Adapters
Connect your gear with confidence using our wide selection of astronomy adapters. This collection includes all the essential adapters you need to seamlessly link telescopes, cameras, eyepieces, filters, and other accessories for both visual observation and astrophotography. Whether you're attaching a DSLR to a focuser, threading a filter wheel to a CMOS camera, or adapting between different thread sizes or mounting standards, our high-quality adapters ensure secure, precise connections. Built for compatibility and durability, these adapters make your setup more versatile and ready for any observing or imaging session.
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Original price $80.00 USD - Original price $80.00 USDOriginal price$80.00 USD$80.00 USD - $80.00 USDCurrent price $80.00 USDStarlight Instruments Eyepiece Adapter Flush Mount w/ Compression Ring (Fits 1.25" Eyepieces)
SI-EA20-205LPEyepiece Adapter 2.0"" Diameter Flush Mount with Compression Ring (fits 1.25"" Eyepieces) Specifications Known To Fit 1.25"" Eyepieces Use with...
View full detailsOriginal price $80.00 USD - Original price $80.00 USDOriginal price$80.00 USD$80.00 USD - $80.00 USDCurrent price $80.00 USD -
Original price $270.00 USD - Original price $270.00 USDOriginal price$270.00 USD$270.00 USD - $270.00 USDCurrent price $270.00 USD
Starlight Instruments Eyepiece Adapter for Leica Eyepiece
SI-EA20-EP2-L-37This eyepice adapter was designed with a bayonet style release system which allows you to quick and easily remove your Leica eyepiece. Specificatio...
View full detailsOriginal price $270.00 USD - Original price $270.00 USDOriginal price$270.00 USD$270.00 USD - $270.00 USDCurrent price $270.00 USD -
Original price $110.00 USD - Original price $110.00 USDOriginal price$110.00 USD$110.00 USD - $110.00 USDCurrent price $110.00 USDStarlight Instruments Eyepiece Adapter for Vixen Focal Reducer
SI-EA20-205-602.0"" Eyepiece adapter for Vixen Focal Reducer. This adapter can you used in any 2.0"" Opening Specifications Use with Any 2.0"" Opening Acces...
View full detailsOriginal price $110.00 USD - Original price $110.00 USDOriginal price$110.00 USD$110.00 USD - $110.00 USDCurrent price $110.00 USD -
Original price $40.00 USD - Original price $40.00 USDOriginal price$40.00 USD$40.00 USD - $40.00 USDCurrent price $40.00 USDTS-Optics UltraShort EOS T-Ring - M48x0.75
TS-M48-EOSsThis adaptor screws directly into the Canon EOS body and enables you to connect objectives and adapters with M48 (M48x0,75) 2" filterthread.The EOS...
View full detailsOriginal price $40.00 USD - Original price $40.00 USDOriginal price$40.00 USD$40.00 USD - $40.00 USDCurrent price $40.00 USD -
Original price $87.00 USDOriginal price $87.00 USD - Original price $87.00 USDOriginal price $87.00 USDCurrent price $78.00 USD$78.00 USD - $78.00 USDCurrent price $78.00 USD
William Optics 1.25" RotoLock Visual Back Adapter - SCT
WO-F-ROTO-A2-125-SCT-TA1.25" RotoLock visual back adapter designed for SCT threads Ensures a secure and precise connection for 1.25" acces...
View full detailsOriginal price $87.00 USDOriginal price $87.00 USD - Original price $87.00 USDOriginal price $87.00 USDCurrent price $78.00 USD$78.00 USD - $78.00 USDCurrent price $78.00 USDSave 10% -
Original price $88.00 USDOriginal price $88.00 USD - Original price $88.00 USDOriginal price $88.00 USDCurrent price $79.00 USD$79.00 USD - $79.00 USDCurrent price $79.00 USD
William Optics 2" RotoLock - M63
WO-F-ROTO-A63SL2" RotoLock adapter designed for M63 threads Ensures a secure and precise connection for 2" accessories ...
View full detailsOriginal price $88.00 USDOriginal price $88.00 USD - Original price $88.00 USDOriginal price $88.00 USDCurrent price $79.00 USD$79.00 USD - $79.00 USDCurrent price $79.00 USDSave 10% -
Original price $99.00 USDOriginal price $99.00 USD - Original price $99.00 USDOriginal price $99.00 USDCurrent price $89.00 USD$89.00 USD - $89.00 USDCurrent price $89.00 USD
William Optics 2" RotoLock Adapter - SCT
WO-D-ROTO-A2-SCT2FDesigned for Schmidt-Cassegrain Telescopes (SCT) Features a secure RotoLock mechanism for 2" accessories Description The Willi...
View full detailsOriginal price $99.00 USDOriginal price $99.00 USD - Original price $99.00 USDOriginal price $99.00 USDCurrent price $89.00 USD$89.00 USD - $89.00 USDCurrent price $89.00 USDSave 10% -
Original price $53.00 USDOriginal price $53.00 USD - Original price $53.00 USDOriginal price $53.00 USDCurrent price $48.00 USD$48.00 USD - $48.00 USDCurrent price $48.00 USD
William Optics 2"-1.25" RotoLock Visual Back Adapter
Options available2" to 1.25" RotoLock visual back adapter for secure accessory attachment Ensures a stable and precise connection fo...
View full detailsOriginal price $53.00 USDOriginal price $53.00 USD - Original price $53.00 USDOriginal price $53.00 USDCurrent price $48.00 USD$48.00 USD - $48.00 USDCurrent price $48.00 USDSave 9% -
Original price $194.00 USDOriginal price $194.00 USD - Original price $194.00 USDOriginal price $194.00 USDCurrent price $175.00 USD$175.00 USD - $175.00 USDCurrent price $175.00 USD
William Optics 3.5"-2" RotoLock Visual Back Adapter
Options available3.5" to 2" RotoLock visual back adapter for secure accessory attachment Ensures a stable and precise connection for...
View full detailsOriginal price $194.00 USDOriginal price $194.00 USD - Original price $194.00 USDOriginal price $194.00 USDCurrent price $175.00 USD$175.00 USD - $175.00 USDCurrent price $175.00 USDSave 10% -
Original price $64.00 USDOriginal price $64.00 USD - Original price $64.00 USDOriginal price $64.00 USDCurrent price $58.00 USD$58.00 USD - $58.00 USDCurrent price $58.00 USD
William Optics 4" Extension Tube for FLT Series
WO-P-EXFLT4" extension tube designed for William Optics FLT Series Provides additional back focus for various optical setups ...
View full detailsOriginal price $64.00 USDOriginal price $64.00 USD - Original price $64.00 USDOriginal price $64.00 USDCurrent price $58.00 USD$58.00 USD - $58.00 USDCurrent price $58.00 USDSave 9% -
Original price $34.00 USDOriginal price $34.00 USD - Original price $34.00 USDOriginal price $34.00 USDCurrent price $31.00 USD$31.00 USD - $31.00 USDCurrent price $31.00 USD
William Optics 48mm T-Mount for Canon
WO-TM-CN-EOS-M486 in stockAllows for simple installation Made with improved CNC for greater rigidity Description Compatible with Canon EOS-R mount mirrorless cameras....
View full detailsOriginal price $34.00 USDOriginal price $34.00 USD - Original price $34.00 USDOriginal price $34.00 USDCurrent price $31.00 USD$31.00 USD - $31.00 USDCurrent price $31.00 USDSave 9% -
Original price $56.00 USDOriginal price $56.00 USD - Original price $56.00 USDOriginal price $56.00 USDCurrent price $50.00 USD$50.00 USD - $50.00 USDCurrent price $50.00 USD
William Optics 48mm T-Mount for Canon EOS R Mirrorless
WO-TM-CN-EOSR-M483 in stockHigh-precision M48 T-Mount Adapter For Canon EOS R mirrorless DSLR cameras Description The William Optics 48mm T-Mount for Canon ...
View full detailsOriginal price $56.00 USDOriginal price $56.00 USD - Original price $56.00 USDOriginal price $56.00 USDCurrent price $50.00 USD$50.00 USD - $50.00 USDCurrent price $50.00 USDSave 11% -
Original price $45.00 USDOriginal price $45.00 USD - Original price $45.00 USDOriginal price $45.00 USDCurrent price $41.00 USD$41.00 USD - $41.00 USDCurrent price $41.00 USD
William Optics 48mm T-Mount for Fuji FX - Black
WO-TM-FJ-X-M48High-precision M48 T-Mount Adapter For Fuji FX series cameras Description The William Optics 48mm T-Mount for Pentax K is a high-...
View full detailsOriginal price $45.00 USDOriginal price $45.00 USD - Original price $45.00 USDOriginal price $45.00 USDCurrent price $41.00 USD$41.00 USD - $41.00 USDCurrent price $41.00 USDSave 9% -
Original price $34.00 USDOriginal price $34.00 USD - Original price $34.00 USDOriginal price $34.00 USDCurrent price $31.00 USD$31.00 USD - $31.00 USDCurrent price $31.00 USD
William Optics 48mm T-Mount for Nikon F
WO-TM-NK-F-M4848mm T-Mount designed for Nikon F-mount cameras Ensures a secure and precise connection between your camera and tel...
View full detailsOriginal price $34.00 USDOriginal price $34.00 USD - Original price $34.00 USDOriginal price $34.00 USDCurrent price $31.00 USD$31.00 USD - $31.00 USDCurrent price $31.00 USDSave 9% -
Original price $56.00 USDOriginal price $56.00 USD - Original price $56.00 USDOriginal price $56.00 USDCurrent price $50.00 USD$50.00 USD - $50.00 USDCurrent price $50.00 USD
William Optics 48mm T-Mount for Nikon Z
WO-TM-NK-Z-M482 in stockHigh-precision M48 T-Mount Adapter For Canon EOS R mirrorless DSLR cameras Description The William Optics 48mm T-Mount for Canon ...
View full detailsOriginal price $56.00 USDOriginal price $56.00 USD - Original price $56.00 USDOriginal price $56.00 USDCurrent price $50.00 USD$50.00 USD - $50.00 USDCurrent price $50.00 USDSave 11% -
Original price $34.00 USDOriginal price $34.00 USD - Original price $34.00 USDOriginal price $34.00 USDCurrent price $31.00 USD$31.00 USD - $31.00 USDCurrent price $31.00 USD
William Optics 48mm T-Mount for Pentax K - Black
WO-TM-PT-K-M481 in stockHigh-precision M48 T-Mount Adapter For Pentax K series cameras Description The William Optics 48mm T-Mount for Pentax K is a high...
View full detailsOriginal price $34.00 USDOriginal price $34.00 USD - Original price $34.00 USDOriginal price $34.00 USDCurrent price $31.00 USD$31.00 USD - $31.00 USDCurrent price $31.00 USDSave 9% -
Original price $45.00 USDOriginal price $45.00 USD - Original price $45.00 USDOriginal price $45.00 USDCurrent price $41.00 USD$41.00 USD - $41.00 USDCurrent price $41.00 USD
William Optics 48mm T-Mount for Sony E - Black
WO-TM-SN-E-M4848mm T-Mount designed specifically for Sony E-mount cameras Allows seamless connection between your Sony E-mount ca...
View full detailsOriginal price $45.00 USDOriginal price $45.00 USD - Original price $45.00 USDOriginal price $45.00 USDCurrent price $41.00 USD$41.00 USD - $41.00 USDCurrent price $41.00 USDSave 9% -
Original price $64.00 USDOriginal price $64.00 USD - Original price $64.00 USDOriginal price $64.00 USDCurrent price $58.00 USD$58.00 USD - $58.00 USDCurrent price $58.00 USD
William Optics Canon EOS Camera Adapter
WO-AD4-A009-L00BL03Allows attachment of Canon EOS cameras to William Optics telescopes Ensures a secure and stable connection for astrophotography Description ...
View full detailsOriginal price $64.00 USDOriginal price $64.00 USD - Original price $64.00 USDOriginal price $64.00 USDCurrent price $58.00 USD$58.00 USD - $58.00 USDCurrent price $58.00 USDSave 9% -
Original price $64.00 USDOriginal price $64.00 USD - Original price $64.00 USDOriginal price $64.00 USDCurrent price $58.00 USD$58.00 USD - $58.00 USDCurrent price $58.00 USD
William Optics Flat4 Draw Tube Adapter for FLT (Gold) for 2007-2016 Models
WO-AD4-A006-L00GD03Designed for William Optics FLT telescopes (2007-2016 models) Gold-colored finish for aesthetic appeal Description The William...
View full detailsOriginal price $64.00 USDOriginal price $64.00 USD - Original price $64.00 USDOriginal price $64.00 USDCurrent price $58.00 USD$58.00 USD - $58.00 USDCurrent price $58.00 USDSave 9% -
Original price $64.00 USDOriginal price $64.00 USD - Original price $64.00 USDOriginal price $64.00 USDCurrent price $58.00 USD$58.00 USD - $58.00 USDCurrent price $58.00 USD
William Optics Flat4 Draw Tube Adapter for GT102, FLT 132 - Black for 3" V-Power Focuser
WO-AD4-A006-L00BL03Designed for William Optics GT102 and FLT 132 telescopes with 3" V-Power Focuser Black-colored finish for a sleek, professional look D...
View full detailsOriginal price $64.00 USDOriginal price $64.00 USD - Original price $64.00 USDOriginal price $64.00 USDCurrent price $58.00 USD$58.00 USD - $58.00 USDCurrent price $58.00 USDSave 9% -
Original price $64.00 USDOriginal price $64.00 USD - Original price $64.00 USDOriginal price $64.00 USDCurrent price $58.00 USD$58.00 USD - $58.00 USDCurrent price $58.00 USD
William Optics Flat4 Draw Tube Adapter for GT102, FLT 132 - Blue for 3" V-power Focuser
WO-AD4-A006-L00BU03Designed for William Optics GT102 and FLT 132 telescopes with 3" V-power Focuser Blue-colored finish for aesthetic appeal Description ...
View full detailsOriginal price $64.00 USDOriginal price $64.00 USD - Original price $64.00 USDOriginal price $64.00 USDCurrent price $58.00 USD$58.00 USD - $58.00 USDCurrent price $58.00 USDSave 9% -
Original price $50.00 USDOriginal price $50.00 USD - Original price $50.00 USDOriginal price $50.00 USDCurrent price $45.00 USD$45.00 USD - $45.00 USDCurrent price $45.00 USD
William Optics Image Plane Tilt Adjuster
WO-M-FD-RC51Image plane tilt adjuster designed for precise alignment Enhances image quality by correcting tilt in the optical p...
View full detailsOriginal price $50.00 USDOriginal price $50.00 USD - Original price $50.00 USDOriginal price $50.00 USDCurrent price $45.00 USD$45.00 USD - $45.00 USDCurrent price $45.00 USDSave 10% -
Original price $49.00 USDOriginal price $49.00 USD - Original price $49.00 USDOriginal price $49.00 USDCurrent price $44.00 USD$44.00 USD - $44.00 USDCurrent price $44.00 USD
William Optics Longer adjusting adapter for FLAT68III, FLAT7A
WO-AD-M80-45-M48Longer adjustment range for more precise focusing Compatible with FLAT68III and FLAT7A telescopes Allows for more accurate adjustment of the teles...
View full detailsOriginal price $49.00 USDOriginal price $49.00 USD - Original price $49.00 USDOriginal price $49.00 USDCurrent price $44.00 USD$44.00 USD - $44.00 USDCurrent price $44.00 USDSave 10% -
Original price $11.00 USDOriginal price $11.00 USD - Original price $11.00 USDOriginal price $11.00 USDCurrent price $10.00 USD$10.00 USD - $10.00 USDCurrent price $10.00 USD
William Optics M48 Female to M42 Male Adapter
WO-YE-M48-421 in stockM48 female to M42 male adapter for versatile connection options Allows seamless integration between M48 and M42 thr...
View full detailsOriginal price $11.00 USDOriginal price $11.00 USD - Original price $11.00 USDOriginal price $11.00 USDCurrent price $10.00 USD$10.00 USD - $10.00 USDCurrent price $10.00 USDSave 9%
