Amazon.com : Astromania Adjustable Guiding Scope Ring Set with Plate - 69 mm Inside Diameter (Pair) - for Telescope Tube Diameter or Finders 43 to 68mm : Electronics
5. Finder Rings on a telescope V-Rail - Stellarvue
Losmandy Guide scope rings with quick-release connector, 160mm
Amazon.com : Astromania Deluxe Guide Scope Mount - Quickly and Easily Mounting Your Guide Scope onto Your Main Telescope : Electronics
DVR100- D Series Ring Set. 100mm Adjustable Rings - ADM Accessories
PrimaLuceLab 60mm Compact Guide Scope with PLUS 80mm Guide Rings
TS-Optics Guide Scope Rings for 50 - 60mm Scopes – Horizon Astronomy • Telescope Center
Losmandy 125mm I.D. Guide Scope Ring Set with 3 Point Adjustment for D/V Series Plates - DVR125 - Telescopes at Telescopes
DVR125- D Series Ring Set. 125mm Adjustable Rings - ADM Accessories
DR75- D Series Ring Set. 75mm Adjustable Rings - ADM Accessories
Stellarvue F050G
Amazon.com : SVBONY SV116 Guiding Scope Ring Kit for Telescope Tube Diameter or Finders 43mm to 70mm with Pair Ideal for Astrophotography : Electronics
Altair MG32 Mini Guide Polar Alignment Scope + QRB Rings + GPCAM Guide Camera | Land Sea & Sky
APM Telescopes. TS Optics Guide Scope Rings for telescopes from D= 76 mm to 127 mm
Amazon.com: Astromania Adjustable Guiding Scope Rings 102 mm Inside Diameter (Pair) - for Telescope Tube Diameter or Finders 48 to 100mm : Electronics
Losmandy DVR108 Guide Scope Rings DVR 108 B&H Photo Video
Orion - Guide Scope Ring Mounting Bar | Telescopes
Amazon.com : Astromania Adjustable Guiding Scope Ring Set with Plate - 80 mm Inside Diameter (Pair) - for Telescope Tube Diameter or Finders 53 to 79mm : Electronics
Omegon guide scope ring clamps
Stellarvue R76LV
APM Telescopes. TS Optics Guide Scope Rings for telescopes from D= 34 mm to 85 mm
Amazon.com : Astromania Adjustable Guiding Scope Ring Set with Plate - 69 mm Inside Diameter (Pair) - for Telescope Tube Diameter or Finders 43 to 68mm : Electronics