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William Optics Flourostar 91 with 3.3" Rack & Pinion Focuser - Available in Red, Gold, and Space Gray.
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Fluorostar 91 with 3.3" Rack & Pinion Focuser - Specify Color
$1,998.00
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
The 3.3" William Optics Rack & Pinion RC Focuser is made to work with GSO Ritchey-Chrétien telescopes. This type of focuser is compatible with Apertura RC telescopes as well!
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William Optics RC focuser and 0.8x Reducer Flattener kit (Specify Color)
$1,536.00
William Optics GT71 f/5.9 FPL-53 Triplet Refractor w/ Dual Dovetail Plate - A-F71GTII
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William Optics Gran Turismo 71 OTA f/5.9 triplet APO 2.5 R&P Focuser - A-F71GTII
$933.00
This 81mm ZenithStar APO refractor is a great addition to the ranks of telescopes that are devoted to providing fantastic astro-images
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William Optics Zenithstar 81 APO (Specify Color)
$878.00
On the telescope side of the focuser, you will find a large flange to connect the focuser to the OTA. This flange also works as a spacer, providing more space if you would like to add a user supplied filter wheel and/or Off-Axis Guider (OAG).
The body
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William Optics RC focuser (for GSO RC Scope) (Specify Color)
$768.00
Works great with most cameras, camera lenses, and small scopes on either a Vixen-style mount or an Arca Swiss saddle.
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William Optics Zenithstar 73 III APO (Specify Color)
$713.00
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 mm Mortar Tri-Pier (Specify Color)
$691.00
This William Optics ZenithStar 61mm APO refractor with WO Bahtinov mask cover provides more portability and utility than any telescope ever offered by William Optics
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William Optics Zenithstar 61II APO Refractor (Specify Color)
$592.00
This 0.8x Reducer/Field Flattener from William Optics is a great accessory that improves image quality by being able to adjust spacing without the need for extension tubes
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Adjustable reducer flattener Flat73R for Z73
$284.00
This innovative William Optics Vixen Base is an upgrade for the iOptron SkyGuider Pro Mount.
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William Optics Vixen Style Base Mount - (Specify Declination)
$218.00
This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7.5 ratio refactors.
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William Optics New Adjustable Flat6A III (T-mount not included)
$218.00
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
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
$164.00
WO Cellphone Holder Telescope Adapter for any type of smartphone!!!
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William Optics Universal Smartphone Telescope Adapter
$109.00
The 32 mm UniGuide Scope from William Optics is a beautifully designed guide scope that matches perfectly with other William Optics refractors and accessories.
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Slide-base UniGuide 32mm Scope (Specify Color)
$109.00
The William Optics ZenithStar61 Upgrade Mounting Rings and CAT Handle Bar are designed to work with the ZenithStar 61 refractor. This is a great upgrade to your William Optics ZenithStar 61!
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Mounting Ring and CAT Handle Bar Upgrade Kit for ZenithStar 61 (GOLD)
$76.00
William Optics Soft Carry Case for Z71
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William Optics Soft Carry Case for Z71
$65.00
This William Optics extender is designed to work with WO FLT 110 and FLT 132 telescopes
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William Optics Extender for FLT 110 & 132 Telescopes
$64.00
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
$64.00
This user-friendly Vixen-style quick-release bracket for 50 mm finderscopes is an excellent value.
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William Optics Vixen-Style Finder Scope Mounting Bracket - M-FB50-B
$64.00
This high precision William Optics T-Mount adapter contains wide 48 mm t-threads
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William Optics 48 mm T-Mount for Nikon Z Mirrorless Camera
$53.00
Made specifically for Canon EOS R mirrorless DSLR cameras
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William Optics 48 mm T-Mount for Canon EOS R Mirrorless Cameras
$53.00
The Diffraction Spikes Bahtinov Focusing Mask provides 92% light transmission to make focusing easier.
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William Optics Bahtinov Mask (Specify Size) - BM-DS-GR
$47.00
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