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Brand Name Rating # of Ratings
GSO GSO Primary Mirror Cell for 8" Mirrors (with Cooling Fan) 5.0 3
Bob's Knobs Bob's Knobs for Celestron C6 f/10 Secondary with Metric Collimation Screw Threads # C6 5.0 4
Bob's Knobs Bob's Knobs for Celestron C8 f/10 Post-1980 Secondary with Standard Collimation Screw Threads # C8std 5.0 4
Bob's Knobs Bob's Knobs for Celestron C9.25 f/10 Secondary with Trifid Fastar Housing # C9.25fst 5.0 4
Bob's Knobs Bob's Knobs for Telrad Finder # Telrad 5.0 4
GSO GSO 2" Camera Projection SuperView Photography Eyepiece - 30mm Superview 4.5 4
GSO GSO 2" Camera Projection SuperView Photography Eyepiece - 42mm Superview 4.8 4
GSO GSO 2" Linear Bearing Crayford Focuser for 6" or 8" GSO Ritchey-Chretien RC Telescopes 4.8 4
GSO GSO Elliptical Secondary Mirror - 31mm 5.0 4
GSO GSO Elliptical Secondary Mirror - 50mm 4.8 4
GSO GSO Parabolic Primary and Secondary Mirror Set - 8" f/4 5.0 4
GSO GSO Parabolic Primary Mirror - 8" f/4 5.0 4
GSO GSO 2" to 1.25" Zero Profile Eyepiece Adapter # FF021 5.0 4
GSO GSO 1.25" Camera Projection Photography Eyepiece - 32mm Plossl 5.0 5
GSO GSO 1.25" Color / Planetary Filter - #38A Dark Blue 3.8 5
GSO GSO 1.25" Color / Planetary Filter - #8 Light Yellow 5.0 5
GSO GSO 2' Crayford Focuser for SCTs - Single Speed 5.0 5
GSO GSO 2" SuperView Eyepiece Set (30, 42 & 50mm) 4.8 5
GSO GSO Elliptical Secondary Mirror - 62.5mm 4.8 5
GSO GSO Flexible Slow Motion Cable with Round Handle and 6mm Bore 5.0 5
GSO GSO 1.25" Camera Projection Photography Eyepiece - 40mm Plossl 4.8 6
GSO GSO 1.25" Color / Planetary Filter - #15 Dark Yellow 5.0 6
GSO GSO 1.25" Color / Planetary Filter - #29 Dark Red 5.0 6
GSO GSO 1.25" Plossl Eyepiece - 12mm 4.7 6
GSO GSO 2" Linear Bearing Crayford Focuser for Refractors - Dual Speed (with 112.5mm Flange) 4.7 6
GSO GSO Parabolic Primary and Secondary Mirror Set - 10" f/5 4.8 6
GSO GSO Parabolic Primary Mirror - 10" f/5 4.8 6
Bob's Knobs Bob's Knobs for Orion Secondary Set Screws on XT, SkyView & Others # CNsec30 5.0 7
GSO GSO 0.965"/1.25" 90-deg Hybrid Erect-Image Prism Diagonal 4.0 7
GSO GSO 1.25" Color / Planetary Filter - #11 Yellow / Green 4.9 7
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