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Step Rings

Brand Name Rating # of Ratings
Baader Planetarium Baader T-Adapter HTA43/T2 for Hyperion Fixed Focal Length and MkIII Zoom Eyepiece # 2958080 4.9 24
Blue Fireball Blue Fireball SCT Thread Adapter for Maksutov-Cassegrain Telescopes # C-07 4.9 17
Blue Fireball Blue Fireball T / T2 Male Thread to SCT Male & M48 (2" Filter) Female Thread Adapter # T-07 4.8 17
William Optics William Optics SCT Thread Adapter for 2" Diagonal 4.9 16
Meade Meade Back Cell Adapter - ETX to SCT Thread # 07036 5.0 14
Blue Fireball Blue Fireball M48 (2" Filter) Male Thread to M28.5 (1.25" Filter) Female Thread Adapter # M-01 4.8 12
Blue Fireball Blue Fireball SCT Female Thread to T / T2 Male Thread Adapter (Low Profile) # T-01 5.0 11
Blue Fireball Blue Fireball SCT Female Thread to T / T2 Male Thread Adapter (Adjustable) # T-02 4.8 11
Blue Fireball Blue Fireball SCT Male Thread to 2" Nosepiece Adapter - Short # C-02 4.6 10
Blue Fireball Blue Fireball M48 (2" Filter) Female Thread to T / T2 Male Thread Adapter # T-06 4.9 10
Blue Fireball Blue Fireball SCT Female Thread to M48 (2" Filter) Male Thread Adapter # C-04 4.7 10
Blue Fireball Blue Fireball T / T2 Female Thread to M28.5 (1.25" Filter) Male Thread Adapter # T-03 4.9 8
Blue Fireball Blue Fireball T Thread Female to C Mount Male Adapter # V-02 5.0 6
Baader Planetarium Baader Hyperion DT Ring HDT54/49 (M54 to M49) # 2958049 5.0 6
Blue Fireball Blue Fireball M48 (2" Filter) Male Thread to T / T2 Female Thread Adapter # T-12 5.0 6
Celestron Celestron 1.25" Visual Back for SCT & Refractors # 93653-A 4.8 6
Blue Fireball Blue Fireball M48 (2" Filter) Male Thread to T / T2 Male Thread Adapter # T-05 5.0 5
Baader Planetarium Baader SCT/T2 Universal Adapter for ETX / NX4 / C90 Mak/SCT Telescopes # NX4-ETX 2958500 4.8 5
Baader Planetarium Baader Ultra-Short T2 Male to SCT Male / 2" Filter adapter # T2-27 1508035 3.8 4
Blue Fireball Blue Fireball T / T2 Female Thread to M28.5 (1.25" Filter) Female and T / T2 Male Thread Adapter # T-10 5.0 4
Baader Planetarium Baader Ultra-Short (10mm) SCT Female to T2 Male T-Adapter # SCT-T 2958500B 5.0 4
Baader Planetarium Baader T-2 to SCT Thread Expanding Ring (1mm Optical Length) # T2-28a 2958242 4.7 3
William Optics William Optics 2" Extension Tube with 2.4" Extension # P-EX2 5.0 3
Baader Planetarium Baader Takahashi / Vixen M36.4 Male to T2 Male Camera Adapter # T2-03 1508039 5.0 3
Baader Planetarium Baader T-Adapter for Mark-II Hyperion Clickstop Zoom Eyepiece # HTA54/T-2 2958085 4.5 2
Meade Meade #62 Camera T-Adapter for 7" - 12" SCT Telescopes # 07352 4.5 2
Blue Fireball Blue Fireball M48 (2" Filter) Male Thread to SCT Male & M48 (2" Filter) Female Thread Adapter # C-05 5.0 2
Blue Fireball Blue Fireball SCT Female Thread to SCT Male & M48 (2" Filter) Female Thread Adapter # C-06 5.0 2
Blue Fireball Blue Fireball T / T2 Male Thread to M28.5 (1.25" Filter) Male Thread Adapter # T-04 5.0 2
Blue Fireball Blue Fireball SCT Female Thread to M48 (2" Filter) Male & T / T2 Female Thread Adapter # T-09 4.5 2