William Optics

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William Optics William Optics RC focuser (for GSO RC Scope) (Specify Color)
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
William Optics William Optics Bahtinov Mask Cover (Specify Color) for WO 70 Series Telescopes
Bahtinov Mask and Cover for William Optics 70 series telescopes only (includes GT71, Star71-II, and Z73)
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William Optics Bahtinov Mask Cover (Specify Color) for WO 70 Series Telescopes
$102.00
William Optics William Optics UniGuide 50mm Slide-Base Guide Scope w/ 1.25" RotoLock - M-G50PB (Specify Color)
This 50mm Guide scope is made to work with the William Optics Gran Turismo 71, ZenithStar 73, Gran Turismo 81, and Fluorostar 132 refractors equipped with the CNC Slide-In Carry Handle
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William Optics UniGuide 50mm Slide-Base Guide Scope w/ 1.25" RotoLock - M-G50PB (Specify Color)
$171.00
William Optics William Optics Synta Style Mounting Base - BAFM-ST001II
This Synta style mounting base from William Optics is a great tool for keeping your finderscope fastened to your optical tube assembly
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William Optics Synta Style Mounting Base - BAFM-ST001II
$22.00
William Optics William Optics M63 (Female) to 2" Push-In Adapter for P-FLAT6AIII - YE-M63F-2IN-PI
This M63 (female) to 2" Push-In Adapter from William Optics will work with most 3" to 4", f/6.5 to f8, refractors that have a 2" barrel opening.
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William Optics M63 (Female) to 2" Push-In Adapter for P-FLAT6AIII - YE-M63F-2IN-PI
$44.00
William Optics William Optics 120mm Saddle Handle Bar - M-HC120BL
William Optics' patented handle design allows users to slide their compatible slide-base guide rings (not included) directly onto the handle
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William Optics 120mm Saddle Handle Bar - M-HC120BL
$44.00
William Optics William Optics 120mm Saddle Handle & 50mm Silver Guiding Rings - M-HC120BL-GR50IISL
William Optics' patented handle design allows users to slide their compatible guide rings directly onto the handle.
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William Optics 120mm Saddle Handle & 50mm Silver Guiding Rings - M-HC120BL-GR50IISL
$97.00
William Optics William Optics Slide-Base 50 mm Guiding Rings w/ Adjustment Screws - Silver - M-GR50SL
These silver guide rings are made to fit the William Optics Slide Base Handle that can be found on select William Optics telescopes.
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William Optics Slide-Base 50 mm Guiding Rings w/ Adjustment Screws - Silver - M-GR50SL
$64.00
William Optics William Optics Fuji FX Mount Wide T Thread (48mm)
This T-Mount from William Optics is made to work with the Fuji FX camera.
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William Optics Fuji FX Mount Wide T Thread (48mm)
$45.00
William Optics William Optics Nikon Mount Wide T Thread (48mm)
This camera T-mount with 48 mm thread is made to adapt Nikon cameras for all Refractor Telescopes from William Optics.
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William Optics Nikon Mount Wide T Thread (48mm)
$34.00
William Optics William Optics Canon Mount Wide T Thread (48mm)
CNC machined from high quality aluminum and anodized gray
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William Optics Canon Mount Wide T Thread (48mm)
$34.00
William Optics William Optics Vixen-Style Finder Scope Mounting Bracket - M-FB50-B
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
William Optics William Optics High Latitude Vixen Style Base Mount - YG-IO-SG01H-RD
This innovative William Optics Vixen Base is an upgrade for the iOptron SkyGuider Pro Mount.
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William Optics High Latitude Vixen Style Base Mount - YG-IO-SG01H-RD
$229.00
William Optics William Optics Losmandy style type D (Swan Series)
Losmandy style type D (Swan Series)
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William Optics Losmandy style type D (Swan Series)
$116.00
William Optics William Optics DSD245 Plate
The William Optics DSD 245mm (9.65") dovetail plate has both a Vixen and Arca Swiss size at each end of the plate with two 1/4-20 threaded holes.
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William Optics DSD245 Plate
$49.00
William Optics William Optics All New Long Version Vixen-style Dovetail Plate
William Optics All New Long Version Vixen-style Dovetail Plate
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William Optics All New Long Version Vixen-style Dovetail Plate
$91.00
William Optics William Optics Cat Mounting Ring
Solid or Split (Cradle) Ring: Solid
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William Optics Cat Mounting Ring
$43.00
William Optics William Optics New Adjustable Flat6A III (T-mount not included)
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)
$229.00
William Optics William Optics 9 mm Super Wide Angle 1.25" Eyepiece - E-SWA09
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 9 mm Super Wide Angle 1.25" Eyepiece - E-SWA09
$87.00
William Optics William Optics Bahtinov Mask for 172mm-235mm Dew Shields - BM-DS-GR90
The William Optics Bahtinov Mask is made from a sheet of optical acrylic and provides diffraction spikes that are about three (3) times brighter than those created by the standard Bahtinov masks
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William Optics Bahtinov Mask for 172mm-235mm Dew Shields - BM-DS-GR90
$79.00
William Optics William Optics STL-1100 adapter for FLT FF
This adapter is specifically designed to use the SBIG STL-11000 CCD cameras together with our TMB-designed FLT field flattener.
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William Optics STL-1100 adapter for FLT FF
$123.00
William Optics William Optics M63 (Male) to M48 (Male) Photo adapter
M63 (Male) to M48 (Male) Photo adapter. This adapter could be just what you need to reach your astrophotography goals!
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William Optics M63 (Male) to M48 (Male) Photo adapter
$64.00
William Optics William Optics 71mm Carry Soft Case for Z71, Z73, Star71, GT71
Soft carry case for 71mm series telescope
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William Optics 71mm Carry Soft Case for Z71, Z73, Star71, GT71
$59.00
William Optics William Optics 81mm Carry Soft Case
High quality William Optics Carry style soft case for 81mm refractor telescope.
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William Optics 81mm Carry Soft Case
$58.00