Primaluce Lab 90mm PLUS Tube Rings Finderscope contains four pieces of lenses

contains four pieces of lenses including two pieces of ED glass

149mm (from the base of M86×1 male thread)

Exceptional Performance Under Light Pollution

Capture breath taking details across a range of celestial objects with the ZWO ASI294MM

guide camera and electronic focuser

Primaluce Lab 90mm PLUS Tube Rings Finderscope contains four pieces of lensesExpand Your Telescope's Horizons with 90mm PLUS Support Rings Our meticulously designed 90mm PLUS support rings are the perfect complement to the AIRY APO80 apochromatic telescope, featuring a plate for photographic tripod connections or Vixen clamps. By adding these rings to your setup, you can unlock a world of possibilities for your telescope. This includes the potential to mount it on various mounts or even set up multiple telescopes in parallel.