These quality cast aluminium rings are custom-made for use with either the AZ3, EQ1, EQ2, EQ3-2, EQ4, EQ5, HEQ5 and EQ6 (incl. PRO) mounts/mounting plates.
High quality made 90mm tube rings by Rother Valley Optics. These are finished to a very high standard. The feature a clamp design with large silver locking knobs for ease of use. They are threaded in 3 places on the underside and on the top
These 90 mm, felt-lined mounting rings are made out of solid aluminum, anodized in black or silver, and will fit most 90 mm OD tubes, and all William Optics 80 and 90mm telescopes (Megrez 80 and 90, ZenithStar 80, GT81).
With this rings you can install both above and below the optical tube our PLUS plates or even guide rings. Compatible with telescopes by various brands, such as: Vixen VSD, Vixen AX103S, Vixen ED103D, Takahashi TSA102 and possibly other telescope models as well...
The 125mm PLUS support rings can be used with telescopes of various brands (such as 120-130mm diameter refractors) with 125mm in diameter optical tube.
Upgrade for the standard cast tube rings and 45mm dovetail bar supplied with the Evostar-150ED. Constructed from machined aluminium with an anodised finish.
