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William Optics' 156 Fluorostar APO refractor is designed to provide unparalleled views. FLT156s are designed for visual and photographic use.
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William Optics Fluorostar 156 f7.8 with Rack & Pinion Focuser A-F156-RP37 (Specify Color)
$7,398.00
The William Optics Fluorostar 132 APO Refractor will capture the fine details of the night sky with stunning resolution
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William Optics Fluorostar 132 f7 with Innovative Bahtinov Mask Cover (Patented) (Specify Color)
$4,378.00
William Optics' 120 Fluorostar APO refractor is designed to provide unparalleled views
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William Optics Fluorostar 120mm f6.5 with Innovative Bahtinov Mask Cover (Patented) (Specify Color)
$3,298.00
The William Optics Gran Turismo 81 is an apochromatic triplet refractor with a unique focuser design.
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William Optics Gran Turismo 81 APO Refractor Kit w Internal Focus Design and 32mm UniGuide - Red
$2,241.00
Introducing the WILLIAM OPTICS Internal Focus Design (WIFD) Apochromatic Series.
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Willam Optics GT81 with Internal Focus Design (WIFD) Apochromatic Series
$1,998.00
William Optics Flourostar 91 with 3.3" Rack & Pinion Focuser - Available in Red, Gold, and Space Gray.
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William Optics Fluorostar 91 with 3.3" Rack & Pinion Focuser - Specify Color
$1,998.00
The WO Cat71 is a 71-mm f/4.9 refractor using a Petzval design with a doublet front element incorporating FPL-53 glass, plus a single central element and a single rear lens. By this design, our WO Cat71 provides a flat image plane without any additional f
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William Optics RedCat 71 APO 350mm f/4.9
$1,698.00
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)
$1,613.00
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)
$1,568.00
William Optics RedCat 71 APO 350mm f/4.9 with Case (DISPLAY MODEL-NO BOX-FULL WARRANTY)
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William Optics RedCat 71 APO 350mm f/4.9 with Case (DISPLAY MODEL-NO BOX-FULL WARRANTY)
$1,398.00
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 Gold Refractor w/Flat6AIII Field Flattener & Dual Side Dovetail (LIMITED QUANTITIES)
$1,065.00
Beautiful two element design APO Refractor, with a flattener included!
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William Optics Zenithstar 81 APO with Reducer/Flattner (Specify Color)
$1,030.00
The crown jewel of the apochromatic refractor universe
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Gran Turismo 71 OTA. f/5.9 triplet APO, 2.5” R&P Focuser in Red with Free Rotator
$933.00
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 | GOLD (LIMITED QUANTITIES)
$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)
$888.00
Perfect scope for the beginner or advanced astrophotographer
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William Optics RedCat 51 Gen 2 f/4.9 APO Refractor Telescope
$865.00
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)
$806.00
This revolutionary new WO x0.72 Reducer flattener it’s Adjustable was made for 6 -7.8 F ratio refractors.
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William Optics x0.72 Reducer Flattener 8 - P-FLAT8
$806.00
This William Optics tri-pier is made out of 6061T Aluminum and Stainless Steel.
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William Optics 1000 Mortar Tri-Pier Red with Standard 3/8" Plate Adapter
$761.00
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 Mortar Tri-Pier Red with Ioptron Adapter
$761.00
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 (GOLD) (Pre-owned) with A73 Flattener and T-mount
$750.00
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)
$730.00
William Optics Flattener 7 for Gran Turismo 102 APO Refractor
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William Optics 0.8x Reducer Flattener 7 (Black) for FLT132 and GT153 only GT102 (optional)
$691.00
William Optics RedCat 51 APO 250mm f/4.9 (1.5 Generation) (DISPLAY MODEL-FULL WARRANTY)
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William Optics RedCat 51 APO 250mm f/4.9 (1.5 Generation) (DISPLAY MODEL-FULL WARRANTY)
$675.00
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