Clearance on Telescopes & Astronomy

73 results

Save 5% Every Day† with the Adorama Edge Card. Learn More

edge card
Shop Used  (79)
Categories:All CategoriesOptics & Binoculars
Telescopes & Astronomy
Filters:
Brand
Price Range
Ratings & Reviews
Filter By
In Store Pick Up
Discount
Type
Aperture
Magnification
Objective Diameter
Eyepiece Focal Length
Size
Filter Type
Mount Type
Eyepiece Diameter
Series
Eyepiece Type
Kit Style
Tele Vue NP101is 4" f/5.4 4-El Picture

Tele Vue NP101is 4" f/5.4 4-Element APO Refractor Telescope, Ivory

SKU: TVNP101ISMFR: NPI-4057
(1)
  • Tele Vue APO Refractor: 4" aperture for bright views.
  • Enjoy superior optical quality with this telescope.
  • Portable telescope: Ideal for astronomy on the go.
  • Stable mount ensures clear, steady observations.
  • Easy to use: Perfect telescope for all experience levels.
FREE 2-Day Shipping

Includes Free

$78.95Value:

Celestron EclipSmart 10x42 Solar BinocularCelestron EclipSmart 10x42 Solar Binocular
Save $1,281
$4,267.00
$5,548.00
Save: $1,281.00 (23%)
+ wishlist
Ways to Save

Includes Free

$78.95Value:

Celestron EclipSmart 10x42 Solar BinocularCelestron EclipSmart 10x42 Solar Binocular
Explore Scientific ED80 80mm f Picture

Explore Scientific ED80 80mm f/6 Essential Triplet Apo Refractor Telescope

SKU: ESED862MFR: ES-ED0806-02
(2)
  • 80mm Aperture Telescope: Bright, high-resolution views.
  • Triplet Apochromat Refractor: Superior optical quality.
  • Explore Scientific Telescope: Enhanced clarity & detail.
  • f/6 Focal Ratio: Excellent for wide-field astronomy.
  • Dual-Speed Focuser: Precise focus for clear images.
Free Shipping
Coleman Astrowatch 500x114 Ref Picture

Coleman Astrowatch 500x114 Reflector Telescope

SKU: COCDB1145EQ1MFR: CDB1145EQ1
(1)
  • Large 114mm aperture gathers ample light for bright views.
  • 500x magnification power reveals stunning celestial details.
  • Reflector telescope design ensures high optical quality.
  • Stable mount provides smooth tracking for astronomy.
  • Easy to use, ideal telescope for beginners & experts.
FREE 2-Day Shipping
Sky-Watcher Flextube 8" 200P S Picture

Sky-Watcher Flextube 8" 200P Synscan GOTO Collapsible Dobsonian

SKU: SKWS11800NMFR: S11800
(4)
  • 8" Aperture Dobsonian Telescope: Gather more light.
  • SynScan GoTo System: Locate 42,900 celestial objects.
  • Collapsible Tube Design: Easy telescope portability.
  • 2" Crayford Focuser: Achieve precise focus control.
  • High Magnification Power: Up to 406x for detailed views.
FREE 2-Day Shipping
Celestron CGEM II Computerized Picture

Celestron CGEM II Equatorial Mount with Tripod

SKU: CNCGEM2NMFR: 91523
(7)
  • German Equatorial Mount ensures telescope stability.
  • 40 lb payload capacity for larger telescope setups.
  • Computerized mount with 40,000+ object database.
  • Adjustable tripod with graduated markings included.
  • Precise tracking with sidereal, solar, lunar rates.
FREE 2-Day Shipping
+ wishlist
Ways to Save
Celestron Astro FI 130mm Newto Picture

Celestron Astro FI 130mm Newtonian Reflector Telescope

SKU: CNWF130MFR: 22203
(6)
  • Large 130mm aperture gathers ample light for bright views.
  • Achieve 307x magnification for detailed celestial viewing.
  • Smartphone control via WiFi for easy telescope navigation.
  • Aluminum tripod ensures stable astronomy telescope viewing.
  • Explore 120,000+ celestial objects with database access.
FREE 2-Day Shipping
Celestron Advanced VX 6" Refra Picture

Celestron Advanced VX 6" Refractor Telescope w/Accessory Kit

SKU: CNAVX6RKMFR: 22020 K
(59)
  • Large 6" Aperture Telescope: Gather more light.
  • Advanced VX Mount: Stable for clear Astronomy views.
  • Computerized Telescope: Easy object location, GOTO.
  • Refractor Telescope: Excellent high magnification views.
  • Premium Optics: Provides bright, sharp Telescope images.
FREE 2-Day Shipping
Explore Scientific 92deg Serie Picture

Explore Scientific 92deg Argon-Purged 12mm Long Eye Relief Waterproof Eyepiece

SKU: ESEPWP921201MFR: EPWP9212-01
  • 12mm eyepiece provides powerful magnification.
  • 92° apparent field of view for immersive views.
  • Long 19.92mm eye relief ensures viewing comfort.
  • 2" barrel size fits standard telescope focusers.
  • Waterproof eyepiece protects against moisture.
FREE 2-Day Shipping
Baader Planetarium AstroSolar  Picture

Baader Planetarium AstroSolar Safety Film Visual, 7.9x11.4" (20x29cm)

SKU: AA2459281MFR: ASOLV-S
(38)
  • AstroSolar Safety Film: Premium solar filter.
  • Observe sunspots safely with Baader Planetarium film.
  • 7.9x11.4" AstroSolar film for telescope & binoculars.
  • 5.0 Optical Density: Optimal solar viewing clarity.
  • Capture detailed solar images with precision film.
Save $15
$29.00
$44.00
Save: $15.00 (34%)
+ wishlist
Ways to Save
Celestron Advanced VX 6" Refra Picture

Celestron Advanced VX 6" Refractor Telescope w/Deluxe Accessory Kit

SKU: CNAVX6RK1MFR: 22020 K1
(59)
  • Large 6" aperture telescope gathers ample light.
  • Advanced VX mount ensures peak telescope stability.
  • Computerized GoTo system for easy object location.
  • Premium Plossl eyepieces enhance optical quality.
  • Achieve 354x magnification power for detailed views.
FREE 2-Day Shipping
Celestron 1.25" Eyepiece Filte Picture

Celestron 1.25" Eyepiece Filter Set, (Orange, Light Blue, Deep Yellow, ND96 0.3)

SKU: CNFS1MFR: 94119-10
(3)
  • Enhance image contrast with premium telescope filters.
  • Includes four 1.25" eyepiece filters for telescopes.
  • Reduce light pollution for clearer celestial views.
  • Features durable build for long-lasting astronomy use.
  • Optimized 50% transmission ND96 neutral density filter.
Save $24
$31.05
$54.95
Save: $23.90 (43%)
+ wishlist
Ways to Save
Sky-Watcher Skymax 102 Maksuto Picture

Sky-Watcher Skymax 102 Maksutov-Cassegrain Telescope

SKU: SKWS11510NMFR: S11510
(6)
  • 102mm Aperture Telescope: Gather more light for bright views.
  • Maksutov Design: Portable telescope with excellent optics.
  • Fully Multi-Coated: Maximize light transmission for clarity.
  • Red Dot Finder: Quickly locate celestial objects easily.
  • 25/10mm Eyepieces: Versatile magnification for astronomy.
FREE 2-Day Shipping
Farpoint FP-330 Molecular Siev Picture

Farpoint FP-330 Molecular Sieve Refills - 10 packs

SKU: FARFP330MFR: FP330
  • Farpoint Molecular Sieve Refills: 10-Pack Value.
  • Optimal desiccant for SBIG replacement plugs.
  • Enhance telescope optics with superior drying.
  • Maintain optical quality with moisture control.
  • Extend equipment lifespan with these refills.
Save $2
$7.77
$10.00
Save: $2.23 (22%)
+ wishlist
Ways to Save
Breakthrough Photography Autum Picture

Breakthrough Photography Autumn & Night Sky Filter

SKU: BTNIGHTS
(3)
  • Superior light pollution reduction for astrophotography.
  • Nanotec & MRC16 coating ensures filter quality optics.
  • Durable build, weather-sealed for lasting performance.
  • Autumn & Night Sky Filter enhances celestial views.
  • Maximize transmission rate for brighter images.
Free Shipping
Save $80
Starting at
$89.00
$169.00
Save: $80.00 (47%)
+ wishlist
Celestron EclipSmart Solar Fil Picture

Celestron EclipSmart Solar Filter for Celestron 8" Schmidt-Cassegrain Telescopes

SKU: CNECSSF8MFR: 94244
(52)
  • Ensure safe solar viewing with this telescope filter.
  • Premium Mylar filter material for optimal light blocking.
  • Enhance image contrast during solar observations.
  • Fits Celestron 8" Schmidt-Cassegrain telescopes.
  • 235 mm external diameter for secure telescope fit.
FREE 2-Day Shipping
Save $28
$69.95
$97.95
Save: $28.00 (29%)
+ wishlist
Ways to Save
Baader Planetarium 31mm Round  Picture

Baader Planetarium 31mm Round f/2 High-speed Imaging H-alpha/OIII/SII Filter Set

SKU: AAFHSSRD31MFR: FHSS-RD31
  • Baader 31mm narrowband filters for deep sky views.
  • H-alpha/OIII/SII filters enhance nebula imaging.
  • Optimized transmission for f/2 high-speed telescopes.
  • Durable, high-quality filters with specialized coatings.
  • Precisely control light pollution with narrowband tech.
Free Shipping
Barska 30x80 X-Trail, Weather  Picture

Barska 30 x 80 X-Trail Porro Prism Binocular

SKU: BA3080XMFR: AB10768
(1)
  • High-powered 30x astronomy binoculars for viewing.
  • Large 80mm objective lens gathers ample light.
  • Multi-coated lens provides brighter, clear images.
  • Features a wide 2.12° field of view for landscapes.
  • 10mm eye relief ensures comfortable, extended use.
Save $60
$123.99
$183.99
Save: $60.00 (33%)
+ wishlist
Ways to Save
Carson 15-37.5x 76mm Newtonion Picture

Carson 15-37.5 Newtonion Skyseeker Telescope

SKU: CSJC200MFR: JC-200
  • 76mm aperture telescope gathers ample light for viewing.
  • Achieve 15x-37.5x magnification for detailed observations.
  • Newtonian reflector telescope provides clear images.
  • Dobsonian mount ensures stable astronomical viewing.
  • Lightweight telescope design enhances portability.
Free Shipping
Save $40
$49.99
$89.99
Save: $40.00 (44%)
+ wishlist
Ways to Save
Celestron Light Pollution Imag Picture

Celestron Light Pollution Imaging Filter f/Rowe-Ackermann Schmidt Astrograph 8"

SKU: CNLPIFR8MFR: 93614
  • Enhance astrophotography with light pollution filter.
  • Premium Schott B270 glass ensures optimal optical quality.
  • Multi-layer coatings provide superior blocking performance.
  • Durable, anodized aluminum housing for lasting use.
  • 203.2mm filter size fits Rowe-Ackermann Schmidt Astrograph.
FREE 2-Day Shipping
Explore Scientific Finderscope Picture

Explore Scientific Finderscope Base with Screws

SKU: ESFNDRBASEBMFR: FNDRBASEBLK
  • Secure finderscope base for Explore Scientific telescopes.
  • Enhance telescope accuracy with stable finderscope mount.
  • Durable telescope accessory: weight 7oz, size 50x25mm.
  • Easy finderscope installation with included screws.
  • Optimize optical alignment with this sturdy base.
Free Shipping
Save $9
$41.19
$49.99
Save: $8.80 (18%)
+ wishlist
Ways to Save
Tele Vue Dioptrx Astigmatism C Picture

Tele Vue Dioptrx Astigmatism Correcting Lens - 3.50

SKU: TVDRX350MFR: DRX-0350
  • Correct astigmatism with Tele Vue Dioptrx lens.
  • Achieve sharper views with eyepiece accessories.
  • Enhance optical quality with +/- 3.50 correction.
  • Optimize telescope performance with Dioptrx lens.
  • Tele Vue Dioptrx: Precision astigmatism control.
Free Shipping
Save $43
$94.88
$138.00
Save: $43.12 (31%)
+ wishlist
Ways to Save
Celestron EclipSmart Universal Picture

Celestron EclipSmart Universal Solar Filter for Optics 75 to 100mm

SKU: CNECSSUMFR: 44428
(52)
  • Observe the sun safely with this Celestron solar filter.
  • Premium light pollution reduction for clearer views.
  • Durable material ensures long-lasting filter quality.
  • Enhance contrast for detailed solar observations now.
  • Fits optics 75-100mm; check telescope compatibility.
Save $7
$21.95
$28.95
Save: $7.00 (24%)
+ wishlist
Ways to Save
Celestron StarSense to Sky-Wat Picture

Celestron StarSense to Sky-Watcher Mount Interface Box

SKU: CNSSSWMFR: 94006
(9)
  • Control Sky-Watcher mount with Celestron StarSense.
  • StarSense camera ensures precise telescope alignment.
  • Compatible with HEQ5, EQ6, AZ-EQ5, AZ-EQ6, EQ8 mounts.
  • Includes StarSense hand control for easy navigation.
  • Enhance your telescope with this motor drive controller.
FREE 2-Day Shipping
Explore Scientific 1.25" Neutr Picture

Explore Scientific 1.25" Neutral Density 0.9 Filter

SKU: ES310245MFR: 310245
  • Enhance views with ND 0.9 filter, 13% transmittance.
  • 1.25" filter size ensures compatibility with telescopes.
  • Neutral Density filter reduces glare, improves contrast.
  • Premium filter quality for optimal light reduction.
  • Durable material ensures long-lasting filter performance.
Free Shipping
Save $28
$21.53
$49.99
Save: $28.46 (57%)
+ wishlist
Ways to Save
Tele Vue Dioptrx Astigmatism C Picture

Tele Vue Dioptrx Astigmatism Correcting Lens - 3.00

SKU: TVDRX300MFR: DRX-0300
(1)
  • Correct astigmatism with Tele Vue Dioptrx lens.
  • Achieve sharper views with this -3.00 correcting lens.
  • Optimize eyepiece performance for clearer images.
  • Enhance image clarity with Tele Vue telescope parts.
  • Precision optics for superior viewing quality.
Save $43
$94.64
$138.00
Save: $43.36 (31%)
+ wishlist
Ways to Save
Pageof 3
Per Page
25