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

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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ZWO 1.25'' LRGB Filters - USED (LRGB1.25-U) ZWO Save $87.00 Save $0.00
$207.00
$207.00 - $207.00
$207.00
$120.00
$120.00 - $120.00
$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
$207.00 - $207.00
$207.00
$120.00
$120.00 - $120.00
$120.00
Save $87.00 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
$12.00 - $12.00
$12.00
$8.50
$8.50 - $8.50
$8.50
Save $3.50 Save $0.00
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
$1,170.00 - $1,170.00
$1,170.00
$925.00
$925.00 - $925.00
$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
$1,170.00 - $1,170.00
$1,170.00
$925.00
$925.00 - $925.00
$925.00
Save $245.00 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
$46.00 - $46.00
$46.00
$34.00
$34.00 - $34.00
$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
$728.00 - $728.00
$728.00
$1,400.00
$1,400.00 - $1,400.00
$1,400.00

Explore Scientific 127mm Mak-Cass on Sidara Pro GoTo Mount

Explore Scientific

Explore Scientific 127mm Mak-Cass on Sidara Pro GoTo Mount This Sidara package features a 127mm Maksutov Cassegrain telescope paired with a GoTo mo...

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$728.00 - $728.00
$728.00
$1,400.00
$1,400.00 - $1,400.00
$1,400.00
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
Lunt 50mm Ha Etalon Filter (LS50FHa) - Astronomy Plus
Lunt 50mm Ha Etalon Filter (LS50FHa) - Astronomy Plus
Save $229.00 Save $0.00
$1,679.00
$1,679.00 - $1,679.00
$1,679.00
$1,450.00
$1,450.00 - $1,450.00
$1,450.00

Lunt 50mm Ha Etalon Filter for LS60Tha & LS60MT (LS50FHa) – Previous Generation Sale

Lunt

Lunt 50mm Ha Etalon Filter for LS60Tha & LS60MT – Previous Generation Sale LS50FHa solar filter front-mounted non-obstructed hydrogen-alpha f...

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$1,679.00
$1,679.00 - $1,679.00
$1,679.00
$1,450.00
$1,450.00 - $1,450.00
$1,450.00
Save $229.00 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
Save $300.00 Save $0.00
$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
$870.00 - $870.00
$870.00
Save $300.00 Save $0.00
Sold out
$240.00
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$240.00
$185.00
$185.00 - $185.00
$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
$117.00 - $117.00
$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
$117.00 - $117.00
$117.00
$60.00
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$60.00
Sold out
Save $29.00 Save $0.00
$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
Save $29.00 Save $0.00
Save $80.00 Save $0.00
$300.00
$300.00 - $300.00
$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
Sold out
$94.00
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$94.00
$65.00
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$65.00

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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$94.00
$94.00 - $94.00
$94.00
$65.00
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$65.00
Sold out
Save $94.00 Save $0.00
$364.00
$364.00 - $364.00
$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
$364.00 - $364.00
$364.00
$270.00
$270.00 - $270.00
$270.00
Save $94.00 Save $0.00
Save $36.00 Save $0.00
$101.00
$101.00 - $101.00
$101.00
$65.00
$65.00 - $65.00
$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
$101.00 - $101.00
$101.00
$65.00
$65.00 - $65.00
$65.00
Save $36.00 Save $0.00
Save $120.00 Save $0.00
$520.00
$520.00 - $520.00
$520.00
$400.00
$400.00 - $400.00
$400.00

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
$520.00 - $520.00
$520.00
$400.00
$400.00 - $400.00
$400.00
Save $120.00 Save $0.00
Save $129.00 Save $0.00
$1,129.00
$1,129.00 - $1,129.00
$1,129.00
$1,000.00
$1,000.00 - $1,000.00
$1,000.00

ZWO ASI585MC Air Color CMOS Wireless Smart Camera - OPEN BOX (ASI585MC-Air-O)

ZWO

ZWO ASI585MC Air Color CMOS Wireless Smart Camera - OPEN BOX The ASI585MC Air is ZWO’s newly released ultra-sensitive wireless smart deep-sky came...

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$1,129.00
$1,129.00 - $1,129.00
$1,129.00
$1,000.00
$1,000.00 - $1,000.00
$1,000.00
Save $129.00 Save $0.00
Save $60.00 Save $0.00
$241.00
$241.00 - $241.00
$241.00
$181.00
$181.00 - $181.00
$181.00

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
$181.00
$181.00 - $181.00
$181.00
Save $60.00 Save $0.00
Save $61.00 Save $0.00
$241.00
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$241.00
$180.00
$180.00 - $180.00
$180.00

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
$180.00
$180.00 - $180.00
$180.00
Save $61.00 Save $0.00
$57.00 - $150.00
$57.00
$75.00 - $150.00
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$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
Save up to $336.00 Save $0.00
$1,959.00 - $2,139.00
$1,959.00 - $2,139.00
$1,959.00
$1,665.15 - $1,803.00
$1,665.15 - $1,803.00
$1,665.15

Starizona HyperStar 14" V4 (EdgeHD / Standard)

Starizona

Starizona HyperStar 14" V4 The Starizona HyperStar C14 V4 converts a Celestron 14" SCT from f/10 to f/1.9, making the system 25 times faster. That ...

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$1,959.00 - $2,139.00
$1,959.00 - $2,139.00
$1,959.00
$1,665.15 - $1,803.00
$1,665.15 - $1,803.00
$1,665.15
Save up to $336.00 Save $0.00
Starizona HyperStar 8" V4 - Astronomy Plus
Starizona HyperStar 8" V4 - Astronomy Plus
Save up to $252.00 Save $0.00
$1,399.00 - $1,579.00
$1,399.00 - $1,579.00
$1,399.00
$1,189.15 - $1,327.00
$1,189.15 - $1,327.00
$1,189.15

Starizona HyperStar 8" V4 (EdgeHD / Standard)

Starizona

Starizona HyperStar 8" V4 (EdgeHD / Standard)  The HyperStar 8 lens converts a standard Celestron 8" SCT from f/10 to f/1.9, making the system 25 t...

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$1,399.00 - $1,579.00
$1,399.00 - $1,579.00
$1,399.00
$1,189.15 - $1,327.00
$1,189.15 - $1,327.00
$1,189.15
Save up to $252.00 Save $0.00
Save up to $294.00 Save $0.00
$1,679.00 - $1,859.00
$1,679.00 - $1,859.00
$1,679.00
$1,427.15 - $1,565.00
$1,427.15 - $1,565.00
$1,427.15

Starizona HyperStar 9.25 V4 (EdgeHD / Standard)

Starizona

Starizona HyperStar 9.25 V4 The HyperStar 9.25 lens converts a standard Celestron 9.25" SCT from f/10 to f/2.2, making the system 25 times faster. ...

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$1,679.00 - $1,859.00
$1,679.00 - $1,859.00
$1,679.00
$1,427.15 - $1,565.00
$1,427.15 - $1,565.00
$1,427.15
Save up to $294.00 Save $0.00
Save up to $147.00 Save $0.00
$699.00 - $879.00
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$699.00
$594.15 - $732.00
$594.15 - $732.00
$594.15

Starizona HyperStar C6 V4

Starizona

Starizona HyperStar C6 V4 It's little, it's cute, but it performs just like its big brothers! The Starizona HyperStar C6 V3 is a perfect match to o...

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$699.00 - $879.00
$699.00 - $879.00
$699.00
$594.15 - $732.00
$594.15 - $732.00
$594.15
Save up to $147.00 Save $0.00
Starizona Field Flattener for SkyWatcher EvoGuide 50ED (EVOFF-V2) - Astronomy Plus
Save $25.05 Save $0.00
$167.00
$167.00 - $167.00
$167.00
$141.95
$141.95 - $141.95
$141.95

Starizona Field Flattener for SkyWatcher EvoGuide 50ED (EVOFF-V3)

Starizona

Starizona Field Flattener for SkyWatcher EvoGuide 50ED The new Starizona EvoFF field flattener turns the Skywatcher Evoguide 50 into a sharp, po...

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$167.00
$167.00 - $167.00
$167.00
$141.95
$141.95 - $141.95
$141.95
Save $25.05 Save $0.00
Starizona Nexus 0.75x Newtonian Focal Reducer/Coma Corrector - Astronomy Plus
Starizona Nexus 0.75x Newtonian Focal Reducer/Coma Corrector - Astronomy Plus
Save $94.50 Save $0.00
$630.00
$630.00 - $630.00
$630.00
$535.50
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$535.50

Starizona Nexus 0.75x Newtonian Focal Reducer/Coma Corrector

Starizona

Nexus 0.75x Newtonian Focal Reducer/Coma Corrector Turn your Newtonian telescope into a fast, high-quality astrographic instrument with the Sta...

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$630.00
$630.00 - $630.00
$630.00
$535.50
$535.50 - $535.50
$535.50
Save $94.50 Save $0.00
Starizona SCT Corrector IV - 0.63X Reducer / Coma Corrector (SCTCORR-4) - Astronomy Plus
Starizona SCT Corrector IV - 0.63X Reducer / Coma Corrector (SCTCORR-4) - Astronomy Plus
Save $83.85 Save $0.00
$559.00
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$559.00
$475.15
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$475.15

Starizona SCT Corrector IV - 0.63X Reducer / Coma Corrector (SCTCORR-4)

Starizona

Starizona SCT Corrector IV 0.63X Reducer / Coma Corrector Performance   The diagram above shows how the SCT Corrector improves the off-axis spot s...

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$559.00
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$559.00
$475.15
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$475.15
Save $83.85 Save $0.00
Starizona SCT Corrector LF - Large Format 0.7x Reducer / Coma Corrector (SCTCORR-LF) - Astronomy Plus
Save $104.85 Save $0.00
$699.00
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$699.00
$594.15
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$594.15

Starizona SCT Corrector LF - Large Format 0.7x Reducer / Coma Corrector (SCTCORR-LF)

Starizona

Starizona SCT Corrector LF 0.7x Reducer Starizona's SCT Corrector has been an incredibly popular focal reducer and coma corrector, giving astrophot...

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$699.00
$699.00 - $699.00
$699.00
$594.15
$594.15 - $594.15
$594.15
Save $104.85 Save $0.00
Starizona Modular Filter Slider - Astronomy Plus
Starizona Modular Filter Slider - Astronomy Plus
Save $42.00 Save $0.00
$209.00
$209.00 - $209.00
$209.00
$167.00
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$167.00

Starizona Modular Filter Slider

Starizona

Starizona Modular Filter Slider * HYPERSTAR USERS: If you're ordering a Modular Filter Slider for your HyperStar you will also need to purchase a F...

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$209.00
$209.00 - $209.00
$209.00
$167.00
$167.00 - $167.00
$167.00
Save $42.00 Save $0.00
Starizona Extra Filter Holder - Astronomy Plus
Starizona Extra Filter Holder - Astronomy Plus
Save $15.00 Save $0.00
$56.00
$56.00 - $56.00
$56.00
$41.00
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$41.00

Starizona Extra Filter Holder

Starizona

Starizona Extra Filter HolderThe Starizona Extra Filter Holder standard 2" mounted filters with 48mm threads. See optional adapters for step-down r...

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$56.00
$56.00 - $56.00
$56.00
$41.00
$41.00 - $41.00
$41.00
Save $15.00 Save $0.00
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{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

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Select second item to compare

Select third item to compare

Compare