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Brand Name Rating # of Ratings
William Optics William Optics 2" Swan Series Eyepiece - 33mm 4.8 4
William Optics William Optics 2013 ZenithStar 71mm f/5.9 Doublet ED Refractor # A-Z71A 4.8 4
William Optics William Optics GT102 102mm f/6.9 Apo Refractor # A-F102GT 4.8 4
William Optics William Optics GT102 102mm f/6.9 Apo Refractor w/ DDG Focuser # A-F102GT-DDG 4.8 4
William Optics William Optics GTF81 81mm Apo Refractor with Built-In Flattener & DDG Focuser # A-F81GTA-DDG 4.8 4
William Optics William Optics GTF81 81mm f/6.6 Apo Refractor with Built-In Flattener # A-F81GTA 4.8 4
William Optics William Optics Vixen-Style 8" Dovetail Plate - Black 4.8 4
William Optics William Optics Vixen-Style 8" Dovetail Plate - Gold 4.8 4
William Optics William Optics Vixen-Style 8" Dovetail Plate - Red 4.8 4
William Optics William Optics GTF81 81mm Apo Refractor with Built-In Flattener & DDG Focuser # A-F81GTA-DDG 4.8 4
William Optics William Optics 2" 99% Dura Bright RotoLock Mirror Diagonal for SCTs # D-DIG2D-ROTO-SCT 4.8 5
William Optics William Optics Mounting Rings (Set of 2) - 90mm (3.54") 4.8 6
William Optics William Optics SCT Thread Adapter for 2" Diagonal 4.9 16
William Optics William Optics 2" 99% Dielectric Dura Bright Carbon Fiber Mirror Diagonal for Refractors 4.9 20
William Optics William Optics 2" 99% Dielectric Dura Bright Carbon Fiber Mirror Diagonal for SCTs 4.9 20
William Optics William Optics 1.25" 45-deg Erecting Prism Diagonal 4.9 11
William Optics William Optics FLT-132 f/7 Triplet Apo 5.0 1
William Optics William Optics Megrez 90 Apo 5.0 1
William Optics William Optics ZenithStar 80 FD 5.0 1
William Optics William Optics 2" 90° Diagonal 5.0 3
William Optics William Optics VR-1 Violet Reducer Filter 5.0 1
Siebert Optics Siebert Optics Siebert Optics 2" 36mm Observatory Series 5.0 1
William Optics William Optics Megrez 110 Doublet ED APO 5.0 1
William Optics 2x Barlow Nosepiece for William Optics Binoviewer 5.0 4
William Optics William Optics ~4" Diameter Extension Tube with 2" Extension for FLT Series Refractors # P-EXFLT 5.0 1
William Optics William Optics 1.25" & 2" 110° XWA Extreme Wide Angle Eyepiece - 5mm 5.0 1
William Optics William Optics 1.25" 99% Dielectric Dura Bright Carbon Fiber Star Mirror Diagonal 5.0 8
William Optics William Optics 1.25" 99% Dielectric Dura Bright Star Mirror Diagonal for Star71 Telescope 5.0 2
William Optics William Optics 1.25" SPL Series Eyepiece - 12.5mm 5.0 1
William Optics William Optics 1.25" Swan Series Eyepiece - 9mm 5.0 1
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