands with tube approximately 90mm in diameter) to expand the possibilities of use. In this way, for example, you can install both above and below the optical tube our PLUS plates or even guide rings.

Like all the other elements of the PLUS series, these rings are made with high mechanical precision (built with CNC machines from aluminum block) and specially designed to enable you to easily install other mechanical elements such as plates, guide rings or dovetail clamps.

The 90mm PLUS support rings are designed for the AIRY APO80 apochromatic telescope that has plate for photographic tripods connection or for Vixen clamps.

The 90mm PLUS support rings are designed for the AIRY APO80 apochromatic telescope that has plate for photographic tripods connection or for Vixen clamps. Adding these rings, you can broad the possibilities of use of this telescope as it becomes possible, for example, the installation also on other mounts or to install telescopes in parallel. These rings can be used with PrimaLuceLab AIRY APO80 optical tubes or with other telescopes with 90mm in diameter optical tube.

The 90mm PLUS support rings are part of our system PLUS (Prima Luce Universal System) which includes a large variety of support rings, plates, guide rings and dovetail clamps to offer you the maximum freedom to build your mechanical system of support, depending on the application that you want to achieve. Indeed, all the PLUS elements have threaded holes, holes and slots suitable for connecting elements, always with maximum rigidity and comfort.

For this application, we designed many elements, including the 90mm PLUS support rings. Each component of the PLUS system is made of aluminum blocks that are high precision CNC machined. The aluminum is then sandblasted to achieve a very smooth surface finish and is anodized (hard anodizing) to increase the hardness of the material and protect it from oxidation.

Thanks to the particular design, the 90mm PLUS support rings are equipped with holes (above and below each ring) to permit the attachment of:

Vixen or Losmandy plates below the rings to install the telescope on any mount

PLUS guide rings (each ring can be fixed on the support ring with 2 screws)

Vixen or Losmandy plates above the rings to increase the rigidity of the mechanical system and enable to install other accessories, such as dovetail clamps with guide rings to precisely adjust the position of the guide telescope.

If you have other brands mechanical accessories, you can still use all the elements of the PLUS system. Indeed we have provided a series of central slots that allow, for example, to fix on these support rings plate or guide rings through a screw.

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PrimaLuce Lab 90mm PLUS support rings

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