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PRE-ORDER THE SEESTAR S50-PRO - PROMOTIONAL PRICE 1 304$ - Until Sept. 15th 2026.

Telescopes & Astronomy Equipment on Sale

Telescopes and astronomy equipment on sale give you the opportunity to acquire high-performance instruments at reduced prices, perfect for exploring the night sky. Whether you are an experienced enthusiast or an amateur looking to expand your setup, these deals make astronomy more accessible.

You’ll find telescopes, eyepieces, filters, and accessories suitable for various types of observation, from planets to deep-sky objects. Sales offer the chance to try new models or upgrade your existing setup without compromising quality, all at a good value. We also have overstock sales of astronomy equipment at reduced prices.

This page is regularly updated to provide the best prices on astronomy equipment. Whether your goal is to introduce others to astronomy or enhance your personal observations, these promotions make it easier to access reliable, high-quality instruments. Explore our offers and discover tools that will enrich your observing sessions while staying within your budget. You can also discover our secondhand and used astronomy equipment or open boxes of astronomy equipment. 

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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 Sold out
$540.00
$540.00 - $540.00
$540.00
$400.00
$400.00 - $400.00
$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
$540.00 - $540.00
$540.00
$400.00
$400.00 - $400.00
$400.00
Sold out
MirroSky SkyPilot 127 Mak Smart Telescope (MS35122X) Spectrum Optics
MirroSky SkyPilot 127 Mak Smart Telescope (MS35122X) Spectrum Optics Save $129.00 Save $0.00
$1,539.00
$1,539.00 - $1,539.00
$1,539.00
$1,410.00
$1,410.00 - $1,410.00
$1,410.00

MirroSky SkyPilot 127 Mak Smart Telescope

Spectrum Optics

MirroSky SkyPilot 127 Mak Smart Telescope  The SkyPilot 127 is a smart telescope designed for advanced stargazers and astrophotography enthusiasts....

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$1,539.00
$1,539.00 - $1,539.00
$1,539.00
$1,410.00
$1,410.00 - $1,410.00
$1,410.00
Save $129.00 Save $0.00
SVBONY 8x32 ED Binoculars (W9310A) Svbony Save $26.00 Save $0.00
$168.00
$168.00 - $168.00
$168.00
$142.00
$142.00 - $142.00
$142.00

SVBONY 8x32 ED Binoculars (W9310A)

Svbony

SVBONY Upgraded SV202 8x32 ED Binoculars (W9310A) Advanced ED Optical System; Features extra-low dispersion (ED) glass for exceptional resolution...

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$168.00
$168.00 - $168.00
$168.00
$142.00
$142.00 - $142.00
$142.00
Save $26.00 Save $0.00
Farpoint V Series Dovetail Plate for Celestron C11 (FVC11) - Astronomy Plus
Farpoint V Series Dovetail Plate for Celestron C11 (FVC11) - Astronomy Plus Save $79.00 Save $0.00
$129.00
$129.00 - $129.00
$129.00
$50.00
$50.00 - $50.00
$50.00

Farpoint V Series Dovetail Plate for Celestron C11 - OPEN BOX (FVC11-O)

Farpoint

Farpoint V Series Dovetail Plate for Celestron C11 - OPEN BOX In perfect shape. Final sale.  Safely attach telescope optical tubes and accessories ...

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$129.00
$129.00 - $129.00
$129.00
$50.00
$50.00 - $50.00
$50.00
Save $79.00 Save $0.00
SVBONY SV225 MINI Alt-Azimuth Telescope Mount (W9181B) Svbony
Save $2.00 Save $0.00
$136.00
$136.00 - $136.00
$136.00
$134.00
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$134.00

SVBONY SV225 MINI Alt-Azimuth Telescope Mount (W9181B)

Svbony

SVBONY SV225 MINI Alt-Azimuth Telescope Mount Family design with CNC hollow structure the weight of the SV225 MINI Alt‑Azimuth mount is only 1.6 kg...

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$136.00
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$136.00
$134.00
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$134.00
Save $2.00 Save $0.00
Vaonis Vespera II - X Edition Smart Telescope- LIMITED (VESIIX) Vaonis
Vaonis Vespera II - X Edition Smart Telescope- LIMITED (VESIIX) Vaonis
Sold out
$3,449.00
$3,449.00 - $3,449.00
$3,449.00
$2,300.00
$2,300.00 - $2,300.00
$2,300.00

Vaonis Vespera II - X Edition Smart Telescope- LIMITED (VESIIX)

Vaonis

Vaonis Vespera II - X Edition The Collector’s Smart Telescope Vespera II — X Edition reveals the architecture that makes it the most reliable smart...

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$3,449.00
$3,449.00 - $3,449.00
$3,449.00
$2,300.00
$2,300.00 - $2,300.00
$2,300.00
Sold out
Celestron X-CEL LX 1.25" 3x Barlow Lens (93428) - Astronomy Plus
Celestron X-CEL LX 1.25" 3x Barlow Lens (93428) - Astronomy Plus
Sold out
$170.00
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$170.00
$150.00
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$150.00

Celestron X-CEL LX 1.25" 3x Barlow Lens - OPEN BOX (93428-O)

Celestron

Celestron X-CEL LX 1.25" 3x Barlow Lens - OPEN BOX When inserted between the eyepiece and telescope, this premium 3x Barlow lens triples the magnif...

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$170.00
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$170.00
$150.00
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$150.00
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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
$559.00 - $559.00
$559.00
$480.00
$480.00 - $480.00
$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
$559.00 - $559.00
$559.00
$480.00
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$480.00
Save $79.00 Save $0.00
Player One Uranus-M USB3.0 Mono Camera Open Box (URANUS-M-O) Player One
Sold out
$615.00
$615.00 - $615.00
$615.00
$550.00
$550.00 - $550.00
$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
$550.00 - $550.00
$550.00
Sold out
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
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
$45.00 - $45.00
$45.00
$10.00 - $32.00
$10.00 - $32.00
$10.00
Save up to $35.00 Save $0.00
Save $25.00 Save $0.00
$70.00
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$70.00
$45.00
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$45.00

Explore Scientific ExploreHut Space Rocket (88-70802)

Explore Scientific

Explore Scientific ExploreHut Space Rocket  Great for indoor or outdoor use Open the hatch entrance Circular flap opening for crawl-through fun In...

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$70.00
$70.00 - $70.00
$70.00
$45.00
$45.00 - $45.00
$45.00
Save $25.00 Save $0.00
Starfield 60mm Guide Scope Helical Focuser (SFG-60NR) Starfield
Starfield 60mm Guide Scope Helical Focuser (SFG-60NR) Starfield
Save $50.00 Save $0.00
$210.00
$210.00 - $210.00
$210.00
$160.00
$160.00 - $160.00
$160.00

Starfield 60mm Guide Scope Helical Focuser (SFG-60NR)

Starfield

Starfield 60mm Guide Scope Helical Focuser Improve guiding accuracy for astrophotography and deep-sky DSO imaging with the Starfield 60mm Guide Sco...

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$210.00
$210.00 - $210.00
$210.00
$160.00
$160.00 - $160.00
$160.00
Save $50.00 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
$340.00 - $340.00
$340.00
$250.00
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$250.00

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
$340.00 - $340.00
$340.00
$250.00
$250.00 - $250.00
$250.00
Save $90.00 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
$330.00 - $330.00
$330.00
$230.00
$230.00 - $230.00
$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
$330.00 - $330.00
$330.00
$230.00
$230.00 - $230.00
$230.00
Save $100.00 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
$15.00 - $30.00
$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
$15.00 - $30.00
$15.00 - $30.00
$15.00
Save up to $13.00 Save $0.00
Kimtech Science Kimwipes™ Delicate Task Wipes Kimtech
Kimtech Science Kimwipes™ Delicate Task Wipes Kimtech
Save $3.50 Save $0.00
$12.00
$12.00 - $12.00
$12.00
$8.50
$8.50 - $8.50
$8.50

Kimtech Science Kimwipes™ Delicate Task Wipes

Kimtech

Kimtech Science™ Kimwipes™ Delicate Task Wipes (286 sheets) When your work requires delicate, precision wiping to handle critical tasks, Kimtech Sc...

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$12.00
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$12.00
$8.50
$8.50 - $8.50
$8.50
Save $3.50 Save $0.00
Buckeye ZWO EAF Mounting Solutions - Astronomy Plus
Buckeye ZWO EAF Mounting Solutions - Astronomy Plus
$31.00 - $90.00
$31.00
$35.00 - $104.00
$35.00 - $104.00
$35.00

Buckeye Stargazer ZWO EAF-N & EAF-Pro Mounting Solutions

Buckeye Stargazer

Buckeye Stargazer ZWO EAF-N and EAF-Pro Mounting Solutions This bracket allows you to mount a ZWO Electronic Automatic Focuser (EAF)  onto your tel...

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$31.00 - $90.00
$31.00
$35.00 - $104.00
$35.00 - $104.00
$35.00
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
$46.00 - $46.00
$46.00
$34.00
$34.00 - $34.00
$34.00
Save $12.00 Save $0.00
Astronomy Plus Short AstroPod TA298 Carbon Fiber Tripod – 40kg Heavy Payload / 0.8m Height Astronomy Plus
Astronomy Plus Short AstroPod TA298 Carbon Fiber Tripod – 40kg Heavy Payload / 0.8m Height Astronomy Plus
Save $47.00 Save $0.00
$422.00
$422.00 - $422.00
$422.00
$375.00
$375.00 - $375.00
$375.00

Astronomy Plus Short AstroPod TA298 Carbon Fiber Tripod – 40kg Heavy Payload / 0.8m Height

Astronomy Plus

Astronomy Plus Short AstroPod Heavy Payload Carbon Fiber Tripod (TA298) The Astronomy Plus Heavy Payload Carbon Fiber Tripod (TA298) is...

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$422.00
$422.00 - $422.00
$422.00
$375.00
$375.00 - $375.00
$375.00
Save $47.00 Save $0.00
APS-C BSI CMOS astrophotography camera with IMX571 sensor, high resolution 6224x4168
SC571CC Astronomy Camera with IMX571 sensor
Save $70.00 Save $0.00
$1,820.00
$1,820.00 - $1,820.00
$1,820.00
$1,750.00
$1,750.00 - $1,750.00
$1,750.00

SVBONY APS-C Color Cooled Astronomy Camera SC571CC

Svbony

SVBONY APS-C Color Cooled Astronomy Camera SC571CC The SC571CC is equipped with the APS-C format Sony IMX571 sensor, measuring 23.5mm × 15.7mm wit...

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$1,820.00
$1,820.00 - $1,820.00
$1,820.00
$1,750.00
$1,750.00 - $1,750.00
$1,750.00
Save $70.00 Save $0.00
Lunt LS40FHa Front Mounted 40mm Double Stack Filter (LS40FHa) - Astronomy Plus
Lunt LS40FHa Front Mounted 40mm Double Stack Filter (LS40FHa) - Astronomy Plus
Save $241.00 Save $0.00
$1,091.00
$1,091.00 - $1,091.00
$1,091.00
$850.00
$850.00 - $850.00
$850.00

Lunt LS40FHa Solar Filter (LS40FHa) – Previous Generation Sale

Lunt

Lunt 40mm Front Mounted Double Stack Filter - Previous Generation Sale It’s finally available! The Lunt Solar 40mm Double Stack Hydrogen-alpha Fil...

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$1,091.00
$1,091.00 - $1,091.00
$1,091.00
$850.00
$850.00 - $850.00
$850.00
Save $241.00 Save $0.00
Save $864.00 Save $0.00
$3,959.00
$3,959.00 - $3,959.00
$3,959.00
$3,095.00
$3,095.00 - $3,095.00
$3,095.00

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
$3,959.00 - $3,959.00
$3,959.00
$3,095.00
$3,095.00 - $3,095.00
$3,095.00
Save $864.00 Save $0.00
Sold out
$1,170.00
$1,170.00 - $1,170.00
$1,170.00
$870.00
$870.00 - $870.00
$870.00

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
$1,170.00 - $1,170.00
$1,170.00
$870.00
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$870.00
Sold out
Sold out
$240.00
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$240.00
$185.00
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$185.00

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
$240.00 - $240.00
$240.00
$185.00
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$185.00
Sold out
Save $64.00 Save $0.00
$174.00
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$174.00
$110.00
$110.00 - $110.00
$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
$174.00 - $174.00
$174.00
$110.00
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$110.00
Save $64.00 Save $0.00
Sold out
$117.00
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$117.00
$60.00
$60.00 - $60.00
$60.00

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
$60.00
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$60.00
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Sold out
$69.00
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$69.00
$40.00
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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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$69.00
$69.00 - $69.00
$69.00
$40.00
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$40.00
Sold out
Save $80.00 Save $0.00
$300.00
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$300.00
$220.00
$220.00 - $220.00
$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
$300.00 - $300.00
$300.00
$220.00
$220.00 - $220.00
$220.00
Save $80.00 Save $0.00
Save $94.00 Save $0.00
$364.00
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$364.00
$270.00
$270.00 - $270.00
$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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$364.00
$270.00
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$270.00
Save $94.00 Save $0.00
Sold out
$101.00
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$101.00
$65.00
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$65.00

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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$101.00
$65.00
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$65.00
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$520.00
$520.00 - $520.00
$520.00
$400.00
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$400.00

APM Ceramic Safety 2" Herschel Prism - USED (HP2-U)

APM

APM Ceramic Safety 2" Herschel Prism - USED   High quality surfaces for best contrast values Completely closed body with light catch Pre-installed...

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$520.00
$520.00 - $520.00
$520.00
$400.00
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$400.00
Sold out
Save $72.00 Save $0.00
$241.00
$241.00 - $241.00
$241.00
$169.00
$169.00 - $169.00
$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
$241.00 - $241.00
$241.00
$169.00
$169.00 - $169.00
$169.00
Save $72.00 Save $0.00
Save $72.00 Save $0.00
$241.00
$241.00 - $241.00
$241.00
$169.00
$169.00 - $169.00
$169.00

Baader Hyperion 13mm 68° - USED (HYP-13-U)

Baader Planetarium

Baader Hyperion 13mm 68° - USED Barely used. In perfect condition. Baader Hyperion Eyepiece 13mm Huge 68 degree wide angle field, tailored to the ...

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$241.00
$241.00 - $241.00
$241.00
$169.00
$169.00 - $169.00
$169.00
Save $72.00 Save $0.00
$57.00 - $150.00
$57.00
$75.00 - $150.00
$75.00 - $150.00
$75.00

Starfield Dew Heater Strip

Starfield

Starfield Dew Heater Strip Dew Heaters for Telescopes & Astrophotography  Dew can end an imaging session fast—especially as temperatures drop t...

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$57.00 - $150.00
$57.00
$75.00 - $150.00
$75.00 - $150.00
$75.00
PrimaluceLab Adapter ESATTO 2" LP for telescopes with SC thread (PL3600542) - Astronomy Plus
Save $33.00 Save $0.00
$133.00
$133.00 - $133.00
$133.00
$100.00
$100.00 - $100.00
$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
$133.00 - $133.00
$133.00
$100.00
$100.00 - $100.00
$100.00
Save $33.00 Save $0.00
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