William Optics

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William Optics William Optics Ultra-Cat 108 WIFD (For a Limited Time: Free William Optics 32 mm UniGuide Scope With Purchase !)
Precision-engineered with premium materials and optics, the Ultra Cat 108 WIFD is an ideal choice for discerning astronomers and astrophotographers who demand excellence in their equipment.
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William Optics Ultra-Cat 108 WIFD (For a Limited Time: Free William Optics 32 mm UniGuide Scope With Purchase !)
$3,798.00
William Optics William Optics GT71 f/5.9 FPL-53 Triplet APO RED Refractor w/Flat6AIII Field Flattener & Dual Side Dovetail
From its immaculate CNC-machined powder white aluminum tube to its elegant gold trim, the stunning new William Optics 71 mm Gran Turismo APO Refractor is a sight to behold.
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William Optics GT71 f/5.9 FPL-53 Triplet APO RED Refractor w/Flat6AIII Field Flattener & Dual Side Dovetail
$1,065.00
William Optics William Optics Vixen Style Cat Series Saddle Handle Bar (Specify Red or Space Gray)
This Vixen style saddle handle from William Optics is made to fit the RedCat refractor and SpaceCat refractor.
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William Optics Vixen Style Cat Series Saddle Handle Bar (Specify Red or Space Gray)
$53.00
William Optics William Optics 1000 Mortar Tri-Pier Red with Ioptron Adapter
This Tri-Pier from William Optics is a great accessory for those looking for the stability of the pier, but the leveling flexibility of a tripod.
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William Optics 1000 Mortar Tri-Pier Red with Ioptron Adapter
$761.00
William Optics William Optics Gran Turismo 81 IV APO Refractor (Specify Color)
The William Optics Gran Turismo 81mm refractor features a CNC machined optical tube with an immaculate white finish and Trim color of your choice
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William Optics Gran Turismo 81 IV APO Refractor (Specify Color)
$1,538.00
William Optics William Optics STC Astro Duo-Narrowband Filter - 48mm
Astrophotographers interested in capturing the specific wavelength that can be found in gaseous and planetary nebulae will be glad they added this WO filter to their astrophotography setup.
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William Optics STC Astro Duo-Narrowband Filter - 48mm
$399.00
WIlliam Optics RedCat 71 (Generation 1- NOT WIFD) MINT-UNUSED!
All original packaging, pristine condition, superb optical performance!
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WIlliam Optics RedCat 71 (Generation 1- NOT WIFD) MINT-UNUSED!
$900.00
William Optics William Optics Ultra-Cat 76 WIFD
Ultra Cat 76 WIFD
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William Optics Ultra-Cat 76 WIFD
$1,888.00
William Optics William Optics Cat 91 WIFD Refractor Telescope with Free 32mm Guidescope
A high-performance astrophotography tool with a 5-element Advanced Petzval lens design that offers superior imaging capabilities.
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William Optics Cat 91 WIFD Refractor Telescope with Free 32mm Guidescope
$2,598.00
RC Focser and x0.8 Flattener (can not separate)
RC Focser and x0.8 Flattener (can not separate)
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RC Focser and x0.8 Flattener (can not separate)
$1,613.00
William Optics William Optics Soft Carry Case for GTF81 and GT81
This William Optics Soft Carry Case for GTF81 or GT81 is designed to use the foam that came with your William Optics 81 mm scope.
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William Optics Soft Carry Case for GTF81 and GT81
$67.00
William Optics William Optics 2" Dura Bright Dielectric SCT Diagonal
Check out the William Optics Dura-Bright - a dramatic step forward in the evolution of mirror diagonals!
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William Optics 2" Dura Bright Dielectric SCT Diagonal
$172.00
William Optics William Optics Camera Angle Rotator with M92 Thread
For a more simple way to frame your photos exactly as you desire, this William Optics 3" diameter Camera Angle Adjuster enables full 360 degree camera rotation
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William Optics Camera Angle Rotator with M92 Thread
$169.00
William Optics William Optics Image Plane Tilt Adjuster (for RedCat 51 Upgrade)
This tilt adjuster is mainly designed for some cameras that have a tilted sensor which needs to be adjusted.
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William Optics Image Plane Tilt Adjuster (for RedCat 51 Upgrade)
$50.00
William Optics William Optics Guidestar 61 APO (Specify Blue, Gold or Red) with Carry Case
The William Optics 61 mm Guide Star delivers superb optical performance for high contrast images that are all but completely free of false color.
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William Optics Guidestar 61 APO (Specify Blue, Gold or Red) with Carry Case
$438.00
William Optics William Optics 40 mm Super Wide Angle 2" Eyepiece - E-SWA40
The William Optics SWAN Eyepiece series is a great value! With a 72° Field of View and Fully Multi Coated glass elements the SWAN Eyepiece delivers stunning views of the night sky!
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William Optics 40 mm Super Wide Angle 2" Eyepiece - E-SWA40
$130.00
William Optics William Optics Binoviewer Complete Package
William Optics does it better and especially cheaper! Until today, you could choose only between high-end expensive binoviewers or monocular eyepiece observation.
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William Optics Binoviewer Complete Package
$310.00
William Optics William Optics WIFD Ultra-Cat 76 APO Refractor (For a Limited Time: Free William Optics 32 mm UniGuide Scope With Purchase!)
For astrophotographers seeking precision and clarity, this 76mm Petzval refractor is a standout option.
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William Optics WIFD Ultra-Cat 76 APO Refractor (For a Limited Time: Free William Optics 32 mm UniGuide Scope With Purchase!)
$1,888.00
William Optics William Optics Pair of Riser Blocks for 132
A robust pair of riser blocks specially designed to elevate and stabilize the William Optics 132 series saddle for enhanced mounting flexibility and clearance.
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William Optics Pair of Riser Blocks for 132
$30.00
William Optics William Optics Motor Pier Head Adaptor for Vixen
A custom-designed adapter that allows you to securely attach Vixen mounts to the William Optics Mortar TriPier for stable, high-performance astronomy setups.
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William Optics Motor Pier Head Adaptor for Vixen
$0.00
William Optics William Optics Ultra Flat 156 (0.79x reducer)
A precision-crafted 0.79x reducer and field flattener designed to deliver wide, sharp, and high-contrast images with large aperture William Optics refractors.
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William Optics Ultra Flat 156 (0.79x reducer)
$898.00
William Optics William Optics Ultra Flat 132 (.79X reducer)
A premium 0.79x reducer and field flattener designed to deliver sharp, wide-field astrophotography with William Optics refractors.
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William Optics Ultra Flat 132 (.79X reducer)
$898.00
William Optics William Optics Red Car 91 with 32mm Scope
William Optics Red Car 91 with 32mm Scope
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William Optics Red Car 91 with 32mm Scope
$2,598.00
William Optics William Optics Fluorostar 132 Refractor (Specify Focuser and Color)
An Excellent Triplet Apochromatic Prime Lens
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William Optics Fluorostar 132 Refractor (Specify Focuser and Color)
$4,378.00