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Enjoy Free Shipping on Orders Over $500 + Same-Day Dispatch (Before 3 PM*) *Some exclusions apply

Used and Second Hand Telescopes & Astronomy Equipment

Used telescopes and astronomy equipment give you the opportunity to acquire high-performance instruments at a more accessible price. At Astronomy Plus, we offer a selection of second-hand telescopes, eyepieces, cameras, and accessories tailored to the needs of astronomy and astrophotography enthusiasts.

Whether you’re an experienced observer or a beginner looking to expand your setup, used gear allows you to discover new equipment or enhance your observing capabilities without a major investment. You’ll have access to various models and configurations so you can find the instrument that best matches your goals.

Exploring our used inventory gives you the chance to compare products and choose according to your preferences and budget. Buying from Astronomy Plus means benefiting from a diverse selection and expert advice to help you understand the features and uses of each instrument. Browse our collection and find the telescope or accessory that will elevate your night-sky experience.

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$3,959.00
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Takahashi FC-100DF Fluorite Doublet APO f/7.4 - USED (TFK10110-U)

Takahashi

Takahashi FC-100DF Fluorite Doublet APO f/7.4 - USED  Bought less than a year old. In perfect condition, as new. Comes with :  Takahashi Micro Foc...

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$3,959.00
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$3,959.00
$3,095.00
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$3,095.00
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$520.00
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APM Ceramic Safety 2" Herschel Prism - USED (HP2-U)

APM

APM Ceramic Safety 2" Herschel Prism - USED   S'assurer que c'est le bon produit. Prendre photos   High quality surfaces for best contrast values ...

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$520.00
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Baader Hyperion 21mm 68° USED (HYP-21-U)

Baader Planetarium

Baader Hyperion 21mm 68° - USED Ruber eyecup missing Comes with 14mm Fine tuning ring, for different focal length Baader Hyperion Eyepiece 21mm ...

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$241.00
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$181.00
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Orion Premium Linear BinoViewer 1.25'' - USED (ORI-BINO-U) Orion
Orion Premium Linear BinoViewer 1.25'' - USED (ORI-BINO-U) Orion Save $140.00 Save $0.00
$540.00
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$400.00

Orion Premium Linear BinoViewer 1.25'' - USED (ORI-BINO-U)

Orion

Orion Premium Linear BinoViewer 1.25'' - USED Binoviewer in perfect condition. The Orion Premium Linear BinoViewer is a cutting-edge binocular view...

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$540.00
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$540.00
$400.00
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$400.00
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Baader Hyperion Universal Zoom Mark IV 8-24mm 68° - USED (HYP-ZOOM-U) Baader Planetarium
Baader Hyperion Universal Zoom Mark IV 8-24mm 68° - USED (HYP-ZOOM-U) Baader Planetarium
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$401.00
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$320.00
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Baader Hyperion Universal Zoom Mark IV 8-24mm 68° - USED (HYP-ZOOM-U)

Baader Planetarium

Baader Hyperion Universal Zoom Mark IV 8-24mm 68° - USED Both eyepieces are really good condition. Lenses and body without wear. The Baader Hyperio...

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$320.00
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$174.00
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$110.00

Celestron 2" UHC/LPR Filter - USED (94124-U)

Celestron

Celestron 2" UHC/LPR Filter - USED In excellent condition Our 2" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the tra...

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$174.00
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$117.00
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SVBONY 2 inch OIII Filter 18nm Reducing Light Pollution - USED (F9186B-U)

Svbony

SVBONY SV115 2 inch OIII Filter 18nm Reducing Light Pollution The O-III filter completely blocks virtually all other visible wavelengths of light...

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$117.00
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$117.00
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$69.00
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$40.00

Celestron VSP Vibration Suppression Pads - USED (93503-U)

Celestron

Celestron VSP Vibration Suppression Pads - USED As new Wind, an unsteady tripod, or even an accidental bump can disturb your image quality. Keep yo...

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Sky-Watcher SynScan GPS Module - USED (S30104-U)

Sky-Watcher

Sky-Watcher SynScan GPS Module - USED SynScan GPS module inputs date, time and location data into the SynScan hand controller.Compatible with all m...

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$300.00
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$300.00
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Celestron NexYZ Smartphone Adapter - USED (81055-U)

Celestron

Celestron NexYZ Smartphone Adapter - USED Great condition - with original packing box The NexYZ 3-Axis Universal Smartphone Adapter is a great firs...

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Celestron 2" Dielectric Star Diagonal with Twist-Lock - USED (93573-U)

Celestron

Celestron 2" Dielectric Star Diagonal with Twist-Lock - USED Excellent condition Ensure maximum light transmission without loss of optical quality ...

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TeleGizmos Standard Series EQ & Alt-Az Cover for 4'' Refractor - USED (TGR4-U)

TeleGizmos

TeleGizmos Standard Series EQ & Alt-Az Cover for 4'' Refractor - USED In perfect shape - TGR4 for 4'' Refractors The TeleGizmos Standard Series...

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$101.00
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Sky-Watcher V5 SynScan Handbox Controller - USED (S30106-U)

Sky-Watcher

Sky-Watcher V5 SynScan Handbox Controller - USED 42,000 object data base Built-in USB-B 2.0 port for easy control via PC or firmware updates Only ...

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$240.00
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Sky-Watcher AL-EQ55i Mount - USED (S30515-U)

Sky-Watcher

Sky-Watcher AL-EQ55i Go-To Equatorial Mount - USED In Perfect Condition Lightweight Portability, Redefined Can be used for latitudes from 0° to 90...

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$1,170.00
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$870.00
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$870.00
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Sky-Watcher AL-EQ55i Mount - USED (S30515-U) Sky-Watcher
Sky-Watcher AL-EQ55i Mount - USED (S30515-U) Sky-Watcher
Save $245.00 Save $0.00
$1,170.00
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$925.00
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$925.00

Sky-Watcher AL-EQ55i Mount - USED (S30515-U)

Sky-Watcher

Sky-Watcher AL-EQ55i Go-To Equatorial Mount - USED In Excellent Condition Lightweight Portability, Redefined Can be used for latitudes from 0° to ...

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$1,170.00
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$1,170.00
$925.00
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$925.00
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William Optics Flat61 for ZenithStar 61 - USED (P-FLAT61A-U) William Optics
William Optics Flat61 for ZenithStar 61 - USED (P-FLAT61A-U) William Optics
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$330.00
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William Optics Flat61 for ZenithStar 61 - USED (P-FLAT61A-U)

William Optics

William Optics Flat61 for ZenithStar 61 - USED This flattener is for ZenithStar 61.    Technical Specifications Telescope Side Connection M54x0....

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$330.00
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$330.00
$230.00
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$230.00
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Celestron Eyepiece and Filter Kit - 1.25" - USED (94303-U) Celestron
Celestron Eyepiece and Filter Kit - 1.25" - USED (94303-U) Celestron
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$340.00
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Celestron Eyepiece and Filter Kit - 1.25" - USED (94303-U)

Celestron

Celestron Eyepiece and Filter Kit - 1.25" - USED In excellent condition - great first serious kit for beginners Eyepieces - All five Plossl eyepiec...

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$340.00
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$340.00
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$250.00
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Sky-Watcher Quattro 250P Imaging Newtonian 10" - USED (S11220-U) Sky-Watcher
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$1,840.00
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Sky-Watcher Quattro 250P Imaging Newtonian 10" - USED (S11220-U)

Sky-Watcher

Sky-Watcher Quattro 250P Imaging Newtonian 10" - USED OPTICS IN EXCELLENT CONDITION The Quattro imaging Newtonian is an affordable, large aperture ...

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$1,840.00
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Celestron Nexstar 6SE With Accessories - USED (11068-KIT-U) Celestron
Celestron Nexstar 6SE With Accessories - USED (11068-KIT-U) Celestron
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$1,820.00
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Celestron Nexstar 6SE With Accessories - USED (11068-KIT-U)

Celestron

Celestron Nexstar 6SE With Accessories - USED This telescope is in really good condition. Celestron’s signature orange-tube telescope combines adva...

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$1,820.00
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$1,820.00
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$1,250.00
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Celestron Lunar And Planetary 1.25" Filter Set - USED (94119-10-U) Celestron
Celestron Lunar And Planetary 1.25" Filter Set - USED (94119-10-U) Celestron
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$80.00
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$53.00
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Celestron Lunar And Planetary 1.25" Filter Set - USED (94119-10-U)

Celestron

Celestron Lunar And Planetary 1.25" Filter Set - USED These eyepieces are in excellent condition.  Colored filters can be used to bring out details...

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$80.00
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$53.00
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$45.00
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$32.00

SBVONY 1.25" Eyepieces 66 Degree 6/9/15/20 mm - USED

Svbony

SBVONY 1.25" Eyepieces 66 Degree 6/9/15/20 mm - USED 1.25 inch Svbony 66 degree astronomy eyepieces for night sky telescope viewing The edges of ...

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$45.00
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$32.00
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SVBONY SV229 Solar Eclipse Telescope Filters - Astronomy Plus
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$46.00
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$46.00
$34.00
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$34.00

SVBONY 118-158mm Solar Telescope Filters- USED (W9183C-U)

Svbony

SVBONY 118-158mm Solar Telescope Filters- USED In perfect state The SV229 is an ideal choice for viewing the sun, and it conforms the standard ISO ...

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$46.00
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$34.00
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ZWO Asiair Pro - USED (AsiairPro-U) ZWO
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$125.00 - $125.00
$125.00
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$125.00

ZWO Asiair Pro - USED (AsiairPro-U)

ZWO

ZWO Asiair Pro - USED This is the PRO version, earlier version of the PLUS The ASIAIR Pro by ZWO is a compact, smart Wi-Fi astrophotography control...

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$125.00 - $125.00
$125.00
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$125.00
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Astronomy Plus UV/IR Filter - USED (UVIR-U) Astronomy Plus
Astronomy Plus UV/IR Filter - USED (UVIR-U) Astronomy Plus
Save up to $13.00 Save $0.00
$28.00 - $35.00
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$28.00
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$15.00

Astronomy Plus UV/IR Filter - USED (UVIR-U)

Astronomy Plus

Astronomy Plus UV/IR Filter - USED A UV/IR cut filter is a valuable addition to any astrophotography setup because modern digital sensors are sensi...

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$28.00 - $35.00
$28.00 - $35.00
$28.00
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$15.00
Save up to $13.00 Save $0.00
ZWO 1.25'' LRGB Filters - USED (LRGB1.25-U) ZWO
Save $87.00 Save $0.00
$207.00
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$207.00
$120.00
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$120.00

ZWO 1.25'' LRGB Filters - USED (LRGB1.25-U)

ZWO

ZWO 1.25'' LRGB Filters - USED The LRGB filters have a better transmission, better coatings and  better color separation. The RGB color combine wei...

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$207.00
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$207.00
$120.00
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$120.00
Save $87.00 Save $0.00
Chroma 3nm OIII Filter Optimized for f/2.8-f/3.6 (27066) - Astronomy Plus
$999.00 - $999.00
$999.00
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$999.00

Chroma 3nm OIII Filter Optimized for f/2.8-f/3.6 OLDER MODEL - USED (27066-U)

Chroma

Chroma 3nm OIII Filter Optimized for f/2.8-f/3.6 - USED (OLDER MODEL) Chroma’s OIII filters isolate the 500.7nm primary emission line of doubly ion...

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$999.00 - $999.00
$999.00
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$999.00
ZWO Nikon-T2 Lens Adapter - USED (Nikon-T2-Ⅱ-U) ZWO
ZWO Nikon-T2 Lens Adapter - USED (Nikon-T2-Ⅱ-U) ZWO
Save $24.00 Save $0.00
$96.00
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$96.00
$72.00
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$72.00

ZWO Nikon-T2 Lens Adapter - USED (Nikon-T2-Ⅱ-U)

ZWO

ZWO Nikon-T2 Lens Adapter - USED The ZWO new Nikon-T2-Ⅱ adapter is independently developed by ZWO. It’s composed of a 29mm new Nikon-T2 adapter and...

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$96.00
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$96.00
$72.00
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$72.00
Save $24.00 Save $0.00
Player One Uranus-M USB3.0 Mono Camera Open Box (URANUS-M-O) Player One
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$615.00
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$615.00
$550.00
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$550.00

Player One Uranus-M USB3.0 Mono Camera Open Box (URANUS-M-O)

Player One

Player One Uranus-M USB3.0 Mono Camera Open Box Design for planetary imaging and EAA & Lucky imaging! Uranus-M and Uranus-C are not only used f...

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$615.00
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$615.00
$550.00
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$550.00
Sold out
Player One Apollo-M MINI USB3.0 Mono Camera IMX429 (Apollo-M-Mini) - Astronomy Plus
Player One Apollo-M MINI USB3.0 Mono Camera IMX429 (Apollo-M-Mini) - Astronomy Plus
Save $79.00 Save $0.00
$559.00
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$559.00
$480.00
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$480.00

Player One Apollo-M MINI USB3.0 Mono Camera IMX429 Open Box (Apollo-M-Mini-O)

Player One

Player One Apollo-M MINI USB3.0 Mono Camera IMX429 Open Box Focus on Solar imaging! Apollo series is the world’s first camera line designed specifi...

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$559.00
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$559.00
$480.00
$480.00 - $480.00
$480.00
Save $79.00 Save $0.00
Astronomy Plus Mallincam 2" 0.75x Reducer (OA-08) - USED Astronomy Plus
$185.00 - $185.00
$185.00
$185.00 - $185.00
$185.00

Astronomy Plus Mallincam 2" 0.75x Reducer (OA-08) - USED

Astronomy Plus

Astronomy Plus Mallincam 2" 0.75x Reducer (OA-08) - USED The new MallinCam 2" format focal reducer has been further improved and made for many new ...

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$185.00 - $185.00
$185.00
$185.00 - $185.00
$185.00
Meade Series 5000 SWA 28 mm 2'' Eyepiece - USED (07667-U) Meade
Meade Series 5000 SWA 28 mm 2'' Eyepiece - USED (07667-U) Meade
$190.00 - $190.00
$190.00
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$190.00

Meade Series 5000 SWA 28 mm 2'' Eyepiece - USED (07667-U)

Meade

Meade Series 5000 SWA 28 mm 2'' Eyepiece - USED   Meade’s Series 5000 28.0 mm Super Wide Angle eyepiece is a 6‑element, fully multicoated design wi...

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$190.00 - $190.00
$190.00
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$190.00
NexDome Backyard Personnal Observatory Dome - USED NexDome
$3,700.00 - $3,700.00
$3,700.00
$3,700.00 - $3,700.00
$3,700.00

NexDome Backyard Personnal Observatory Dome - USED

NexDome

NexDome Backyard Personnal Observatory Dome - USED   Unlike half-dome designs, NexDome is a classic observatory dome with more than 100 degrees o...

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$3,700.00 - $3,700.00
$3,700.00
$3,700.00 - $3,700.00
$3,700.00
Celestron EdgeHD 11 OTA (91050-XLT-U) - USED Celestron
$4,000.00 - $4,000.00
$4,000.00
$4,000.00 - $4,000.00
$4,000.00

Celestron EdgeHD 11 OTA (91050-XLT-U) - USED

Celestron

Celestron EdgeHD 11 OTA - USED TUBE ONLY See the Universe in HD Celestron EdgeHD 11 OTA is an aplanatic, flat field Schmidt-Cassegrain telescope th...

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$4,000.00 - $4,000.00
$4,000.00
$4,000.00 - $4,000.00
$4,000.00
Sky-Watcher Medium 21cm Dovetail Bar - USED (20758-U) Sky-Watcher
Sky-Watcher Medium 21cm Dovetail Bar - USED (20758-U) Sky-Watcher
Save $18.00 Save $0.00
$60.00
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$60.00
$42.00
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$42.00

Sky-Watcher Medium 21cm Dovetail Bar - USED (20758-U)

Sky-Watcher

Sky-Watcher Medium 21cm Dovetail Bar - USED Compatible with most Sky-Watcher mounts and drilled to accept Sky-Watcher tube rings.Also suita...

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$60.00
$60.00 - $60.00
$60.00
$42.00
$42.00 - $42.00
$42.00
Save $18.00 Save $0.00
William Optics ZenithStar 61II Doublet f/5.9 - USED (A-Z61IIRD-U) William Optics
William Optics ZenithStar 61II Doublet f/5.9 - USED (A-Z61IIRD-U) William Optics
Save $213.00 Save $0.00
$863.00
$863.00 - $863.00
$863.00
$650.00
$650.00 - $650.00
$650.00

William Optics ZenithStar 61II Doublet f/5.9 - USED (A-Z61IIRD-U)

William Optics

William Optics ZenithStar 61II Doublet f/5.9 - USED Excellent condition! A used flattener is available for this scope : See P-FLAT61A-U Zen...

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$863.00
$863.00 - $863.00
$863.00
$650.00
$650.00 - $650.00
$650.00
Save $213.00 Save $0.00
William Optics Gran Turismo 81 IV Triplet APO f/5.9 + Reducer - USED (F81GTIVRD-U) William Optics
William Optics Gran Turismo 81 IV Triplet APO f/5.9 + Reducer - USED (F81GTIVRD-U) William Optics
$1,850.00 - $1,850.00
$1,850.00
$1,850.00 - $1,850.00
$1,850.00

William Optics Gran Turismo 81 IV Triplet APO f/5.9 + Reducer - USED (F81GTIVRD-U)

William Optics

William Optics Gran Turismo 81 IV Triplet APO f/5.9 - USED This telescope is in really good condition. Please note that no Dovetail is included. Co...

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$1,850.00 - $1,850.00
$1,850.00
$1,850.00 - $1,850.00
$1,850.00
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