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MEGA BLACK FRIDAY DEALS //POST CANADA WON'T BE USED UNTIL STRIKE IS SOLVED / Free Shipping for orders over $500* Some exceptions may apply.
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Adapters, Spacer Rings & Extensions

Adapters are a must-have accessory when you are into astrophotography. You probably want to have some in your inventory to help you complete the back focus needed.

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SVBONY Telescope Metal Eyepiece Adapter - Astronomy Plus
SVBONY Telescope Metal Eyepiece Adapter - Astronomy Plus Save up to $3.00 Save $0.00
$9.00 - $20.00
$9.00 - $20.00
$9.00
$7.65 - $17.00
$7.65 - $17.00
$7.65

SVBONY Telescope Metal Eyepiece Adapter

SVBONY Telescope Eyepiece Adapter  Fully metal telescope eyepiece adapter of four different size suitable for almost all the eyepieces Features ...

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$9.00 - $20.00
$9.00 - $20.00
$9.00
$7.65 - $17.00
$7.65 - $17.00
$7.65
Save up to $3.00 Save $0.00
SVBONY Camera Adapter for SCT& (W9127A) - Astronomy Plus
SVBONY Camera Adapter for SCT& (W9127A) - Astronomy Plus Save $3.60 Save $0.00
$24.00
$24.00 - $24.00
$24.00
$20.40
$20.40 - $20.40
$20.40

SVBONY Camera Adapter for SCT (W9127A)

SVBONY SV167 Camera Adapter for SCT  SVBONY SV167 is a T-adapter attaches an SLR or DSLR camera to a SCT for prime focus photography. T-threads ac...

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$24.00
$24.00 - $24.00
$24.00
$20.40
$20.40 - $20.40
$20.40
Save $3.60 Save $0.00
SVBONY T-ring Adapter for Canon - Astronomy Plus
SVBONY T-ring Adapter for Canon - Astronomy Plus Save up to $2.70 Save $0.00
$12.00 - $18.00
$12.00 - $18.00
$12.00
$10.20 - $15.30
$10.20 - $15.30
$10.20

SVBONY T-ring Adapter for Canon

SVBONY SV195 T-ring Adapter for Canon Canon camera adapters with M42 or wide M48 female thread, using these Canon EF-mount Adapters, you can conne...

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$12.00 - $18.00
$12.00 - $18.00
$12.00
$10.20 - $15.30
$10.20 - $15.30
$10.20
Save up to $2.70 Save $0.00
PrimaluceLab Adapter ESATTO 3,5” LP for OfficinaStellare Veloce RH200 (PL3600365) - Astronomy Plus
$263.00 - $263.00
$263.00
$263.00 - $263.00
$263.00

PrimaluceLab Adapter ESATTO 3,5” LP for OfficinaStellare Veloce RH200 (PL3600365)

PrimaluceLab Adapter ESATTO 3,5” LP for OfficinaStellare Veloce RH200 Since RH200 optimal backfocus is 105mm from the rear tip-tilt plate, by...

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$263.00 - $263.00
$263.00
$263.00 - $263.00
$263.00
PrimaluceLab Adapter from M98 to M68 with stop ring for ESATTO 3,5” LP (PL3600363) - Astronomy Plus
$169.00 - $169.00
$169.00
$169.00 - $169.00
$169.00

PrimaluceLab Adapter from M98 to M68 with stop ring for ESATTO 3,5” LP (PL3600363)

PrimaluceLab Adapter from M98 to M68 with stop ring for ESATTO 3,5” LP Adapter from M98 to M68 with stop ring for ESATTO 3,5" LP allows you to con...

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$169.00 - $169.00
$169.00
$169.00 - $169.00
$169.00
ZWO EOS Lens Adapter for 2“ EFW Filter Wheel (EFW2-EOS) - Astronomy Plus
ZWO EOS Lens Adapter for 2“ EFW Filter Wheel (EFW2-EOS) - Astronomy Plus
$66.00 - $66.00
$66.00
$66.00 - $66.00
$66.00

ZWO EOS Lens Adapter for 2“ EFW Filter Wheel (EFW2-EOS)

ZWO EOS Lens Adapter for 2“ EFW Filter Wheel If you are looking for the perfect way to connect your EOS lens to the ZWO 2" EFW, then look no furthe...

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$66.00 - $66.00
$66.00
$66.00 - $66.00
$66.00
Baader T-2 / 2" Nosepiece (M48) nosepiece with Safety Kerfs (2458130) - Astronomy Plus
Baader T-2 / 2" Nosepiece (M48) nosepiece with Safety Kerfs (2458130) - Astronomy Plus
$66.00 - $66.00
$66.00
$66.00 - $66.00
$66.00

Baader T-2 / 2" Nosepiece (M48) nosepiece with Safety Kerfs (2458130)

Baader T-2 / 2" Nosepiece Threaded for 2" filters on the telescope side, this Baader Nosepiece Adapter contains both M48 and T-2 thread on the eyep...

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$66.00 - $66.00
$66.00
$66.00 - $66.00
$66.00
Player One 1.25" - 2" Rotolock (RL125-2) - Astronomy Plus
Player One 1.25" - 2" Rotolock (RL125-2) - Astronomy Plus
Save $10.00 Save $0.00
$49.00
$49.00 - $49.00
$49.00
$39.00
$39.00 - $39.00
$39.00

Player One 1.25" - 2" Rotolock (RL125-2)

Player One 1.25" - 2" Rotolock1.25 inch to 2 inch RotolockDesign for Planetary imaging, this Rotolock can provide perfect centering and secure hold...

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$49.00
$49.00 - $49.00
$49.00
$39.00
$39.00 - $39.00
$39.00
Save $10.00 Save $0.00
Player One M54M-M54M 2MM Adapter (M54M-M54M-2) - Astronomy Plus
Save $6.00 Save $0.00
$27.00
$27.00 - $27.00
$27.00
$21.00
$21.00 - $21.00
$21.00

Player One M54M-M54M 2MM Adapter (M54M-M54M-2)

Player One M54M-M54M 2MM Adapter M54M-M54M 2mm adapter Material：Aluminum 6061-T6 Adapter：M54*0.75  male threads on both sides Extention Length: 2mm...

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$27.00
$27.00 - $27.00
$27.00
$21.00
$21.00 - $21.00
$21.00
Save $6.00 Save $0.00
Player One M48M M42M 2mm Adapter (M48M-M42M-2) - Astronomy Plus
Save $6.00 Save $0.00
$25.00
$25.00 - $25.00
$25.00
$19.00
$19.00 - $19.00
$19.00

Player One M48M M42M 2mm Adapter (M48M-M42M-2)

Player One M48M M42M 2mm Adapter M48M-M42M 2mm adapter Material：Aluminum 6061-T6 Adapter: M48*0.75 male threads and M42*0.75 female threads Extenti...

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$25.00
$25.00 - $25.00
$25.00
$19.00
$19.00 - $19.00
$19.00
Save $6.00 Save $0.00
Player One M48M - M48M 2mm adapter (M48M-M48M-2) - Astronomy Plus
Save $6.00 Save $0.00
$25.00
$25.00 - $25.00
$25.00
$19.00
$19.00 - $19.00
$19.00

Player One M48M - M48M 2mm adapter (M48M-M48M-2)

Player One M48M - M48M 2mm adapterM48M-M48M 2mm adapterMaterial：Aluminum 6061-T6Adapter：M48*0.75 male threads on both sidesExtention Length: 2mmTec...

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$25.00
$25.00 - $25.00
$25.00
$19.00
$19.00 - $19.00
$19.00
Save $6.00 Save $0.00
Player One Solar Fast Tilter (SFT) - Astronomy Plus
Player One Solar Fast Tilter (SFT) - Astronomy Plus
Save $29.00 Save $0.00
$138.00
$138.00 - $138.00
$138.00
$109.00
$109.00 - $109.00
$109.00

Player One Solar Fast Tilter (SFT)

Player One Solar Fast Tilter Every fan of solar narrowband imaging has been tormented by Newton rings. Although our camera has integrated sensor ti...

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$138.00
$138.00 - $138.00
$138.00
$109.00
$109.00 - $109.00
$109.00
Save $29.00 Save $0.00
Baader Hyperion T-Adapter M43i/T-2a (M42x0.75) (2958080) - Astronomy Plus
Baader Hyperion T-Adapter M43i/T-2a (M42x0.75) (2958080) - Astronomy Plus
$28.00 - $28.00
$28.00
$28.00 - $28.00
$28.00

Baader Hyperion T-Adapter M43i/T-2a (M42x0.75) (2958080)

Baader Hyperion T-Adapter M43i/T-2a (M42x0.75) To connect DSLR T-rings Connection to the Astro T-2 system for classical eyepiece projection For Hy...

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$28.00 - $28.00
$28.00
$28.00 - $28.00
$28.00
Baader M54 internal Inverter ring (M54-INVI) - Astronomy Plus
$51.00 - $51.00
$51.00
$51.00 - $51.00
$51.00

Baader M54 internal Inverter ring (M54-INVI)

Baader M54 internal Inverter ring (converts external to internal) Changes a M54 male thread to a M54 female thread Width (optical length) = 7 mm Ma...

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$51.00 - $51.00
$51.00
$51.00 - $51.00
$51.00
Starizona HyperStar Conversion Kit - C9.25 - Gasket (HSCK-C925-G) - Astronomy Plus
$21.00 - $21.00
$21.00
$21.00 - $21.00
$21.00

Starizona HyperStar Conversion Kit - C9.25 - Gasket (HSCK-C925-G)

Starizona HyperStar Conversion Kit - C9.25 - Gasket  Sorbothane gasket used in HyperStar conversion kit for Celestron 9.25" SCTs. Useful for ...

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$21.00 - $21.00
$21.00
$21.00 - $21.00
$21.00
William Optics M63 to M48 Photo Adapter (P-PAM63-48) - Astronomy Plus
William Optics M63 to M48 Photo Adapter (P-PAM63-48) - Astronomy Plus
$86.00 - $86.00
$86.00
$86.00 - $86.00
$86.00

William Optics M63 to M48 Photo Adapter (P-PAM63-48)

William Optics M63 to M48 Photo Adapter    Technical Specifications Weight：185g In the Box William Optics M63 to M48 Photo adapter Warranty &...

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$86.00 - $86.00
$86.00
$86.00 - $86.00
$86.00
PrimaluceLab M48 Spacer 1mm (PL3304801) - Astronomy Plus
$12.00 - $12.00
$12.00
$12.00 - $12.00
$12.00

PrimaluceLab M48 Spacer 1mm (PL3304801)

PrimaluceLab M48 Spacer 1mm    Technical Specifications Product Name PrimaLuceLab - M48 Spacer 1mm SKU PRI-PL3304801 Brand PrimaluceLab  ...

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$12.00 - $12.00
$12.00
$12.00 - $12.00
$12.00
PrimaluceLab Adapter ESATTO 2" LP for telescopes with SC thread (PL3600542) - Astronomy Plus
$128.00 - $128.00
$128.00
$128.00 - $128.00
$128.00

PrimaluceLab Adapter ESATTO 2" LP for telescopes with SC thread (PL3600542)

PrimaluceLab Adapter ESATTO 2" LP for telescopes with SC thread By adding this adapter, you can connect the ESATTO 2" LP low profile robotic focuse...

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$128.00 - $128.00
$128.00
$128.00 - $128.00
$128.00
Svbony Adapter for Sony NEX Alpha Body Camera - Astronomy Plus
Svbony Adapter for Sony NEX Alpha Body Camera - Astronomy Plus
Save up to $3.30 Save $0.00
$19.00 - $22.00
$19.00 - $22.00
$19.00
$16.15 - $18.70
$16.15 - $18.70
$16.15

Svbony Adapter for Sony NEX Alpha Body Camera

Svbony SV196 Adapter for Sony NEX Alpha Body Camera This adapter allows telescopes, lenses, and accessories used on your Sony NEX Alpha E-mount ca...

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$19.00 - $22.00
$19.00 - $22.00
$19.00
$16.15 - $18.70
$16.15 - $18.70
$16.15
Save up to $3.30 Save $0.00
Takahashi Camera angle adjuter (FS-60C/FC-76/SKY-90) (TKA21200) - Astronomy Plus
Takahashi Camera angle adjuter (FS-60C/FC-76/SKY-90) (TKA21200) - Astronomy Plus
$428.00 - $428.00
$428.00
$428.00 - $428.00
$428.00

Takahashi Camera angle adjuter (FS-60C/FC-76/SKY-90) (TKA21200)

Takahashi Camera angle adjuter (FS-60C/FC-76/SKY-90) This Takahashi camera angle adjuster works with the FS-78/FS-60C/FC60E and Sky-90II telescopes...

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$428.00 - $428.00
$428.00
$428.00 - $428.00
$428.00
Takahashi CA35 Camera adapter 50.8mm (TKA31201) - Astronomy Plus
Takahashi CA35 Camera adapter 50.8mm (TKA31201) - Astronomy Plus
$247.00 - $247.00
$247.00
$247.00 - $247.00
$247.00

Takahashi CA35 Camera adapter 50.8mm (TKA31201)

Takahashi CA35 Camera adapter 50.8mm Takahashi CA35 2" Camera Adapter for the TOA series telescopes.  For use with 2" extenders and the small TOA f...

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$247.00 - $247.00
$247.00
$247.00 - $247.00
$247.00
Takahashi CA35 Camera Adapter 130 (TKA23201) - Astronomy Plus
Takahashi CA35 Camera Adapter 130 (TKA23201) - Astronomy Plus
$167.00 - $167.00
$167.00
$167.00 - $167.00
$167.00

Takahashi CA35 Camera Adapter 130 (TKA23201)

Takahashi CA35 Camera Adapter Takahashi DSLR wide mount adapter for TSA/FC/FS and TOA-130 telescopes.   In the Box Takahashi CA35 Camera Adapter ...

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$167.00 - $167.00
$167.00
$167.00 - $167.00
$167.00
Takahashi FS-60 Wide T-Ring DX-WR Premium - Astronomy Plus
Takahashi FS-60 Wide T-Ring DX-WR Premium - Astronomy Plus
$194.00 - $194.00
$194.00
$194.00 - $194.00
$194.00

Takahashi FS-60 Wide T-Ring DX-WR Premium

Takahashi FS-60 Wide T-Ring DX-WR Premium Stainless steel bayonet rings - extra stable, highest precision! Takahashi offers three different series...

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$194.00 - $194.00
$194.00
$194.00 - $194.00
$194.00
Takahashi Multi CA-60C Ring (TKA20203) - Astronomy Plus
Takahashi Multi CA-60C Ring (TKA20203) - Astronomy Plus
$56.00 - $56.00
$56.00
$56.00 - $56.00
$56.00

Takahashi Multi CA-60C Ring (TKA20203)

Takahashi Multi CA-60C Ring (No. 87G)  Takahashi connection ring for the multi-flattener TKA00582 when used on the FS-60CB and on the FS-60Q...

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$56.00 - $56.00
$56.00
$56.00 - $56.00
$56.00
Takahashi 2" Eyepiece adapter - Astronomy Plus
Takahashi 2" Eyepiece adapter - Astronomy Plus
$252.00 - $252.00
$252.00
$252.00 - $252.00
$252.00

Takahashi 2" Eyepiece adapter

Takahashi 2" Eyepiece adapter Takahashi's 2" Ocular Adapter attaches to the rear of the tube assembly. Comes in two available : the standard and sh...

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$252.00 - $252.00
$252.00
$252.00 - $252.00
$252.00
Takahashi Auxilliary Extension (TKA23250) - Astronomy Plus
Takahashi Auxilliary Extension (TKA23250) - Astronomy Plus
$203.00 - $203.00
$203.00
$203.00 - $203.00
$203.00

Takahashi Auxilliary Extension (TKA23250)

Takahashi Auxilliary Extension  Auxilliary Extension. Features Male M72 and Female M72 threads. 50mm length.  Screws onto any M72 threaded Takahash...

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$203.00 - $203.00
$203.00
$203.00 - $203.00
$203.00
Pegasus Astro M72 Male (Takahashi thread) to M54 Male (ADAPT-M72M-M54M) - Astronomy Plus
Pegasus Astro M72 Male (Takahashi thread) to M54 Male (ADAPT-M72M-M54M) - Astronomy Plus
$60.00 - $60.00
$60.00
$60.00 - $60.00
$60.00

Pegasus Astro M72 Male (Takahashi thread) to M54 Male (ADAPT-M72M-M54M)

Pegasus Astro M72 Male (Takahashi thread) to M54 Male   Adapter Thickness: 8.0mm Thread M72 Takahashi: Pitch 1.0mm / 4 mm length Thread: M54 Pitc...

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$60.00 - $60.00
$60.00
$60.00 - $60.00
$60.00
Pegasus Adapter M54 Male to M48 Female (ADAPT-M54M-M48F) - Astronomy Plus
$34.00 - $34.00
$34.00
$34.00 - $34.00
$34.00

Pegasus Adapter M54 Male to M48 Female (ADAPT-M54M-M48F)

Pegasus Adapter M54 Male to M48 Female Adapter Thickness: 2.0mm Thread: Pitch 0.75mm / 4 mm length In the Box Peagsus Adapter M54 Male to M48 Fe...

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$34.00 - $34.00
$34.00
$34.00 - $34.00
$34.00
Pegasus Astro M54 Male to 2” Nosepiece (inner hole with 2” filter thread) (ADAPT-M54M-2NP) - Astronomy Plus
Pegasus Astro M54 Male to 2” Nosepiece (inner hole with 2” filter thread) (ADAPT-M54M-2NP) - Astronomy Plus
$41.00 - $41.00
$41.00
$41.00 - $41.00
$41.00

Pegasus Astro M54 Male to 2” Nosepiece (inner hole with 2” filter thread) (ADAPT-M54M-2NP)

Pegasus Astro M54 Male to 2” Nosepiece (inner hole with 2” filter thread)  Total Nosepiece Length :35mm Adapter Thickness : 1.5mm Thread: Pitch 0....

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$41.00 - $41.00
$41.00
$41.00 - $41.00
$41.00
Optec DSI 3.5x24tpi male thread adapter to M54 x 0.75mm camera thread - Astronomy Plus
$126.00 - $126.00
$126.00
$126.00 - $126.00
$126.00

Optec DSI 3.5x24tpi male thread adapter to M54 x 0.75mm camera thread

Optec DSI 3.5x24tpi male thread adapter to M54 x 0.75mm camera thread Outside Diameter:  3.82" (97.0mm) Overall Height: 0.62" (15.7mm) Clear Apert...

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$126.00 - $126.00
$126.00
$126.00 - $126.00
$126.00
Starizona Hyperstar Camera Adapter - Astronomy Plus
Starizona Hyperstar Camera Adapter - Astronomy Plus
$96.00 - $123.00
$96.00 - $123.00
$96.00 - $123.00
$96.00

Starizona Hyperstar Camera Adapter

Starizona Hyperstar Camera Adapter Please Specify your camera model when you place your order Accurate backfocus distance necessitates an adapter t...

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$96.00 - $123.00
$96.00 - $123.00
$96.00 - $123.00
$96.00
Svbony SV123 Spotting Scope Camera Adapter Extension Tube (F9194A) - Astronomy Plus
Svbony SV123 Spotting Scope Camera Adapter Extension Tube (F9194A) - Astronomy Plus
Save $7.95 Save $0.00
$53.00
$53.00 - $53.00
$53.00
$45.05
$45.05 - $45.05
$45.05

Svbony SV123 Spotting Scope Camera Adapter Extension Tube (F9194A)

Svbony SV123 Spotting Scope Camera Adapter Extension Tube Svbony Spotting Scope Photo Adapter for DSLR Camera (Connect your Camera to Spotting Sco...

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$53.00
$53.00 - $53.00
$53.00
$45.05
$45.05 - $45.05
$45.05
Save $7.95 Save $0.00
M54 All-in-One Adapter Kit - Astronomy Plus
$182.00 - $182.00
$182.00
$182.00 - $182.00
$182.00

QHYCCD M54 All-in-One Adapter Kit

QHYCCD M54 All-in-One Adapter Kit If all the existing package solutions cannot meet the demand, such as the situation where the BFL requirement is ...

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$182.00 - $182.00
$182.00
$182.00 - $182.00
$182.00
ZWO T2-1.25" Holder (T2-1.25M) - Astronomy Plus
$34.00 - $34.00
$34.00
$34.00 - $34.00
$34.00

ZWO T2-1.25" Holder (T2-1.25M)

ZWO T2-1.25" Holder The ZWO T2-1.25" Holder allows the use of accessories with a 1.25″ barrel on a camera or any other accessory with a M42x0.75 (T...

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$34.00 - $34.00
$34.00
$34.00 - $34.00
$34.00
Antares 2" Adapter 1.25" Extension (ET1) - Astronomy Plus
$30.00 - $30.00
$30.00
$30.00 - $30.00
$30.00

Antares 2" Adapter 1.25" Extension (ET1S)

Antares 2" Adapter 1.25" Extension ET1 extends any 1.25" accessory by 2". Accepts 1.25" Filters; Side screw retainer.   1.25″x2″ extension tube wi...

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$30.00 - $30.00
$30.00
$30.00 - $30.00
$30.00
William Optics 48mm T mount for Sony E - Black (TM-SN-E-M48) - Astronomy Plus
William Optics 48mm T mount for Sony E - Black (TM-SN-E-M48) - Astronomy Plus
$61.00 - $61.00
$61.00
$61.00 - $61.00
$61.00

William Optics 48mm T mount for Sony E - Black (TM-SN-E-M48)

William Optics 48mm T mount for Sony E - Black In the Box William Optics 48mm T mount for Sony E - Black Warranty & Manuals William Optic...

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$61.00 - $61.00
$61.00
$61.00 - $61.00
$61.00
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