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Overstock Sale

In this Overstock Sale Section, You can find really good deal!

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Askar M48 / M54 Backfocus Adjuster - Astronomy Plus
Askar M48 / M54 Backfocus Adjuster - Astronomy Plus
$174.00 - $174.00
$174.00
$174.00 - $174.00
$174.00

Askar M48 / M54 Backfocus Adjuster

Askar

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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$174.00 - $174.00
$174.00
$174.00 - $174.00
$174.00
OCAL 3.0 MAX NEW electronic collimator (EC-V3-MAX) - Astronomy Plus
OCAL 3.0 MAX NEW electronic collimator (EC-V3-MAX) - Astronomy Plus Save $15.00 Save $0.00
$385.00
$385.00 - $385.00
$385.00
$370.00
$370.00 - $370.00
$370.00

OCAL 3.0 MAX NEW Electronic Collimator (EC-V3-MAX)

OCAL

OCAL 3.0 MAX Electronic Collimator OCAL electronic collimator is an ideal and superior tool for carring out precise collimation of Newtonian reflec...

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$385.00
$385.00 - $385.00
$385.00
$370.00
$370.00 - $370.00
$370.00
Save $15.00 Save $0.00
SharpStar 61EDPH III Triplet APO Refractor (61EDPHIII) - Astronomy Plus
SharpStar 61EDPH III Triplet APO Refractor (61EDPHIII) - Astronomy Plus Save $25.00 Save $0.00
$740.00
$740.00 - $740.00
$740.00
$715.00
$715.00 - $715.00
$715.00

SharpStar 61EDPH III Triplet APO Refractor (61EDPHIII)

SharpStar

SharpStar 61EDPH III Triplet APO Refractor Telescope The new 61EDPH Ⅲ still has high-quality optical standards like before and adopts a triplet air...

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$740.00
$740.00 - $740.00
$740.00
$715.00
$715.00 - $715.00
$715.00
Save $25.00 Save $0.00
HoTech SCA Field Flattener 2" (SCA-FFT58) - Astronomy Plus
HoTech SCA Field Flattener 2" (SCA-FFT58) - Astronomy Plus Save $15.00 Save $0.00
$245.00
$245.00 - $245.00
$245.00
$230.00
$230.00 - $230.00
$230.00

HoTech SCA Field Flattener 2" (SCA-FFT58)

Hotech

HoTech SCA Field Flattener 2" High Quality Optics Designed for Refractor Telescopes The HoTech SCA Field Flattener 2" is fully multi-coated on two-...

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$245.00
$245.00 - $245.00
$245.00
$230.00
$230.00 - $230.00
$230.00
Save $15.00 Save $0.00
Farpoint Camera Filter Bahtinov Mask - Astronomy Plus
Save up to $7.00 Save $0.00
$24.00
$23.41 - $24.00
$24.00
$17.00 - $24.00
$17.00 - $24.00
$17.00

Farpoint Camera Filter Bahtinov Mask

Farpoint

Farpoint Camera Filter Bahtinov Mask  Farpoint 55mm Camera Filter Bahtinov Focus Mask is an ingenious new way to easily focus your DSLR camera, web...

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$24.00
$23.41 - $24.00
$24.00
$17.00 - $24.00
$17.00 - $24.00
$17.00
Save up to $7.00 Save $0.00
Antares Speers-Waler Series 3 31.5mm 94° (SW31.5S3) - Astronomy Plus
Save $21.00 Save $0.00
$146.00
$146.00 - $146.00
$146.00
$125.00
$125.00 - $125.00
$125.00

Antares Speers-Waler Series 3 31.5mm 94° (SW31.5S3)

Antares

Antares Speers-Waler Series3 31.5mm 90° Speers-Waler Series3 eyepieces offer a wider field of view W70 Series. The 2" Antares Speers-Waler Series3 ...

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$146.00
$146.00 - $146.00
$146.00
$125.00
$125.00 - $125.00
$125.00
Save $21.00 Save $0.00
Optolong UHC Light Pollution Filter - Astronomy Plus
Save up to $70.00 Save $0.00
$155.00
$75.00 - $255.00
$155.00
$75.00 - $255.00
$75.00 - $255.00
$75.00

Optolong UHC Light Pollution Filter

Optolong

Optolong UHC Light Pollution Filter The UHC (Ultra High Contrast) broadband filter is designed to improve the visibility of various deepsky objects...

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$155.00
$75.00 - $255.00
$155.00
$75.00 - $255.00
$75.00 - $255.00
$75.00
Save up to $70.00 Save $0.00
Celestron SkyMaster 20x80 (71018) - Astronomy Plus
Celestron SkyMaster 20x80 (71018) - Astronomy Plus
Save $30.00 Save $0.00
$265.00
$265.00 - $265.00
$265.00
$235.00
$235.00 - $235.00
$235.00

Celestron SkyMaster 20x80 (71018)

Celestron

Celestron SkyMaster 20x80 Celestron’s SkyMaster Series of large aperture binoculars are a phenomenal value for high performance binoculars ideal fo...

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$265.00
$265.00 - $265.00
$265.00
$235.00
$235.00 - $235.00
$235.00
Save $30.00 Save $0.00
Farpoint V Series 7" Universal Dovetail Plate (FVUPS7) - Astronomy Plus
Save $19.00 Save $0.00
$84.00
$84.00 - $84.00
$84.00
$65.00
$65.00 - $65.00
$65.00

Farpoint V Series 7" Universal Dovetail Plate (FVUPS7)

Farpoint

Farpoint V Series 7" Universal Dovetail Plate Safely attach telescope optical tubes and accessories with Farpoint Universal 7 Inch Dovetail Plate -...

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$84.00
$84.00 - $84.00
$84.00
$65.00
$65.00 - $65.00
$65.00
Save $19.00 Save $0.00
Celestron SkyMaster Pro 20x80 (72031) - Astronomy Plus
Celestron SkyMaster Pro 20x80 (72031) - Astronomy Plus
Save $30.00 Save $0.00
$425.00
$425.00 - $425.00
$425.00
$395.00
$395.00 - $395.00
$395.00

Celestron SkyMaster Pro 20x80 (72031)

Celestron

Celestron SkyMaster Pro 20x80 SkyMaster Pro binoculars are the ideal choice for amateur astronomers or anyone that observes at great distances. Com...

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$425.00
$425.00 - $425.00
$425.00
$395.00
$395.00 - $395.00
$395.00
Save $30.00 Save $0.00
Farpoint V Series 4" Universal Dovetail Plate (FVUPS4) - Astronomy Plus
Farpoint V Series 4" Universal Dovetail Plate (FVUPS4) - Astronomy Plus
Save $19.00 Save $0.00
$59.00
$59.00 - $59.00
$59.00
$40.00
$40.00 - $40.00
$40.00

Farpoint V Series 4" Universal Dovetail Plate (FVUPS4)

Farpoint

Farpoint V Series 4" Universal Dovetail Plate Safely attach telescope optical tubes and accessories with Farpoint Universal 4 Inch Dovetail Plate -...

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$59.00
$59.00 - $59.00
$59.00
$40.00
$40.00 - $40.00
$40.00
Save $19.00 Save $0.00
Antares W70 15mm 70° (W70-15) - Astronomy Plus
Save $8.00 Save $0.00
$58.00
$58.00 - $58.00
$58.00
$50.00
$50.00 - $50.00
$50.00

Antares W70 15mm 70° (W70-15)

Antares

Antares W70 15mm 70° The Antares W70 15mm 70° does not have negative achromat compensation, and is recommended only for telescopes with a high f/ra...

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$58.00
$58.00 - $58.00
$58.00
$50.00
$50.00 - $50.00
$50.00
Save $8.00 Save $0.00
William Optics Flattener FLAT68III (P-FLAT68III) - Astronomy Plus
William Optics Flattener FLAT68III (P-FLAT68III) - Astronomy Plus
Save $151.00 Save $0.00
$886.00
$886.00 - $886.00
$886.00
$735.00
$735.00 - $735.00
$735.00

William Optics Flattener FLAT68III (P-FLAT68III)

William Optics

William Optics Flattener FLAT68III The William Optics Flattener 68III was made for 6 -7.5 F ratio refractors. This high-quality flattener has been ...

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$886.00
$886.00 - $886.00
$886.00
$735.00
$735.00 - $735.00
$735.00
Save $151.00 Save $0.00
Celestron AstroMaster 90AZ Telescope (21063) - Astronomy Plus
Celestron AstroMaster 90AZ Telescope (21063) - Astronomy Plus
Save $175.00 Save $0.00
$425.00
$425.00 - $425.00
$425.00
$250.00
$250.00 - $250.00
$250.00

Celestron AstroMaster 90AZ Telescope (21063)

Celestron

Celestron AstroMaster 90AZ Discover our Solar System with the Celestron AstroMaster 90AZ! You’ll be ready to observe in minutes thanks to the quick...

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$425.00
$425.00 - $425.00
$425.00
$250.00
$250.00 - $250.00
$250.00
Save $175.00 Save $0.00
Baader 6.5nm Narrowband Filters – CMOS-optimized (H-alpha, O-III, S-11) - Astronomy Plus
Save up to $76.00 Save $0.00
$1,046.00
$216.00 - $1,582.00
$1,046.00
$216.00 - $1,582.00
$216.00 - $1,582.00
$216.00

Baader 6.5nm Narrowband Filters – CMOS-optimized (H-alpha, O-III, SII)

Baader Planetarium

Baader 6.5nm Narrowband Filters – CMOS-optimized (H-alpha, OIII, SII) Baader H-alpha / O-III / S-II Narrowband Filter Set - Precision Grade 6.5 nm...

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$1,046.00
$216.00 - $1,582.00
$1,046.00
$216.00 - $1,582.00
$216.00 - $1,582.00
$216.00
Save up to $76.00 Save $0.00
HoTech HyperStar Laser Collimator - Astronomy Plus
$0.00 - $765.00
$0.00
$725.00 - $765.00
$725.00 - $765.00
$725.00

HoTech HyperStar Laser Collimator

Hotech

HoTech HyperStar Laser Collimator This patented HoTech HyperStar Laser Collimator elevates the HyperStar collimation into a new dimension. Accurate...

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$0.00 - $765.00
$0.00
$725.00 - $765.00
$725.00 - $765.00
$725.00
Celestron NexStar 90SLT Computerized Telescope (22087) - Astronomy Plus
Celestron NexStar 90SLT Computerized Telescope (22087) - Astronomy Plus
Save $128.13 Save $0.00
$718.13
$718.13 - $718.13
$718.13
$590.00
$590.00 - $590.00
$590.00

Celestron NexStar 90SLT Computerized Telescope (22087)

Celestron

Celestron NexStar 90SLT Computerized Telescope Celestron’s innovative NexStar Star Location Telescope (SLT) has been a customer favorite for years ...

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$718.13
$718.13 - $718.13
$718.13
$590.00
$590.00 - $590.00
$590.00
Save $128.13 Save $0.00
William Optics Pleiades 68 APO F/3.8 WIFD (T-P-68BU) - Astronomy Plus
William Optics Pleiades 68 APO F/3.8 WIFD (T-P-68BU) - Astronomy Plus
$0.00 - $0.00
$0.00
$2,697.00
$2,697.00 - $2,697.00
$2,697.00

William Optics Pleiades 68 APO F/3.8 WIFD (T-P-68BU)

William Optics

William Optics Pleiades 68 APO F/3.8 WIFD Pleiades 68, 7-element imaging APO, F/3.8 WIFD. Comes with soft carry bag, dovetail, handle bar, M48 and ...

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$0.00 - $0.00
$0.00
$2,697.00
$2,697.00 - $2,697.00
$2,697.00
William Optics Pleiades 111 APO F/4.8 WIFD (T-P-111BU) - Astronomy Plus
Save $177.00 Save $0.00
$5,127.00
$5,127.00 - $5,127.00
$5,127.00
$4,950.00
$4,950.00 - $4,950.00
$4,950.00

William Optics Pleiades 111 APO F/4.8 WIFD (T-P-111BU)

William Optics

William Optics Pleiades 111 APO F/4.8 WIFD Pleiades 111, 7-element imaging APO, F/4.8 WIDF. Comes with soft carry bag, dovetail, handle bar, M48 an...

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$5,127.00
$5,127.00 - $5,127.00
$5,127.00
$4,950.00
$4,950.00 - $4,950.00
$4,950.00
Save $177.00 Save $0.00
Farpoint D Series Quick Mount Adapter (FDA) - Astronomy Plus
Farpoint D Series Quick Mount Adapter (FDA) - Astronomy Plus
Save $20.00 Save $0.00
$65.00
$65.00 - $65.00
$65.00
$45.00
$45.00 - $45.00
$45.00

Farpoint D Series Quick Mount Adapter (FDA)

Farpoint

Farpoint D Series Quick Mount Adapter The Farpoint D Series Quick Mount Adapter provides a quick release mount for dovetail bar telescope accessori...

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$65.00
$65.00 - $65.00
$65.00
$45.00
$45.00 - $45.00
$45.00
Save $20.00 Save $0.00
Farpoint D Series 7" Universal Dovetail Plate (FDUPS) - Astronomy Plus
Save $36.00 Save $0.00
$106.00
$106.00 - $106.00
$106.00
$70.00
$70.00 - $70.00
$70.00

Farpoint D Series 7" Universal Dovetail Plate (FDUPS)

Farpoint

Farpoint D Series 7" Universal Dovetail Plate Safely attach telescope optical tubes and accessories with Farpoint 7 Inch Universal Dovetail Plate.M...

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$106.00
$106.00 - $106.00
$106.00
$70.00
$70.00 - $70.00
$70.00
Save $36.00 Save $0.00
Save $26.00 Save $0.00
$206.00
$206.00 - $206.00
$206.00
$180.00
$180.00 - $180.00
$180.00

Tele Vue Plössl 40mm - OPEN BOX (EPL-40.0-OPEN)

Tele Vue

Tele Vue Plössl 40mm - OPEN BOX The Tele Vue Plössl 40mm has a long eye-relief 40mm focal length with a 43° apparent field. Like the 55mm, its foc...

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$206.00
$206.00 - $206.00
$206.00
$180.00
$180.00 - $180.00
$180.00
Save $26.00 Save $0.00
Antares W70 31mm 72° (W70-31) - Astronomy Plus
Save $10.00 Save $0.00
$85.00
$85.00 - $85.00
$85.00
$75.00
$75.00 - $75.00
$75.00

Antares W70 31mm 72° (W70-31)

Antares

Antares W70 31mm 72° The 2" Antares W70 31mm 72°  gives you a big view of the sky at a low price. The 6-element fully multicoated design features 7...

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$85.00
$85.00 - $85.00
$85.00
$75.00
$75.00 - $75.00
$75.00
Save $10.00 Save $0.00
Optolong L-Pro Filter - Astronomy Plus
Optolong L-Pro Filter - Astronomy Plus
Save $203.00 Save $0.00
$363.00
$363.00 - $363.00
$363.00
$160.00
$160.00 - $160.00
$160.00

Optolong L-Pro Filter Clip for Canon EOS Full-Frame

Optolong

Optolong L-Pro Filter Clip for Canon EOS Full-Frame The Optolong L-Pro Filter is designed to improve the visibility of various deepsky objects. By ...

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$363.00
$363.00 - $363.00
$363.00
$160.00
$160.00 - $160.00
$160.00
Save $203.00 Save $0.00
IDAS LPS-C1 M48 Filter - Astronomy Plus
IDAS LPS-C1 M48 Filter - Astronomy Plus
Save $105.00 Save $0.00
$255.00
$255.00 - $255.00
$255.00
$150.00
$150.00 - $150.00
$150.00

Sightron Light Pollution LPS-C1 Filter 2" (M48)

IDAS

Sightron LPS-C1 M48 Filter (2") (LPS) Light Pollution Suppression Filter Effectively suppressing white LED sky glow Maintains the good color bal...

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$255.00
$255.00 - $255.00
$255.00
$150.00
$150.00 - $150.00
$150.00
Save $105.00 Save $0.00
Sold out
$47.00
$47.00 - $47.00
$47.00
$15.00
$15.00 - $15.00
$15.00

ZWO Filter Holder for OLD Filter Drawer M54 (F-HLDR-M54)

ZWO

ZWO Filter Holder for OLD Filter Drawer M54 This filter Holder only suit Older (first Gen) M54 Drawer.

$47.00
$47.00 - $47.00
$47.00
$15.00
$15.00 - $15.00
$15.00
Sold out
ZWO Filter holder for EOS/Nikon filter drawer (F-HLDR-DSLR) - Astronomy Plus
ZWO Filter holder for EOS/Nikon filter drawer (F-HLDR-DSLR) - Astronomy Plus
Save $10.00 Save $0.00
$47.00
$47.00 - $47.00
$47.00
$37.00
$37.00 - $37.00
$37.00

ZWO Filter holder for EOS/Nikon filter drawer (F-HLDR-DSLR)

ZWO

ZWO Filter holder for EOS/Nikon filter drawer The spare filter holder for EOS filter drawer and Nikon filter drawer. It can carry all 2”mounted fil...

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$47.00
$47.00 - $47.00
$47.00
$37.00
$37.00 - $37.00
$37.00
Save $10.00 Save $0.00
Astrozap Aluminum Dew Shields - 11" SCT Celestron With Upper and Lower Dovetail Notches (AZ-256) - Astronomy Plus
Save $90.00 Save $0.00
$315.00
$315.00 - $315.00
$315.00
$225.00
$225.00 - $225.00
$225.00

Astrozap Aluminum Dew Shields - 11" SCT Celestron With Upper and Lower Dovetail Notches (AZ-256)

Astrozap

Astrozap Aluminum Dew Shields - 11" SCT Celestron The AZ-256 aluminum dew shield fits the Celestron 11 SCT with upper and lower dovetails includin...

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$315.00
$315.00 - $315.00
$315.00
$225.00
$225.00 - $225.00
$225.00
Save $90.00 Save $0.00
Starfield ED80 F/7 560mm APO Doublet Refractor (S80) - Astronomy Plus
Save $280.00 Save $0.00
$1,280.00
$1,280.00 - $1,280.00
$1,280.00
$1,000.00
$1,000.00 - $1,000.00
$1,000.00

Starfield ED80 F/7 560mm APO Doublet Refractor (S80)

Starfield

Starfield ED80 F/7 560mm APO Doublet Refractor  The All new Starfield Optics ED80 APO doublet telescope package packs a punch!This telescop...

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$1,280.00
$1,280.00 - $1,280.00
$1,280.00
$1,000.00
$1,000.00 - $1,000.00
$1,000.00
Save $280.00 Save $0.00
Optolong CLS-CCD(City Light Suppression) Broadband Filter - Astronomy Plus
$128.00 - $215.00
$128.00 - $215.00
$128.00 - $215.00
$128.00

Optolong CLS-CCD(City Light Suppression) Broadband Filter

Optolong

Optolong CLS CCD (City Light Suppression) Broadband Filter The CLS (City Light Suppression) broadband filter is designed to improve the visibility ...

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$128.00 - $215.00
$128.00 - $215.00
$128.00 - $215.00
$128.00
Optolong Improved OIII 6.5nm Narrowband Filter - Astronomy Plus
$215.00 - $309.00
$215.00 - $309.00
$215.00 - $309.00
$215.00

Optolong Improved OIII 6.5nm Narrowband Filter

Optolong

Optolong Improved OIII 6.5nm Narrowband Filter Optolong improved extra Narrowband OIII-CCD 6.5nm filter is designed for nebula observation allowing...

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$215.00 - $309.00
$215.00 - $309.00
$215.00 - $309.00
$215.00
Meade Series 5000 UHD Eyepiece 1.25" - Astronomy Plus
Meade Series 5000 UHD Eyepiece 1.25" - Astronomy Plus
Save up to $50.00 Save $0.00
$175.00 - $405.00
$175.00 - $405.00
$175.00
$125.00 - $364.00
$125.00 - $364.00
$125.00

Meade Series 5000 UHD Eyepiece 1.25"

Meade

Meade Series 5000 UHD Eyepiece 1.25"  Meade has designed the Ultra-High Definition (UHD) waterproof eyepiece to provide sharp and beautiful views d...

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$175.00 - $405.00
$175.00 - $405.00
$175.00
$125.00 - $364.00
$125.00 - $364.00
$125.00
Save up to $50.00 Save $0.00
$4,055.00 - $4,589.00
$4,055.00 - $4,589.00
$4,055.00 - $4,589.00
$4,055.00

Pegasus NYX-101 Harmonic Gear Mount (NYX-101)

Pegasus

Pegasus NYX-101 Harmonic Gear Mount Nyx, the ancient Greek goddess of the night, enlightened us to design and produce a high-performing, high paylo...

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$4,055.00 - $4,589.00
$4,055.00 - $4,589.00
$4,055.00 - $4,589.00
$4,055.00
Pegasus Astro Dual Motor Focus Controller (DMFC) - Astronomy Plus
Pegasus Astro Dual Motor Focus Controller (DMFC) - Astronomy Plus
Save $66.00 Save $0.00
$291.00
$291.00 - $291.00
$291.00
$225.00
$225.00 - $225.00
$225.00

Pegasus Astro Dual Motor Focus Controller (DMFC)

Pegasus

Pegasus Astro Dual Motor Focus Controller * Power cable is optional. PEG-PSU-21 or CIGLIGHT-ADAPTER21 must be bought separately. The Pegasus Astro ...

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$291.00
$291.00 - $291.00
$291.00
$225.00
$225.00 - $225.00
$225.00
Save $66.00 Save $0.00
Farpoint Vixen to Losmandy Dovetail Saddle with Spacer Pucks (FVS2D) - Astronomy Plus
Farpoint Vixen to Losmandy Dovetail Saddle with Spacer Pucks (FVS2D) - Astronomy Plus
Save $90.00 Save $0.00
$265.00
$265.00 - $265.00
$265.00
$175.00
$175.00 - $175.00
$175.00

Farpoint Vixen to Losmandy Dovetail Saddle with Spacer Pucks (FVS2D)

Farpoint

Farpoint Vixen to Losmandy Dovetail Saddle with Spacer Pucks  Safely attach telescope optical tubes with Farpoint Vixen to Losmandy Dovetail Saddle...

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$265.00
$265.00 - $265.00
$265.00
$175.00
$175.00 - $175.00
$175.00
Save $90.00 Save $0.00
Farpoint V Series Dovetail Plate with Armored Strip for Celestron C8 (FVC8-AS) - Astronomy Plus
Farpoint V Series Dovetail Plate with Armored Strip for Celestron C8 (FVC8-AS) - Astronomy Plus
Save $34.00 Save $0.00
$154.00
$154.00 - $154.00
$154.00
$120.00
$120.00 - $120.00
$120.00

Farpoint V Series Dovetail Plate with Armored Strip for Celestron C8 (FVC8-AS)

Farpoint

Farpoint V Series Dovetail Plate w/ Armored Strip for Celestron C8 Safely attach telescope optical tubes and accessories with Farpoint V Series Dov...

View full details
$154.00
$154.00 - $154.00
$154.00
$120.00
$120.00 - $120.00
$120.00
Save $34.00 Save $0.00
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