Skip to content
MEGA BLACK FRIDAY DEALS //POST CANADA WON'T BE USED UNTIL STRIKE IS SOLVED / Free Shipping for orders over $500* Some exceptions may apply.
MEGA BLACK FRIDAY DEALS //POST CANADA WON'T BE USED UNTIL STRIKE IS SOLVED / Free Shipping for orders over $500* Some exceptions may

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 $16.00 - Original price $16.00
Original price
$16.00
$16.00 - $16.00
Current price $16.00

ZWO M54M-M48F-2mm adapter (M54M-M48F-2)

ZWO M54M-M48F-2mm adapter M54-M48-2 adapter is independently developed by ZWO and mainly used for connecting to 2” EFW and M54 filter drawer. The t...

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 $15.00 - Original price $15.00
Original price
$15.00
$15.00 - $15.00
Current price $15.00

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

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 $15.00 - Original price $15.00
Original price
$15.00
$15.00 - $15.00
Current price $15.00
Original price $45.00 - Original price $45.00
Original price
$45.00
$45.00 - $45.00
Current price $45.00

Antares Camera Adapter 1.25" (EP1)

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 $45.00 - Original price $45.00
Original price
$45.00
$45.00 - $45.00
Current price $45.00
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 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 $47.00 - Original price $47.00
Original price
$47.00
$47.00 - $47.00
Current price $47.00

Antares Adapter 2" to 2" Extension (ET2)

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 $47.00 - Original price $47.00
Original price
$47.00
$47.00 - $47.00
Current price $47.00
Original price $147.00 - Original price $147.00
Original price
$147.00
$147.00 - $147.00
Current price $147.00

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

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 $147.00 - Original price $147.00
Original price
$147.00
$147.00 - $147.00
Current price $147.00
Original price $33.25 - Original price $33.25
Original price
$33.25
$33.25 - $33.25
Current price $33.25

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

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 $33.25 - Original price $33.25
Original price
$33.25
$33.25 - $33.25
Current price $33.25
Original price $179.55 - Original price $179.55
Original price
$179.55
$179.55 - $179.55
Current price $179.55

Tele Vue Set of 6 Accessory Tubes for 2.4" (TLS-2245)

Tele Vue Set of 6 Accessory Tubes for 2.4" The Tele Vue Set of 6 Accessory Tubes for 2.4″ is a complete set of the tubes/spacers. This allows great...

View full details
Original price $179.55 - Original price $179.55
Original price
$179.55
$179.55 - $179.55
Current price $179.55
Original price $34.58 - Original price $34.58
Original price
$34.58
$34.58 - $34.58
Current price $34.58

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

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 $34.58 - Original price $34.58
Original price
$34.58
$34.58 - $34.58
Current price $34.58
Original price $47.88 - Original price $47.88
Original price
$47.88
$47.88 - $47.88
Current price $47.88

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

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 $47.88 - Original price $47.88
Original price
$47.88
$47.88 - $47.88
Current price $47.88
Original price $79.80 - Original price $79.80
Original price
$79.80
$79.80 - $79.80
Current price $79.80

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

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 $79.80 - Original price $79.80
Original price
$79.80
$79.80 - $79.80
Current price $79.80
Original price $47.88 - Original price $47.88
Original price
$47.88
$47.88 - $47.88
Current price $47.88

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

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 $47.88 - Original price $47.88
Original price
$47.88
$47.88 - $47.88
Current price $47.88
Original price $91.77 - Original price $91.77
Original price
$91.77
$91.77 - $91.77
Current price $91.77

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

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 $91.77 - Original price $91.77
Original price
$91.77
$91.77 - $91.77
Current price $91.77
Original price $70.49 - Original price $70.49
Original price
$70.49
$70.49 - $70.49
Current price $70.49

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

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 $70.49 - Original price $70.49
Original price
$70.49
$70.49 - $70.49
Current price $70.49
Original price $90.44 - Original price $90.44
Original price
$90.44
$90.44 - $90.44
Current price $90.44

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

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 $90.44 - Original price $90.44
Original price
$90.44
$90.44 - $90.44
Current price $90.44
Original price $70.49 - Original price $70.49
Original price
$70.49
$70.49 - $70.49
Current price $70.49

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

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 $70.49 - Original price $70.49
Original price
$70.49
$70.49 - $70.49
Current price $70.49
Original price $99.75 - Original price $99.75
Original price
$99.75
$99.75 - $99.75
Current price $99.75

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

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 $99.75 - Original price $99.75
Original price
$99.75
$99.75 - $99.75
Current price $99.75
Original price $79.80 - Original price $79.80
Original price
$79.80
$79.80 - $79.80
Current price $79.80

Tele Vue 2" SCT Adapter (ACC-0003)

Tele Vue 2" SCT Adapter Connect your Tele Vue diagonal to your SCT with the Tele Vue 2" SCT Adapter. In the Box SCT Adapter Manual & Warrant...

View full details
Original price $79.80 - Original price $79.80
Original price
$79.80
$79.80 - $79.80
Current price $79.80
Original price $47.88 - Original price $47.88
Original price
$47.88
$47.88 - $47.88
Current price $47.88

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

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 $47.88 - Original price $47.88
Original price
$47.88
$47.88 - $47.88
Current price $47.88
Original price $114.38 - Original price $114.38
Original price
$114.38
$114.38 - $114.38
Current price $114.38

Tele Vue 1.25" Questar Adapter (AQE-0005)

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 $114.38 - Original price $114.38
Original price
$114.38
$114.38 - $114.38
Current price $114.38
Original price $31.92 - Original price $31.92
Original price
$31.92
$31.92 - $31.92
Current price $31.92

PrimaluceLab T2-50.8mm photographic adapter (PL3304226)

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 $31.92 - Original price $31.92
Original price
$31.92
$31.92 - $31.92
Current price $31.92
Original price $101.08 - Original price $101.08
Original price
$101.08
$101.08 - $101.08
Current price $101.08

PrimaluceLab SESTO SENSO 26mm Adapter (SESTOSENSO-AD26II)

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 $101.08 - Original price $101.08
Original price
$101.08
$101.08 - $101.08
Current price $101.08
Original price $46.55 - Original price $46.55
Original price
$46.55
$46.55 - $46.55
Current price $46.55

QHYCCD M54 Nikon Lens Adapter (020073)

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 $46.55 - Original price $46.55
Original price
$46.55
$46.55 - $46.55
Current price $46.55
Original price $93.10 - Original price $93.10
Original price
$93.10
$93.10 - $93.10
Current price $93.10

QHYCCD Fine Adjustment M54 Adapter Set (020089)

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 $93.10 - Original price $93.10
Original price
$93.10
$93.10 - $93.10
Current price $93.10
Original price $117.00 - Original price $203.00
Original price
$117.00 - $203.00
$117.00 - $203.00
Current price $117.00

PrimaluceLab Adapter from M81

PrimaluceLab Adapter from M81 PrimaluceLab Adapter from M81 to M48 with Stop Ring for ESATTO 3" (PL3600277) The PrimaluceLab Adapter from M81 to M...

View full details
Original price $117.00 - Original price $203.00
Original price
$117.00 - $203.00
$117.00 - $203.00
Current price $117.00
Original price $169.00 - Original price $169.00
Original price
$169.00
$169.00 - $169.00
Current price $169.00

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

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 $169.00 - Original price $169.00
Original price
$169.00
$169.00 - $169.00
Current price $169.00
Original price $128.00 - Original price $398.00
Original price
$128.00 - $398.00
$128.00 - $398.00
Current price $128.00

PrimaluceLab Adapter ESATTO 3" for FSQ-85

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 $398.00
Original price
$128.00 - $398.00
$128.00 - $398.00
Current price $128.00
Original price $111.00 - Original price $291.00
Original price
$111.00 - $291.00
$111.00 - $291.00
Current price $111.00

Pegasus Astro Prodigy Microfocuser Adapter

Pegasus Astro Prodigy Microfocuser  For SCT 9.25 -C11-C14 Can be used to Celestron Edge C 9.25 in combination with Celestron’s focal reducer only. ...

View full details
Original price $111.00 - Original price $291.00
Original price
$111.00 - $291.00
$111.00 - $291.00
Current price $111.00
Original price $32.00 - Original price $32.00
Original price
$32.00
$32.00 - $32.00
Current price $32.00

PrimaluceLab 9mm T2 extension (PL3304209)

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 $32.00 - Original price $32.00
Original price
$32.00
$32.00 - $32.00
Current price $32.00
Original price $26.00 - Original price $26.00
Original price
$26.00
$26.00 - $26.00
Current price $26.00

PrimaluceLab 5mm T2 extension (PL3304205)

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 $26.00 - Original price $26.00
Original price
$26.00
$26.00 - $26.00
Current price $26.00
Original price $39.00 - Original price $39.00
Original price
$39.00
$39.00 - $39.00
Current price $39.00

PrimaluceLab 5mm M48 extension (PL3304805)

PrimaluceLab  5mm M48 extension PrimaLuceLab M48 extensions are available in different lengths and they present on both sides of a M48 thread (one...

View full details
Original price $39.00 - Original price $39.00
Original price
$39.00
$39.00 - $39.00
Current price $39.00
Original price $115.00 - Original price $115.00
Original price
$115.00
$115.00 - $115.00
Current price $115.00

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

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 $115.00 - Original price $115.00
Original price
$115.00
$115.00 - $115.00
Current price $115.00
Original price $115.00 - Original price $115.00
Original price
$115.00
$115.00 - $115.00
Current price $115.00

PrimaluceLab 2" Visual Back for ESATTO 2" (PL8410001)

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

View full details
Original price $115.00 - Original price $115.00
Original price
$115.00
$115.00 - $115.00
Current price $115.00
Original price $66.00 - Original price $66.00
Original price
$66.00
$66.00 - $66.00
Current price $66.00

PrimaluceLab ESATTO 2" Nosepiece adapter for ARCO 2" (PL3600413)

PrimaluceLab ESATTO 2" Nosepiece adapter for ARCO 2" 2" nosepiece for ARCO 2" allows you to connect rotator to focusers that come with 2" visual b...

View full details
Original price $66.00 - Original price $66.00
Original price
$66.00
$66.00 - $66.00
Current price $66.00
Original price $52.00 - Original price $52.00
Original price
$52.00
$52.00 - $52.00
Current price $52.00

Lunt T2 to 2″ Adapter (LST2-2)

Lunt T2 to 2″ Adapter Do you want to use 2″ eyepieces with your Lunt solar telescope or solar filter? Simply remove the 1.25″ eyepiece tube from yo...

View full details
Original price $52.00 - Original price $52.00
Original price
$52.00
$52.00 - $52.00
Current price $52.00
Original price $39.90 - Original price $338.00
Original price
$39.90 - $338.00
$39.90 - $338.00
Current price $39.90

Optec-DSI 3.5" Telescope Spacers

Optec-DSI 3.5" Telescope Spacers High Performance 3.5″ Threaded Extension Rings Rich Simons of Deep Sky Instruments and Optec have jointly develope...

View full details
Original price $39.90 - Original price $338.00
Original price
$39.90 - $338.00
$39.90 - $338.00
Current price $39.90
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!