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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
$3,959.00 - $3,959.00
$3,959.00
$2,499.00
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$2,499.00

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
$2,499.00
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$2,499.00
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$1,100.00
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$1,100.00

Goto Kogaku Mark X Equatorial Mount - USED (KOGAKU-U)

Astronomy Plus

Rare Kogaku Goto Mark X Equatorial Mount - USED * Please note that the mount does not have a GoTo function; ''GOTO'' is its name * The GOTO Kogaku ...

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$1,100.00 - $1,100.00
$1,100.00
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$1,100.00
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$3,639.00
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$3,639.00
$3,150.00
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$3,150.00

Unistellar ODYSSEY Smart Telescope with Carry Bag and Solar Filter - USED (ODYSSEY-U)

Unistellar

Unistellar ODYSSEY Smart Telescope with Carry Bag and Solar Filter - USED  In good condition. Comes with the : Unistellar Carry backpack, Dedicate...

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$3,639.00
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$3,639.00
$3,150.00
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$3,150.00
Save $489.00 Save $0.00
$190.00 - $190.00
$190.00
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$190.00

Celestron 80mm Guidescope with Mounting Rings - USED (52309-U)

Celestron

Celestron 80mm Guidescope with Mounting Rings - USED No dovetail is included Complete package includes 125mm rings and 80mm Guidescope Compatible ...

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$190.00 - $190.00
$190.00
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$190.00
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$110.00
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$110.00

Orion Q70 32mm 70* Eyepiece - USED (Q70-U)

Orion

Orion Q70 32mm 70* Eyepiece - USED  Peering into space with a Q70 2-inch eyepiece puts your favorite nebulas and galaxies in a wonderful new persp...

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$110.00 - $110.00
$110.00
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$215.00
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$215.00

Celestron Axiom LX 23mm Eyepiece - USED (93398-U)

Celestron

Celestron Axiom LX 23mm Eyepiece - USED The Celestron Axiom LX 23mm Wide Angle Eyepiece is a high-quality wide angle eyepiece that fits 2" type tel...

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$215.00 - $215.00
$215.00
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$215.00
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$100.00
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Celestron NexGuide Autoguider - USED (93713-U)

Celestron

Celestron NexGuide Autoguider - USED Stand-Alone autoguider eliminates the need for a laptop computer Sensitive CCD sensor allows you to track on ...

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$100.00 - $100.00
$100.00
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Orion Pair of Rings for 80mm Guide Scope - USED (ORI-RINGS-U)

Orion

Orion Pair of Rings for 80mm Guide Scope - USED Mount your 80mm Guide scope with this lightly used pair of mounting rings. Technical Specifications...

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$241.00
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$169.00
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$169.00

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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$241.00
$169.00
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$169.00
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$174.00
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$110.00
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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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$110.00
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$110.00
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$300.00
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$220.00
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$220.00

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
$220.00
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$220.00
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$270.00

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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$364.00
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$270.00
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$270.00
Save $94.00 Save $0.00
William Optics Flat61 for ZenithStar 61 - USED (P-FLAT61A-U) William Optics
William Optics Flat61 for ZenithStar 61 - USED (P-FLAT61A-U) William Optics
Save $100.00 Save $0.00
$330.00
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$330.00
$230.00
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$230.00

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
Save $100.00 Save $0.00
Celestron Eyepiece and Filter Kit - 1.25" - USED (94303-U) Celestron
Celestron Eyepiece and Filter Kit - 1.25" - USED (94303-U) Celestron
Save $90.00 Save $0.00
$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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Celestron Nexstar 6SE With Accessories - USED (11068-KIT-U) Celestron
Celestron Nexstar 6SE With Accessories - USED (11068-KIT-U) Celestron
Save $570.00 Save $0.00
$1,820.00
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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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$1,250.00
Save $570.00 Save $0.00
Save up to $35.00 Save $0.00
$45.00
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$45.00
$10.00 - $32.00
$10.00 - $32.00
$10.00

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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$45.00
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$10.00
Save up to $35.00 Save $0.00
SVBONY SV229 Solar Eclipse Telescope Filters - Astronomy Plus
Save $12.00 Save $0.00
$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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$46.00
$34.00
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$34.00
Save $12.00 Save $0.00
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
$28.00 - $35.00
$28.00
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$15.00 - $30.00
$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
Chroma 3nm OIII Filter Optimized for f/2.8-f/3.6 (27066) - Astronomy Plus
$999.00 - $999.00
$999.00
$999.00 - $999.00
$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
$999.00 - $999.00
$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
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
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
$60.00 - $60.00
$60.00
$42.00
$42.00 - $42.00
$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 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
Atik 383L+ Mono Kit (ATK0067-USED) - Astronomy Plus
Atik 383L+ Mono Kit (ATK0067-USED) - Astronomy Plus
Save up to $1,575.00 Save $0.00
$3,275.00 - $4,000.00
$3,275.00 - $4,000.00
$3,275.00
$1,700.00 - $2,500.00
$1,700.00 - $2,500.00
$1,700.00

Atik 383L+ Mono Kit (ATK0067-USED)

Atik

Atik 383L+ Mono The Atik 383L+ features the Kodak KAF-8300 CCD with a huge number of good-sized pixels. This sensor has redefined mid-range astro-...

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$3,275.00 - $4,000.00
$3,275.00 - $4,000.00
$3,275.00
$1,700.00 - $2,500.00
$1,700.00 - $2,500.00
$1,700.00
Save up to $1,575.00 Save $0.00
PrimaluceLab Adapter ESATTO 2" LP for telescopes with SC thread (PL3600542) - Astronomy Plus
Sold out
$133.00
$133.00 - $133.00
$133.00
$100.00
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$100.00

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

PrimaluceLab

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

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$133.00
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$133.00
$100.00
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$100.00
Sold out
Celestron OAG Off-Axis Guider (93648) - Astronomy Plus
Sold out
$490.00
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$490.00
$340.00
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$340.00

Celestron OAG Off-Axis Guider - USED (93648-U)

Celestron

Celestron Off-Axis Guider - USED The Off-Axis Guider is an essential astroimaging accessory for long focal length telescopes that require the most ...

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$490.00
$490.00 - $490.00
$490.00
$340.00
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$340.00
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$265.00
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$265.00
$160.00
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$160.00

QHYCCD QHY5-III IMX290 Color - USED (QHY5III290-U)

QHYCCD

QHYCCD QHY5-III IMX290 Color - USED  Low-noise 2-Megapixel color camera with Sony IMX290 1920x1080 sensor with 2.9um pixels High data transfer rat...

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$265.00
$265.00 - $265.00
$265.00
$160.00
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$160.00
Sold out
Save $60.00 Save $0.00
$150.00
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$150.00
$90.00
$90.00 - $90.00
$90.00

Altair MG32 Mini Guide Scope - USED (MG32-U)

Altair

Altair MG32 Mini Guide Scope - USED In Excellent Condition The Altair MG32 Mini Guide Scope is a small "set and forget" high quality optical tube, ...

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$150.00
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$150.00
$90.00
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$90.00
Save $60.00 Save $0.00
$35.00 - $35.00
$35.00
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$35.00

Baader 1.25'' H-alpha 35nm CCF Filter - USED (2458381-U)

Baader Planetarium

Baader 1.25'' H-alpha 35nm CCF Filter - USED Premium grade H-alpha interline chip CCD-filter for fast optical systems f/10 to f/2.8 IR-blocked NO ...

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$35.00 - $35.00
$35.00
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$35.00
Save $527.00 Save $0.00
$1,077.00
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$1,077.00
$550.00
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$550.00

Touptek IMX183M Fan-cooling Mono Camera - USED (G3CMOS20000KMA-U)

Touptek

Touptek IMX183M Fan-cooling Mono Camera - USED Technical Specifications Category Specification Model G3CMOS20000KMA (G3CMOS183M) Sensor S...

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$1,077.00
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$1,077.00
$550.00
$550.00 - $550.00
$550.00
Save $527.00 Save $0.00
SVBONY SV227 SHO 5nm Narrowband 2" Filters Svbony
SVBONY SV227 SHO 5nm Narrowband 2" Filters Svbony
Sold out
$234.00
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$234.00
$140.00
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$140.00

SVBONY SV227 SHO 5nm Narrowband 1.25" Filters - USED

Svbony

SVBONY SHO 5nm Narrowband 1.25" Filters - USED The SHO filter 5nm 1.25 inch is highly transparent, allowing the emission spectrum of the nebula to ...

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$234.00
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$234.00
$140.00
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$140.00
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$100.00
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$100.00
$30.00
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$30.00

Celestron EdgeHD T-Adapter 9.25”, 11” And 14” USED (93646-U)

Celestron

Celestron EdgeHD T-Adapter - USED T-Adapter for 9.25, 11 & 14” EdgeHD optical tubes. It threads onto the rear cell. This T-Adapter allows you t...

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$100.00
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$100.00
$30.00
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$30.00
Sold out
$108.00 - $108.00
$108.00
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$108.00

Celestron Tabletop Tripod - USED (93481-U)

Celestron

Celestron Tabletop Tripod - USED  Miniature tripod perfect for using your telescope on an elevated surface such as a picnic table Provides a soli...

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$108.00 - $108.00
$108.00
$108.00 - $108.00
$108.00
$399.00 - $399.00
$399.00
$399.00 - $399.00
$399.00

Celestron Equatorial Wedge - USED (93665-U)

Celestron

Celestron Equatorial Wedge for the NexStar SE, NexStar Evolution, and Celestron Origin - USED The Wedge for NexStar Evolution, SE 6/8 and Origin mo...

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$399.00 - $399.00
$399.00
$399.00 - $399.00
$399.00
$4,485.00 - $4,485.00
$4,485.00
$4,485.00 - $4,485.00
$4,485.00

Celestron Origin Intelligent Home Observatory with 678C Camera - USED (12099-U)

Celestron

Celestron Origin Intelligent Home Observatory with 678C Camera - USED * First version Origin with latest 678C Camera * Celestron Origin stands at t...

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$4,485.00 - $4,485.00
$4,485.00
$4,485.00 - $4,485.00
$4,485.00
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