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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
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Current price $16.00

ZWO M48-M42 Adapter (M48-M42)

ZWO M48-M42 Adapter The ZWO M48-M42 Adapter allows you to convert a M48 female tread to a M42 female thread.     Technical Specifications Connec...

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Original price $16.00 - Original price $16.00
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Original price $24.00 - Original price $24.00
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$24.00
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Current price $24.00

ZWO M42-M48 16.5mm Adapter (T2-M48-16.5)

ZWO M42-M48 16.5mm Adapter The ZWO M42-M48 16.5mm Adapter is useful to obtain a precise spacing when using a focal reducer or corrector that needs ...

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Original price $24.00 - Original price $24.00
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Original price $174.00 - Original price $174.00
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$174.00
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Askar M48 / M54 Backfocus Adjuster

Askar M48/M54 Back Focus Adjuster In daily astronomical shooting, the back focus will have an influence. Astronomical photographers are often frust...

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Original price $174.00 - Original price $174.00
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Original price $37.00 - Original price $37.00
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$37.00
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SVBONY SV119 2'' M48 Extension Tube Kit (F9190A)

SVBONY SV119 2'' M48 Extension Tube Kit Svbony extension tube kit of M48x0.75 thread 5mm 10mm 15mm 30mm for solving spacing problems in astrophotog...

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Original price $37.00 - Original price $37.00
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Original price $128.00 - Original price $169.00
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Current price $128.00

PrimaluceLab Adapters from M56

PrimaluceLab Adapters from M56 (ESATTO 2"/ ARCO 2") PrimaluceLab Adapter from M56 to M48 with Stop Ring for ESATTO 2" (PL3600216) The PrimaluceLab...

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Original price $128.00 - Original price $169.00
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Current price $128.00
Original price $39.90 - Original price $39.90
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$39.90
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Antares M42 Camera Adapter 2" (2DP42)

Antares M42 Camera Adapter 2" DP2 adapts your 2" focuser or diagonal directly to M42 T-Thread. Threaded for filters. In the Box Antares M42 Camera ...

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Original price $39.90 - Original price $39.90
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Original price $27.00 - Original price $27.00
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SVBONY M42 Extension Tube Kit (F9160A)

SVBONY M42 Extension Tube Kit Svbony fully metal M42 extension tube kit of four different length of 5mm, 10mm, 15mm, 20mm. 1. All metal constructio...

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Original price $27.00 - Original price $27.00
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Original price $42.56 - Original price $42.56
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$42.56
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Antares Twist-Lock Adapter 2"-1.25" (MDATL)

Antares Twist-Lock Adapter 2"-1.25" The MDATL Twist-lock adapter allows use of 1.25" accessories in the 2" format. It will work with any barrel des...

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Original price $42.56 - Original price $42.56
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Original price $61.11 - Original price $61.11
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$61.11
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Celestron M42 Spacer Ring Kit (93618)

Celestron M42 Spacer Ring Kit To achieve the best astroimages, it is important to attain the proper back-focus distance for your camera relative to...

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Original price $61.11 - Original price $61.11
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Original price $31.92 - Original price $31.92
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Antares SCT Camera Adapter M42 55mm (TAL)

Antares SCT Camera Adapter M42 55mm TAL threads directly onto the back of your Schmidt-Cassegrain and outputs M42 T-thread with a 55mm extension.  ...

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Original price $31.92 - Original price $31.92
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Original price $22.00 - Original price $22.00
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ZWO T2-1.25" Filter Adapter (T2-1.25-3)

ZWO T2-1.25" Filter Adapter The ZWO T2-1.25" Filter Adapter allows you to install a 1.25" filter the sensor of your camera.   Technical Specificati...

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Original price $22.00 - Original price $22.00
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Original price $47.00 - Original price $223.00
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PrimaluceLab Adapter ESATTO 2"

PrimaluceLab Adapter ESATTO 2" Adapter ESATTO 2" for ARCO 2" allows you to connect the rotator to ESATTO 2" microfocuser and control it through t...

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Original price $47.00 - Original price $223.00
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Original price $118.00 - Original price $118.00
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Baader 2" to 1.25" ClickLock Reducer (T2-15B)

Baader 2" to 125" ClickLock Reducer Never before has an eyepiece clamp for amateur astronomy been so elaborately crafted.Ever since Baader Planetar...

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Original price $118.00 - Original price $118.00
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Original price $34.00 - Original price $34.00
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$34.00
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Pegasus M54 Male to M42 Male (ADAPT-M54M-M42M)

Pegasus M54 Male to M42 Male Adapter Adapter Thickness: 2.0mm Thread: Pitch 0.75mm / 6 mm length M54 side has a M48 internal thread In the Box Pe...

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Original price $34.00 - Original price $34.00
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Original price $80.00 - Original price $80.00
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ZWO Canon EOS-T2 Lens Adapter (EOS-T2-II)

ZWO Canon EOS-T2 Lens Adapter The ZWO Canon EOS-T2 Lens Adapter has two parts (EOS-T2 adapter and 5mm length T2-extender). It’ unadjustable and su...

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Original price $80.00 - Original price $80.00
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Original price $34.00 - Original price $34.00
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ZWO M42M-M48F 22.5mm Extender (M42-M48-22.5)

ZWO M42M-M48F 22.5mm Extender The thickness of the M42M-M48F 22.5mm extender is 22.5mm. It is an important astronomical accessory for ASI2600MM ...

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Original price $34.00 - Original price $34.00
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Original price $24.00 - Original price $24.00
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ZWO M42-M42 21mm Adapter (T2-EXT-21)

ZWO M42-M42 21mm Adapter The ZWO M42-M42 21mm Adapter is useful to obtain a precise spacing when using a focal reducer or corrector that needs a ce...

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Original price $24.00 - Original price $24.00
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Original price $22.00 - Original price $22.00
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ZWO M54 Male to M42 Female Adapter (M54M-M42F)

ZWO M54 Male to M42 Female Adapter   In the Box ZWO M54 Male to M42 Female Adapter Manuals & Warranty ZWO 2-Years Warranty  

Original price $22.00 - Original price $22.00
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Original price $34.00 - Original price $34.00
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Pegasus Astro Adapter M54 Male to M54 Male (ADAPT-M54M-M54M)

Pegasus Astro Adapter M54 Male to M54 Male Adapter Thickness: 2.0mm Thread: Pitch 0.75mm / 6 mm length M54 side has an M48 internal thread which ca...

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Original price $34.00 - Original price $34.00
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Original price $60.00 - Original price $60.00
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Celestron 2" to 1.25" Adapter with Twist-Lock (93668)

Celestron 2" to 1.25" Adapter with Twist-Lock The Celestron 2” to 1.25” Adapter with Twist-Lock was designed for visual observers who use both 2” a...

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Original price $60.00 - Original price $60.00
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Original price $13.30 - Original price $13.30
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Antares M54-M48 Camera Adapter (M54-M48)

Antares M54-M48 Camera Adapter M54-M48 reduces female M54 to female M48 In the Box Antares M54-M48 Camera Adapter Warranty & Manuals Antares ...

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Original price $13.30 - Original price $13.30
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Original price $17.29 - Original price $17.29
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$17.29
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Antares M42 Camera Adapter 1.25" (DP1)

Antares M42 Camera Adapter 1.25" DP1 adapts your 1.25" focuser or diagonal directly to M42 T-Thread. Threaded for filters.   In the Box Antares M42...

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Original price $17.29 - Original price $17.29
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Original price $10.00 - Original price $10.00
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$10.00
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Astronomy Plus 2" Threaded Seestar Filter Adapter (SEE-FA)

Astronomy Plus 2" Threaded Seestar Filter Adapter  Enhance your photographic experience with the new 3D printed (PLA) filter adapter, suited especi...

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Original price $10.00 - Original price $10.00
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Original price $30.00 - Original price $30.00
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Astronomy Plus 2" Threaded Vespera Filter Adapter (VES-FA)

Astronomy Plus 2" Threaded Vespera Filter Adapter Enhance your photographic experience with the new 3D printed (PLA) filter adapter, suited especia...

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Original price $30.00 - Original price $30.00
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Original price $47.00 - Original price $47.00
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ZWO Sony NEX Lens to ASI Small-Sensor Camera Adapter (SONY-NEX)

ZWO Sony NEX Lens to ASI Small-Sensor Camera Adapter If you are looking to connect a Sony NEX lens to an ASI small-sensor camera, this is the ad...

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Original price $47.00 - Original price $47.00
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Original price $30.00 - Original price $34.00
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SVBONY SV109 Variable Thread Extension Tube

SVBONY SV109 Variable Thread Extension Tube 【Eliminate focus problems】The inner thread of the extension tube is 0.75 and the outer thread is 0.75, ...

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Original price $30.00 - Original price $34.00
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Original price $45.00 - Original price $45.00
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William Optics M48 Push-in Nosepiece for WO 2" Diagonals (WD-DIG2A)

William Optics M48 Push-in Nosepiece for WO 2" Diagonals  Special Reduced Price ! Take advantage of this high quality adapter nose piece for almost...

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Original price $45.00 - Original price $45.00
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Original price $34.00 - Original price $34.00
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Pegasus Astro Adapter M54 Male to M42 Female (ADAPT-M54M-M42F)

Pegasus Astro Adapter M54 Male to M42 Female Adapter Thickness: 2.0mm Thread: Pitch 0.75mm / 4 mm length M54 side has a M48 internal thread In th...

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Original price $34.00 - Original price $34.00
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$34.00
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Current price $34.00
Original price $31.92 - Original price $31.92
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$31.92
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Current price $31.92

Antares SCT Camera Adapter M42 30mm (TAS)

Antares SCT Camera Adapter M42 30mm TAS threads directly onto the back of your Schmidt-Cassegrain and outputs M42 T-thread with a 30mm extension.  ...

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Original price $31.92 - Original price $31.92
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$31.92
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Current price $31.92
Original price $16.00 - Original price $16.00
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$16.00
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Current price $16.00

ZWO T2-T2 Adapter (T2-T2)

ZWO T2-T2 Adapter The ZWO T2-T2 Adapter allows you to convert a M42x0.75 (T/T2) female thread to a male one. It has an optical length of 2mm.   Tec...

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Original price $16.00 - Original price $16.00
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Original price $31.00 - Original price $31.00
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$31.00
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Current price $31.00

ZWO M48-M48 16.5mm Adapter (M48-EXT16.5)

ZWO M48-M48 16.5mm Adapter The ZWO M48-M48 16.5mm Adapter is useful to obtain a precise spacing when using a focal reducer or corrector that needs ...

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Original price $31.00 - Original price $31.00
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$31.00
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Current price $31.00
Original price $128.00 - Original price $128.00
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$128.00
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Current price $128.00

PrimaLuceLab ESATTO 2" Low Profile Adapter for Telescopes with Large 3.3" SC Thread (PL3600539)

PrimaLuceLab ESATTO 2" Low Profile Adapter for Telescopes with Large 3.3" SC Thread The ESATTO 2 "LP adapter for 3.3" SC large thread telescopes al...

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Original price $128.00 - Original price $128.00
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$128.00
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Current price $128.00
Original price $130.00 - Original price $130.00
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$130.00
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Current price $130.00

PrimaluceLab 2" Adapter ESATTO 2" LP for ARCO 2" (PL3600538)

PrimaluceLab 2" Adapter ESATTO 2" LP for ARCO 2" Adapter ESATTO 2" LP for ARCO 2" allows you to connect the rotator to ESATTO 2" LP robotic focuser...

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Original price $130.00 - Original price $130.00
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$130.00
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Original price $12.00 - Original price $12.00
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$12.00
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SVBONY Classic Photography Adapter for Smartphone (W2546A)

SVBONY Classic Photography Adapter for Smartphone Universal smartphone adapter mount support eyepiece diameter 25-48mm for binocular monocular spo...

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Original price $12.00 - Original price $12.00
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$12.00
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Original price $18.00 - Original price $38.00
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Current price $18.00

Buckeye Seestar Filter Adapter

Buckeye Seestar Filter AdapterThese filter holders are meant for M48x0.75 threaded filters. However, it appears as though Baader filters will not f...

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Original price $18.00 - Original price $38.00
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Current price $18.00
Original price $58.00 - Original price $58.00
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$58.00
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Baader Adapter M54 internal to M48 external (M54F/M48E)

Baader Adapter M54 internal to M48 external (M54F/M48E) Reducing Adapter M54 to M48 with M54 female thread Changes the M54 male thread of an adapt...

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Original price $58.00 - Original price $58.00
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$58.00
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Current price $58.00
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