Skip to content
FREE SHIPPING FOR ORDERS OVER 500$* Some exceptions may apply
FREE SHIPPING FOR ORDERS OVER 500$* Some exceptions may apply

Spacer Rings, Extensions & Adapters

Spacer Rings, Extensions & Adapters will help you achieve a correct back focus. There is many format and size for those rings and adapters.

Original price $62.00 - Original price $62.00
Original price
$62.00
$62.00 - $62.00
Current price $62.00

Antares Twist-Lock Adapter 2" To 1.75" Extension (ET1.5TL)

Antares

Antares Twist-Lock Adapter 2" To 1.75" Extension ET1.5TL extends any 2" accessory by 1.75" with twist-lock retainer. Works with any barrel design: ...

View full details
Original price $62.00 - Original price $62.00
Original price
$62.00
$62.00 - $62.00
Current price $62.00
Original price $34.00 - Original price $34.00
Original price
$34.00
$34.00 - $34.00
Current price $34.00

Antares Variable 60-100mm T2 Extension Adapter (T2-EXT-V)

Antares

Antares M42 Variable Camera Extender Adapter (T2-EXT-V) T2-EXT-V is a variable M42 T-thread extender with 60-100mm range   In the Box Antares M42 V...

View full details
Original price $34.00 - Original price $34.00
Original price
$34.00
$34.00 - $34.00
Current price $34.00
Original price $57.00 - Original price $57.00
Original price
$57.00
$57.00 - $57.00
Current price $57.00

Antares M42 Variable Camera Adapter (TEXT-42)

Antares

Antares M42 Variable Camera Adapter Astrophotography using intermediary lens systems can require a precision back-focus to the image plane so as to...

View full details
Original price $57.00 - Original price $57.00
Original price
$57.00
$57.00 - $57.00
Current price $57.00
Original price $28.00 - Original price $28.00
Original price
$28.00
$28.00 - $28.00
Current price $28.00

Antares M42 Pentax K T-Ring (AR-PK)

Antares

Antares M42 Pentax K T-Ring Adapts your Pentax K camera to M42 T Thread.   In the Box Antares M42 Pentax K T-Ring Warranty & Manuals Antares...

View full details
Original price $28.00 - Original price $28.00
Original price
$28.00
$28.00 - $28.00
Current price $28.00
Original price $17.00 - Original price $17.00
Original price
$17.00
$17.00 - $17.00
Current price $17.00

ZWO T-Mount to C-Mount Adapter (T2-CS)

ZWO

ZWO T-Mount to C-Mount Adapter The ZWO M42 to CS Adapter has female C-mount threads on the inner diameter of the ring, and male T-threads on the ou...

View full details
Original price $17.00 - Original price $17.00
Original price
$17.00
$17.00 - $17.00
Current price $17.00
Original price $28.00 - Original price $28.00
Original price
$28.00
$28.00 - $28.00
Current price $28.00

Antares M42 Nikon T-Ring (AR-NK)

Antares

Antares M42 Nikon T-Ring Adapts your Nikon camera to M42 T Thread.   In the Box Antares M42 Nikon T-Ring Warranty & Manuals Antares 1-Year W...

View full details
Original price $28.00 - Original price $28.00
Original price
$28.00
$28.00 - $28.00
Current price $28.00
Original price $28.00 - Original price $28.00
Original price
$28.00
$28.00 - $28.00
Current price $28.00

Antares M42 Minolta AF T-Ring (AR-MNAF)

Antares

Antares M42 Minolta AF T-Ring Adapts your Minolta autofocus camera to M42 T Thread.   In the Box Antares M42 Minolta AF T-Ring Warranty & Ma...

View full details
Original price $28.00 - Original price $28.00
Original price
$28.00
$28.00 - $28.00
Current price $28.00
Original price $28.00 - Original price $28.00
Original price
$28.00
$28.00 - $28.00
Current price $28.00

Antares M42 Canon T-Ring (AR-CN)

Antares

Antares M42 Canon T-Ring Adapts your Canon camera to M42 T Thread.   In the Box Antares M42 Canon T-Ring Warranty & Manuals Antares 1-Year W...

View full details
Original price $28.00 - Original price $28.00
Original price
$28.00
$28.00 - $28.00
Current price $28.00
Original price $17.00 - Original price $17.00
Original price
$17.00
$17.00 - $17.00
Current price $17.00

Antares M42 25mm Camera Extender Adapter (T2-EXT25)

Antares

Antares M42 25mm Camera Extender Adapter T2-EXT25 extends M42 T-thread by 25mm.   In the Box Antares M42 25mm Camera Extender Adapter Warranty &a...

View full details
Original price $17.00 - Original price $17.00
Original price
$17.00
$17.00 - $17.00
Current price $17.00
Original price $17.00 - Original price $17.00
Original price
$17.00
$17.00 - $17.00
Current price $17.00

Antares M42 10mm Camera Extender Adapter (T2-EXT10)

Antares

Antares M42 10mm Camera Extender Adapter T2-EXT10 extends M42 T-thread by 10mm.   In the Box Antares M42 10mm Camera Extender Adapter Warranty &a...

View full details
Original price $17.00 - Original price $17.00
Original price
$17.00
$17.00 - $17.00
Current price $17.00
Original price $16.00 - Original price $16.00
Original price
$16.00
$16.00 - $16.00
Current price $16.00

Antares Dust Cap For Camera M42x0.75mm (DCM)

Antares

Antares Dust Cap For Camera M42x0.75mm Keep the dust out of your DSLR. Just thread this in when not in use and you're good. In the Box Antares Dust...

View full details
Original price $16.00 - Original price $16.00
Original price
$16.00
$16.00 - $16.00
Current price $16.00
Original price $47.00 - Original price $47.00
Original price
$47.00
$47.00 - $47.00
Current price $47.00

Antares Camera Adapter 1.25" (EP1)

Antares

Antares Camera Adapter 1.25" EP1 is a combination camera adapter for 1.25" that allows for both direct and eyepiece projection photography. Threade...

View full details
Original price $47.00 - Original price $47.00
Original price
$47.00
$47.00 - $47.00
Current price $47.00
Original price $24.00 - Original price $24.00
Original price
$24.00
$24.00 - $24.00
Current price $24.00

ZWO M42 Adapter for OAG (M42-adapter)

ZWO

ZWO M42 Adapter for OAG The ZWO M42 Adapter for OAG is a T2 adapter that allows you to connect your main imaging camera to your ZWO OAG. It is incl...

View full details
Original price $24.00 - Original price $24.00
Original price
$24.00
$24.00 - $24.00
Current price $24.00
Original price $49.00 - Original price $49.00
Original price
$49.00
$49.00 - $49.00
Current price $49.00

Antares Adapter 2" to 2" Extension (ET2)

Antares

Antares Adapter 2" to 2" Extension ET2 extends any 2" accessory by 2". Accepts 2" filters. Double side screw with pressure band.   Technical Speci...

View full details
Original price $49.00 - Original price $49.00
Original price
$49.00
$49.00 - $49.00
Current price $49.00
Original price $157.00 - Original price $157.00
Original price
$157.00
$157.00 - $157.00
Current price $157.00

William Optics Camera Angle Rotator for 2.5" M63 Focuser (M-CAA63)

William Optics

William Optics Camera Angle Rotator for 2.5" M63 Focuser All New William Optics Camera Angle Rotator for 2.5" M63 Focuser Fits : Z73, Z103, Z126...

View full details
Original price $157.00 - Original price $157.00
Original price
$157.00
$157.00 - $157.00
Current price $157.00
Original price $36.00 - Original price $36.00
Original price
$36.00
$36.00 - $36.00
Current price $36.00

Tele Vue Sky Tour Azimuth Spacers for 5" Head (STS-5002)

Tele Vue

Tele Vue Sky Tour Azimuth Spacers for 5" Head The Tele Vue Sky Tour Azimuth Spacers for 5" Head is required to fasten the azimuth encoder on the Gi...

View full details
Original price $36.00 - Original price $36.00
Original price
$36.00
$36.00 - $36.00
Current price $36.00
Original price $37.00 - Original price $37.00
Original price
$37.00
$37.00 - $37.00
Current price $37.00

Tele Vue Set of 2 Spacers for 2.4" (TLS-1121)

Tele Vue

Tele Vue Set of 2 Spacers for 2.4" The Tele Vue Set of 2 Spacers is a convenient set of the 1mm & 2mm spacers (TLF+TLG). This allows great vers...

View full details
Original price $37.00 - Original price $37.00
Original price
$37.00
$37.00 - $37.00
Current price $37.00
Original price $51.00 - Original price $51.00
Original price
$51.00
$51.00 - $51.00
Current price $51.00

Tele Vue SBIG STL Camera Adapter for 2.4" (STL-1071)

Tele Vue

Tele Vue SBIG STL Camera Adapter for 2.4" The Tele Vue SBIG STL Camera Adapter for 2.4" threads directly onto the STL11000. Technical Specification...

View full details
Original price $51.00 - Original price $51.00
Original price
$51.00
$51.00 - $51.00
Current price $51.00
Original price $86.00 - Original price $86.00
Original price
$86.00
$86.00 - $86.00
Current price $86.00

Tele Vue Imaging System Nosepiece for 2" Focuser (RAD-1074)

Tele Vue

Tele Vue Imaging System Nosepiece for 2" Focuser This is a key component to the imaging system's versatility on non-"is" scopes. By placing the Tel...

View full details
Original price $86.00 - Original price $86.00
Original price
$86.00
$86.00 - $86.00
Current price $86.00
Original price $51.00 - Original price $51.00
Original price
$51.00
$51.00 - $51.00
Current price $51.00

Tele Vue 48mm Filter Adapter for 2.4" (AFT-1105)

Tele Vue

Tele Vue 48mm Filter Adapter for 2.4" The Tele Vue 48mm Filter Adapter for 2.4" allows use of 48mm filters in optical-train and adds 0.25” of spaci...

View full details
Original price $51.00 - Original price $51.00
Original price
$51.00
$51.00 - $51.00
Current price $51.00
Original price $99.00 - Original price $99.00
Original price
$99.00
$99.00 - $99.00
Current price $99.00

Tele Vue 2.4" Adapter for 2" Accessories (A2A-1107)

Tele Vue

Tele Vue 2.4" Adapter for 2" Accessories The Tele Vue 2.4" Adapter for 2" Accessories is another key component that expands the usability of your e...

View full details
Original price $99.00 - Original price $99.00
Original price
$99.00
$99.00 - $99.00
Current price $99.00
Original price $76.00 - Original price $76.00
Original price
$76.00
$76.00 - $76.00
Current price $76.00

Tele Vue 2"-1.25" In-Travel Adapter (AIT-2125)

Tele Vue

Tele Vue 2"-1.25" In-Travel Adapter Allows use of 1¼” eyepieces in any 2″ focuser or diagonal. The Tele Vue 2″-1.25″ In-Travel Adapter allows more ...

View full details
Original price $76.00 - Original price $76.00
Original price
$76.00
$76.00 - $76.00
Current price $76.00
Original price $97.00 - Original price $97.00
Original price
$97.00
$97.00 - $97.00
Current price $97.00

Tele Vue 2"-1.25" HiHat Adapter Satin (ASF-8125)

Tele Vue

Tele Vue 2"-1.25" HiHat Adapter Satin The Tele Vue 2″-1.25″ HiHat Adapter is specially designed with a high rise head to keep Tele Vue Barlows and ...

View full details
Original price $97.00 - Original price $97.00
Original price
$97.00
$97.00 - $97.00
Current price $97.00
Original price $76.00 - Original price $76.00
Original price
$76.00
$76.00 - $76.00
Current price $76.00

Tele Vue 2"-1.25" Flat Top Adapter (ACF-2125)

Tele Vue

Tele Vue 2"-1.25" Flat Top Adapter The Tele Vue 2″-1.25″ Flat Top Adapter allows closer placement of the eyepiece. Use with Newtonian reflectors, T...

View full details
Original price $76.00 - Original price $76.00
Original price
$76.00
$76.00 - $76.00
Current price $76.00
Original price $107.00 - Original price $107.00
Original price
$107.00
$107.00 - $107.00
Current price $107.00

Tele Vue 2"-1.25" Equalizer HiHat Adapter (BEC-0005)

Tele Vue

Tele Vue 2"-1.25" Equalizer HiHat Adapter The heavy solid bronze Tele Vue 2″-1.25″ Equalizer HiHat Adapter adds 12-ounces to help equalize the weig...

View full details
Original price $107.00 - Original price $107.00
Original price
$107.00
$107.00 - $107.00
Current price $107.00
Original price $51.00 - Original price $51.00
Original price
$51.00
$51.00 - $51.00
Current price $51.00

Tele Vue 2" Eyepiece Barrel Extension (EBX-2120)

Tele Vue

Tele Vue 2" Eyepiece Barrel Extension The Tele Vue 2″ Eyepiece Barrel Extension increases backfocus distance and provides a mounting location for 2...

View full details
Original price $51.00 - Original price $51.00
Original price
$51.00
$51.00 - $51.00
Current price $51.00
Original price $123.00 - Original price $123.00
Original price
$123.00
$123.00 - $123.00
Current price $123.00

Tele Vue 1.25" Questar Adapter (AQE-0005)

Tele Vue

Tele Vue 1.25" Questar Adapter Unleash the potential of your Questar 3.5 with Tele Vue’s 1¼”. Just add the Tele Vue 1.25″ Questar Adapter to use an...

View full details
Original price $123.00 - Original price $123.00
Original price
$123.00
$123.00 - $123.00
Current price $123.00
Original price $34.00 - Original price $34.00
Original price
$34.00
$34.00 - $34.00
Current price $34.00

PrimaluceLab T2-50.8mm photographic adapter (PL3304226)

PrimaluceLab

PrimaluceLab T2-50,8mm photographic adapter The T2-50,8mm photographic adapter connects to all cameras and accessories with female T2 (M42x0,75) th...

View full details
Original price $34.00 - Original price $34.00
Original price
$34.00
$34.00 - $34.00
Current price $34.00
Original price $92.00 - Original price $92.00
Original price
$92.00
$92.00 - $92.00
Current price $92.00

PrimaluceLab SESTO SENSO 26mm Adapter (SESTOSENSO-AD26II)

PrimaluceLab

PrimaluceLab SESTO SENSO 26mm Adapter This 26mm adapter allows you to install SESTO SENSO 2 on focusers that come with a 26mm diameter shaft, like ...

View full details
Original price $92.00 - Original price $92.00
Original price
$92.00
$92.00 - $92.00
Current price $92.00
Original price $49.00 - Original price $49.00
Original price
$49.00
$49.00 - $49.00
Current price $49.00

QHYCCD M54 Nikon Lens Adapter (020073)

QHYCCD

QHYCCD M54 Nikon Lens Adapter The QHYCCD M54 Nikon Lens Adapter allows you to install a Nikon objective (F-Mount) to your QHYCCD M54 COLDMOS Camera...

View full details
Original price $49.00 - Original price $49.00
Original price
$49.00
$49.00 - $49.00
Current price $49.00
Original price $98.00 - Original price $98.00
Original price
$98.00
$98.00 - $98.00
Current price $98.00

QHYCCD Fine Adjustment M54 Adapter Set (020089)

QHYCCD

QHYCCD Fine Adjustment M54 Adapter Set The QHYCCD Fine Adjustment M54 Adapter Set contains five spacers (0.5mm, 1mm, 2mm, 3mm, 7mm) and a 4mm M54 f...

View full details
Original price $98.00 - Original price $98.00
Original price
$98.00
$98.00 - $98.00
Current price $98.00
Original price $178.00 - Original price $178.00
Original price
$178.00
$178.00 - $178.00
Current price $178.00

PrimaluceLab Adapter ESATTO 3" for GSO/Orion/TPO RC 10, 12, 14 & 16" (PL3600236)

PrimaluceLab

PrimaluceLab Adapter ESATTO 3" for GSO/Orion/TPO RC 10, 12, 14 & 16" If you are searching for the most precise motorized focuser to use the GSO...

View full details
Original price $178.00 - Original price $178.00
Original price
$178.00
$178.00 - $178.00
Current price $178.00
Original price $128.00 - Original price $419.00
Original price
$128.00 - $419.00
$128.00 - $419.00
Current price $128.00

PrimaluceLab Adapter ESATTO 3" for FSQ-85

PrimaluceLab

PrimaluceLab Adapter ESATTO 3" for FSQ-85 If you are searching for the most precise motorized focuser for Takahashi FSQ85, the PrimaluceLab Adapter...

View full details
Original price $128.00 - Original price $419.00
Original price
$128.00 - $419.00
$128.00 - $419.00
Current price $128.00
Original price $34.00 - Original price $34.00
Original price
$34.00
$34.00 - $34.00
Current price $34.00

PrimaluceLab 9mm T2 extension (PL3304209)

PrimaluceLab

PrimaluceLab 9mm T2 extension PrimaLuceLab T2 extensions are available in different lengths and they present on both sides of a T2 thread (one side...

View full details
Original price $34.00 - Original price $34.00
Original price
$34.00
$34.00 - $34.00
Current price $34.00
Original price $27.00 - Original price $27.00
Original price
$27.00
$27.00 - $27.00
Current price $27.00

PrimaluceLab 5mm T2 extension (PL3304205)

PrimaluceLab

PrimaluceLab 5mm T2 extension PrimaLuceLab T2 extensions are available in different lengths and they present on both sides of a T2 thread (one side...

View full details
Original price $27.00 - Original price $27.00
Original price
$27.00
$27.00 - $27.00
Current price $27.00
Original price $121.00 - Original price $121.00
Original price
$121.00
$121.00 - $121.00
Current price $121.00

PrimaluceLab 2" and 3" Visual Back for ESATTO 3"

PrimaluceLab

PrimaluceLab 2" Visual Back for ESATTO 3" If you want to use your telescope visually with ESATTO 3" or if you want to connect a camera with a 2" no...

View full details
Original price $121.00 - Original price $121.00
Original price
$121.00
$121.00 - $121.00
Current price $121.00
Free Shipping

in Canada over 500$+* bf txs

Buy Now, Pay Later

Paybright and Sezzle at Check Out

Target the Right Equipment

Contact us!

Price Match

Find a Better Price? We Will Match it!

Sign Up to Astronomy Plus Newsletters

Subscribe to our Newsletter to be the first to be inform about Promotions, New Products and More!