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 |  |  William Optics 10 X 42 Semi APO Waterproof Roof Prism Binoculars WH-10x42SEMI w/ FREE UPS
 Regular price: $208.52 Sale price: $148.94 |  |  |  |  William Optics 10 X 50 ED Astro Triplet Binoculars 10x50ED w/ FREE UPS
 Regular price: $384.92 Sale price: $274.94 |
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 |  |  William Optics 100mm Guiding Rings for Telescopes with O.D. from 66 to 90mm (including WO Megrez and Zenithstar) WA-3GUIDE-R w/ FREE UPS
 Regular price: $110.52 Sale price: $78.94 |  |  |  |  William Optics 110mm ZenithStar ED APO Triplet Telescope OTA Only ZS110-OTA w/ FREE UPS
 Regular price: $2,818.00 Sale price: $2,347.99 |
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 |  |  William Optics 115mm Mounting rings for W.O. FLT110, FS-102, and FSQ-106 Telescopes WE-M115 w/ FREE UPS
 Regular price: $236.52 Sale price: $168.94 |  |  |  |  William Optics 15mm SWAN Ocular 1.25" Wide Angle Eyepiece with 72 Degree Field of View WE-SWAN-15mm w/ FREE UPS
 Regular price: $109.12 Sale price: $77.94 |
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 |  |  William Optics 2" APO Apochromatic Field Flattener and 0.8x Focal Reducer for 66mm to 90mm Refractors WE-FLAT-2 w/ FREE UPS
 Regular price: $207.12 Sale price: $147.94 |  |  |  |  William Optics 2" Photo Adapter for Telescopes & Spotting Scopes WA-PA2 w/ FREE UPS
 Regular price: $54.52 Sale price: $38.94 |
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 |  |  William Optics 2" SCT Adapter / Extender for W.O. ZenithStar Telescopes WA-SCT-ZS66-EXT w/ FREE UPS
 Regular price: $54.52 Sale price: $38.94 |  |  |  |  William Optics 2" Synta Crayford Refractors Focuser with 2 Speed Microfocuser WA-CFSYN2S-A w/ FREE UPS
 Regular price: $348.52 Sale price: $248.94 |
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 |  |  William Optics 2" VR Violet Reducing Filter WA-VR1-2 w/ FREE UPS
 Regular price: $82.00 Sale price: $67.99 |  |  |  |  William Optics 20mm SWAN Ocular 1.25" Wide Angle Eyepiece WE-SWAN-20mm w/ FREE UPS
 Regular price: $109.12 Sale price: $77.94 |
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 |  |  William Optics 25mm SWAN Ocular 2" Wide Angle Eyepiece WE-SWAN-25mm w/ FREE UPS
 Regular price: $165.12 Sale price: $117.94 |  |  |  |  William Optics 3 Piece SPL Set of Telescope 1.25" Ocular SPL 12.5mm, 6mm and 3mm Eyepieces WE-SPL-SET w/ FREE UPS
 Regular price: $447.92 Sale price: $319.94 |
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 |  |  William Optics 50mm Finder Bracket for WO Erecting Finderscopes WE-7x50FB w/ FREE UPS
 Regular price: $138.52 Sale price: $98.94 |  |  |  |  William Optics 6 x 30 Illuminated Erecting Finderscope for William-Optics WO Megrez & ZenithStar Telescopes WA-6x30FS w/ FREE UPS
 Regular price: $110.52 Sale price: $78.94 |
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 |  |  William Optics 7X50ED Triplet Waterproof Binocular 7x50ED w/ FREE UPS
 Regular price: $418.52 Sale price: $298.94 |  |  |  |  William Optics 8x42 Triplet APO Water Proof Binocular WH-8x42-APO-PC w/ FREE UPS
 Regular price: $265.92 Sale price: $189.94 |
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 |  |  William Optics 9mm SWAN Ocular 1.25" Wide Angle Eyepiece with 72 Degree Field of View WE-SWAN-9mm w/ FREE UPS
 Regular price: $109.12 Sale price: $77.94 |  |  |  |  William Optics Binocular Tripod Bracket WA-BTA
 Regular price: $22.00 Sale price: $17.99 |
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 |  |  William Optics Binoviewer Package with Pair of 20mm Wide Angle 66 Degree Eyepieces, OCS Barlow, and Case WA-BINO-P w/ FREE UPS
 Regular price: $239.00 Sale price: $198.99 |  |  |  |  William Optics Binoviewer w/ Brass Compression Rings WA-BINO-OTA w/ FREE UPS
 Regular price: $208.52 Sale price: $148.94 |
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 |  |  William Optics Digital Camera & Digital Video Adapter 52mm WC-DCL52 w/ FREE UPS
 Regular price: $110.52 Sale price: $78.94 |  |  |  |  William Optics Digital Camera Adapter Lens 28mm for Nikon Coolpix Series Digital Cameras WC-DCL28-NK w/ FREE UPS
 Regular price: $109.12 Sale price: $77.94 |
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 |  |  William Optics Fluoro Star-APO 132mm Telescope w/ Pair of Mounting Rings, QUARTZ Dielectric Diagonal, and Custom Aluminum Case FLT132-P w/ FREE UPS
 Regular price: $4,397.79 Sale price: $3,997.99 |  |  |  |  William Optics Fluoro Star-APO FLT 132mm APO OTA f/7 Triplet Air-Spaced Telescope + Rings FLT132 w/ FREE UPS
 Regular price: $4,067.73 Sale price: $3,697.94 |
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 |  |  William Optics FluoroStar 110 mm ED Triplet f/7 APO Refractor Telescope FLT110-TMB-O w/ FREE UPS
 Regular price: $3,358.00 Sale price: $2,797.99 |  |  |  |  William Optics Megrez 110 ED APO f/5.59 Doublet Refractor Telescope Optical Tube Assembly + Rings, with Custom Aluminum Carrying Case M110ED-W-P w/ FREE UPS
 Regular price: $1,548.00 Sale price: $1,397.95 |
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 |  |  William Optics Megrez 90 APO Fluorite Doublet Refractor Telescope Optical Tube Assembly with Custom Aluminum Carrying Case M90FD-W-OTA w/ FREE UPS
 Regular price: $1,373.83 Sale price: $1,248.94 |  |  |  |  William Optics Megrez 90 APO Fluorite Doublet Refractor Telescope Package w/ 2" CF Dielectric Diagonal, SLV 90 OD Mounting Rings, and Case M90FD-W-P w/ FREE UPS
 Regular price: $1,427.73 Sale price: $1,297.94 |
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 |  |  William Optics Mounting Rings for 80mm Telescope WE-MR-80
 Regular price: $152.52 Sale price: $108.94 |  |  |  |  William Optics Pair of 114mm Mounting Black Rings for most 114 and some 115mm OD Telescope Tubes WA-Z105R w/ FREE UPS
 Regular price: $236.52 Sale price: $168.94 |
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 |  |  William Optics Quick Release Bracket for WO Red Dot Finder Scope WA-RDF-B w/ FREE UPS
 Regular price: $62.92 Sale price: $44.94 |  |  |  |  William Optics Red Dot Finder Scope w/ Quick Release Bracket for WilliamOptics ZenithStar 66mm and 80mm Telescopes WA-RDF w/ FREE UPS
 Regular price: $124.52 Sale price: $88.94 |
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 |  |  William Optics Replaceable Dielectric Mirror for WO Telescope Diagonals WA-DI-M w/ FREE UPS
 Regular price: $90.92 Sale price: $64.94 |  |  |  |  William Optics SWAN 33mm Ocular 2" Wide Angle Eyepiece WE-SWAN-33mm w/ FREE UPS
 Regular price: $165.12 Sale price: $117.94 |
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 |  |  William Optics Telescope 1.25" 45 degree Erecting Prism WD-EP125 w/ FREE UPS
 Regular price: $95.12 Sale price: $67.94 |  |  |  |  William Optics Telescope 1.25" 45 Degree Erecting Prism with 2" Barrel Connection WD-EP2-S w/ FREE UPS
 Regular price: $98.00 Sale price: $88.00 |
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 |  |  William Optics Telescope 16mm Ocular Ultra Wide Angle 1.25" Eyepiece UWAN16 w/ FREE UPS
 Regular price: $307.92 Sale price: $219.94 |  |  |  |  William Optics Telescope 2" 45 Degree Erecting Prism WD-EP-2 w/ FREE UPS
 Regular price: $272.92 Sale price: $194.94 |
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