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  • ZWO Astronomy Cameras ZWO 850nm IR Pass Filter - 1.25" - IR850NM1
    $22.00
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  • LOS-GM-8-G
    Losmandy Losmandy GM-8 Equatorial Mount with LW Tripod - GM8S
    $1,695.00
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  • Celestron Celestron StarSense Auto Telescope Alignment Accessory - 94005
    $359.95
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    free shipping
  • Celestron Celestron NexStar 8SE Schmidt-Cassegrain Computerized Telescope - 11069
    $1,199.00
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    free shipping
  • Baader Mark IV Hyperion Zoom Eyepiece - Shows Adjustable Eyecup
    Baader Planetarium Baader Hyperion 8-24 mm Click Stop Zoom Mark IV 1.25"/2" Eyepiece - HYP-ZOOM
    $289.00
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    free shipping
  • Atik Cameras Atik 460EX Monochrome CCD Camera W/ Sony ICX694 Sensor - ATK0100
    $2,475.00
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    free shipping
  • High Point High Point 2" Dielectric Mirror Diagonal - HPS-D2
    $109.95 $98.95
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  • Celestron Celestron Advanced VX Equatorial Mount - 91519
    $899.00
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    free shipping
  • Coronado PST - Personal Solar Telescope
    Coronado Coronado PST Personal Solar Telescope <1.0 Angstrom H-Alpha Refractor - PST
    $699.00
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    free shipping
  • Explore Scientific Explore Scientific 9 mm 120° Eyepiece - 2" - EPWP12009-01
    $799.99
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    free shipping
  • Baader 2
    Baader Planetarium Baader UHC-S Nebula Filter - L Booster - FUHC-2
    $147.00
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  • Celestron Celestron PowerSeeker 127 EQ Reflecting Telescope - 21049
    $169.95 $148.00
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  • Celestron Celestron Omni XLT 102 Refractor Equatorial Telescope - 21088
    $509.95 $436.99
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    free shipping
  • High Point High Point Wide Angle Eyepiece Kit with 2" Diagonal - WAEPKIT2
    $249.95 $224.95
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  • Celestron NexStar 130 SLT Computerized Telescope - 31145
    Celestron Celestron NexStar 130 SLT Computerized Telescope - 31145
    $499.95 $378.95
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  • ADM CGEM Super Knob Upgrade Kit - Orange Anodized
    ADM ADM Accessories CGEM Super Upgrade Kit - Orange Anodized - CGEM-OR-S
    $230.00
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  • Baader Planetarium Semi APO Filter - 2
    Baader Planetarium Baader Planetarium 2" Semi-APO Filter - FSAPO-2
    $147.00
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  • Celestron Celestron 2.5X Luminos Barlow Lens - 2" - 93436
    $124.95 $114.95
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  • Celestron Celestron NexStar 8SE SCT OTA - Orange Tube - 11069-OTA
    $849.95 $679.95
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  • ADM 18
    ADM ADM Accessories D Series Dovetail Plate for Celestron 9.25" SCT OTA - DC925
    $100.00
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  • ADM Accessories D Series Adjustable Guidescope Rings - 100 mm
    ADM ADM 100 mm D Series Adjustable Rings For Guildscopes and Finderscopes - DR100
    $120.00
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  • ADM D Series Universal Dovetail Plate - 7
    ADM ADM Universal Dovetail Plate for Losmandy D Style Mounts - 7" Long - DUP7
    $65.00
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  • ADM Accessories Universal Mini Dovetail Bar - 7
    ADM ADM MDS Series 7" Universal Mini Dovetail Bar - MDS-U7
    $70.00
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  • ADM Accessories V Series to D Series Converter
    ADM ADM V2D Vixen Saddle to Losmandy Saddle Converter - V2D
    $120.00
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  • ADM Accessories Vixen Style Universal Dovetail Bar - 11
    ADM ADM Accessories Vixen Style Universal Dovetail Plate - 11" Long - VDUP11
    $55.00
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  • ADM Vixen Series 14
    ADM ADM Accessories Vixen Style Universal Dovetail Plate - 14" Long VDUP14
    $60.00
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  • ADM 3
    ADM ADM Accessories Vixen Style Universal Dovetail Plate - 3" Long VDUP3
    $35.00
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  • ADM Accessories V Series 7
    ADM ADM V Series Male to Male Dovetail Adapter - 7" - VMM7
    $55.00
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  • ADM Accessories V Series 125 mm Guidescope Rings
    ADM ADM V Series 125mm Guide Scope Ring Set - VR125
    $110.00
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  • ADM Accessories V Style Guidescope Ring Set - 90 mm
    ADM ADM V Series 90mm Guide Scope Ring Set - VR90
    $110.00
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  • Astro Systems Astro Systems 1.25" Autocollimator - AUTOCOL
    $49.00
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  • Astro Systems Astro Systems Secondary Dew Guard For 1.3" to 2.14" Secondary Mirrors - DG1
    $40.00
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  • Astro Systems Astro Systems Secondary Dew Guard 2.6" to 3.1" Secondary Mirrors - DG2
    $45.00
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  • Astro Systems Astro Systems Secondary Dew Guard 3.5" to 6.0" Secondary Mirrors - DG3
    $50.00
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  • Astro Systems Astro Systems Lite Pipe / Site Tube Combo - 1.25" - LPST
    $49.00
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  • Astro Systems Astro Systems 2" to 1.25" Standard Eyepiece Adapter - SEA
    $29.00
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  • Astro Systems Astro Systems 2" to 1.25" Ultra-Low Eyepiece Adapter - ULA
    $27.00
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  • Atik Cameras ATIK ST4 Compatible Autoguider Cable (2 m) - ATK0027
    $5.00
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  • Atik Cameras Atik 4000 Monochrome Large Format CCD Camera with Kodak KAI-04022 Sensor - ATK0043
    $3,795.00
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    free shipping
  • Atik Cameras Atik 11000 Monochrome Large Format CCD Camera - ATK0046
    $4,795.00
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High Point Scientific carries the most popular telescope brands among astronomy enthusiasts, including Celestron, Baader Planetarium, Orion, and many more. We also design our own astronomy products under the High Point brand, to give you the best selection of products at the price you’re looking for.


We work directly with manufacturers to give you a wide selection of products from many other brands like Meade, TeleVue, Explore Scientific, Coronado, and iOptron. While we have dedicated many hours researching what telescope brands you - our customers - are looking for, we encourage you to explore up and coming brands on our website such as William Optics, Pentax, SkyWatcher, and Stellarvue.


High Point Scientific offers many of the latest brands to choose from for telescope accessories. Just a few of these brands include AstroZap, ADM Accessories, Losmandy, Takahashi, and JMI. It’s important to make sure you have the correct accessories for your aspirations and budget and our experts are here to make sure you find them.


Astro-imaging is a growing industry, not just for photographers, but for astronomy hobbyists as well. With so many quality, affordable products, it’s easy to see why! Brands like QSI, ZWO, and QHY have designed some of the best astrophotography cameras in the industry, and we have them right here at High Point!

Shop By Category
Category
  1. ADM Accessories
  2. Apertura
  3. Astronomik Filters
  4. Astro Systems
  5. Astrodon
  6. Astrozap
  7. ATIK Cameras
  8. Baader Planetarium
  9. Bobs Knobs
  10. Celestron
  11. Coronado
  12. DayStar Filters
  13. Dew Not
  14. Explore Scientific
  15. Farpoint Astro
  16. GSO
  17. High Point
  18. Hotech
  19. iOptron
  20. IP4AP
  21. JMI
  22. Kendrick
  23. Ken Press
  24. Konus
  25. Losmandy
  26. Lumicon
  27. Lunt Solar
  28. Meade
  29. Moonraker Telescopes
  30. Optec
  31. Optolong
  32. Orion
  33. Pacific Case
  34. Parallax Instruments
  35. Pentax
  36. Phoenix
  37. QHY
  38. QSI Imaging
  39. Revolution
  40. Rigel Systems
  41. Roll-A-Table
  42. Scopetronix
  43. Sky Engineering
  44. Sky Spot
  45. SkyWatcher
  46. Simulation Curriculum
  47. Sirius Technologies
  48. Software Bisque
  49. Spectrum Telescope
  50. Star Bound
  51. Star Dust Covers
  52. Starizona
  53. Starlight Instruments
  54. Starlight Xpress
  55. Stellarvue
  56. Takahashi
  57. Tasco
  58. Tele Vue
  59. TeleGizmos
  60. Telrad
  61. Thousand Oaks Optical
  62. Vanguard
  63. Vortex
  64. William Optics
  65. Zhumell
  66. ZWO Astronomy Cameras
Filter Wheel - Number of Positions
  1. Five (5)
  2. Six (6)
  3. Seven (7)
  4. Eight (8)
  5. Nine (9)
  6. Eleven (11)
  7. Customer Choice
H-Alpha Telescope Series
  1. Coronado PST
  2. Coronado SolarMax II
  3. Coronado SolarMax III
  4. Daystar Scout
  5. Lunt LS50
  6. Lunt LS60
  7. Lunt LS80
  8. Lunt LS100
  9. Lunt LS152
Shop By Category
Filter Shape
  1. Round
  2. Square
  3. EOS Clip
  4. Sony Clip
Telescope Optical Design
  1. Advanced Coma-Free
  2. Astrograph
  3. EdgeHD
  4. Maksutov Newtonian
  5. Maksutov-Cassegrain
  6. Newtonian Reflector
  7. Refractor
  8. Ritchey-Chretien
  9. Schmidt-Cassegrain
Telescope Series
  1. Apertura Dobsonians
  2. Celestron Advanced VX
  3. Celestron Ambassador
  4. Celestron AstroFi
  5. Celestron AstroMaster
  6. Celestron CGEM II
  7. Celestron CGX
  8. Celestron CGX-L
  9. Celestron Cometron
  10. Celestron CPC
  11. Celestron ExploraScope
  12. Celestron FirstScope
  13. Celestron Inspire
  14. Celestron LCM
  15. Celestron NexStar Evolution
  16. Celestron NexStar SE
  17. Celestron NexStar SLT
  18. Celestron Omni XLT
  19. Celestron OTA
  20. Celestron PowerSeeker
  21. Celestron RASA
  22. Celestron SkyProdigy
  23. Celestron Travel Scope
  24. Explore AR Air-Spaced Doublet
  25. Explore ED Air-Spaced Triplets
  26. Explore FCD100 APO
  27. Explore FirstLight
  28. Explore Reflectors
  29. Explore Truss Dobsonians
  30. GSO Imaging Newtonians
  31. GSO Ritchey-Chretiens
  32. iOptron Mak-Cassegrain OTA
  33. iOptron Photron
  34. iOptron SmartStar
  35. iOptron Urban
  36. iOptron Versa
  37. Meade ETX
  38. Meade Infinity
  39. Meade LightBridge
  40. Meade LS
  41. Meade LX200
  42. Meade LX600
  43. Meade LX65
  44. Meade LX70
  45. Meade LX85
  46. Meade LX850
  47. Meade LX90
  48. Meade Optical Tube Assemblies
  49. Meade Polaris
  50. Meade Series 6000
  51. Meade StarNavigator
  52. Meade StarPro AZ
  53. Moonraker Refractors
  54. Orion Astrograph Newtonian
  55. Orion AstroView
  56. Orion Atlas
  57. Orion CT80
  58. Orion ED66
  59. Orion EON
  60. Orion Observer
  61. Orion Optical Tube Assembly
  62. Orion Sirius
  63. Orion SkyQuest XT
  64. Orion SkyQuest XX
  65. Orion SkyView Pro
  66. Orion SpaceProbe
  67. Orion StarBlast
  68. Orion StarMax
  69. Sky-Watcher Classic Dobsonians
  70. Sky-Watcher Flextube SynScan Dobsonians
  71. Sky-Watcher Quattro Imaging Newtonians
  72. Sky-Watcher Skymax/Starlux Telescopes
  73. Sky-Watcher Stargate Dobsonians
  74. SkyWatcher Esprit
  75. SkyWatcher Evostar Pro ED APO
  76. SkyWatcher Flextube Dobsonian
  77. SkyWatcher Virtuoso
  78. Stellarvue Doublet
  79. Stellarvue Little Rascal
  80. Stellarvue Quad
  81. Stellarvue Triplet
  82. Takahashi APO Triplet
  83. Takahashi CCA
  84. Takahashi Epsilon
  85. Takahashi FSQ
  86. Takahashi Mewlon
  87. Tasco Telescope/Microscope Package
  88. Tele Vue Doublet APO
  89. Tele Vue Nagler-Petzval APO
  90. William Optics FLT
  91. William Optics GT
  92. William Optics WO-Star
  93. William Optics ZenithStar
  94. Zhumell Reflectors
  95. Zhumell Refractors
Telescope Mount Type
  1. No Mount - OTA Only
  2. Alt-Azimuth
  3. Dobsonian
  4. Equatorial
  5. Dual (Alt-Az & Equatorial)
Telescope Aperture Range
  1. 9" - 10.9"
  2. Under 2"
  3. 2" - 3.9"
  4. 4" - 6.9"
  5. 7" - 8.9"
  6. 9" - 10.9"
  7. 11" - 13.9"
  8. 14" - 16.9"
  9. 17" - 20.9"
Telescope Focal Ratio Range
  1. f/2 - f/5.9
  2. f/6 - f/8.9
  3. f/9 - f/11.9
  4. f/12 & higher
Type of Solar Equipment
  1. Solar Telescopes - H-Alpha
  2. Solar Telescopes - White Light
  3. Solar Filters - White Light - Glass
  4. Solar Filters - White Light - Solar Film
  5. Solar Filters - H-Alpha
  6. Solar Binoculars
  7. Solar Glasses or Viewers
  8. Solar Film - Unmounted
  9. Herschel Wedges
  10. Solar Eyepieces
  11. Blocking Filters
  12. Double-Stacking Module or Etalon
  13. Sun Finders
  14. Solar Mounting Accessories
  15. Continuum/K-Line Filters
  16. Polarizing Filters
  17. Focusers
  18. Covers
Eyepiece Series
  1. Baader Classic Ortho
  2. Baader Hyperion
  3. Baader Morpheus
  4. Baader Polaris
  5. Celestron Eyepiece Kits
  6. Celestron Luminos
  7. Celestron Omni
  8. Celestron Speciality Eyepieces
  9. Celestron X-Cel LX
  10. Celestron Zoom
  11. Coronado Cemax
  12. Explore 100°
  13. Explore 120°
  14. Explore 62º
  15. Explore 68°
  16. Explore 82º
  17. Explore 92º
  18. High Point Plossl
  19. High Point SuperView
  20. iOptron
  21. Lunt Solar Eyepiece
  22. Meade Extreme Wide Angle
  23. Meade HD 60º
  24. Meade Mega Wide Angle MWA
  25. Meade Series 4000 Plossl
  26. Meade Speciality Eyepieces
  27. Meade Ultra Wide Angle
  28. Meade Zoom
  29. Orion DeepView
  30. Orion Edge-On
  31. Orion Expanse
  32. Orion LHD
  33. Orion Q70
  34. Orion Sirius Plossl
  35. Orion Speciality Eyepieces
  36. Orion Stratus
  37. Pentax XW
  38. Rigel
  39. Stellarvue Optimus
  40. Stellarvue Planetary
  41. Stellarvue Reticle
  42. Stellarvue Wide Angle
  43. Takahashi Long Eye Relief
  44. Tele Vue DeLite
  45. Tele Vue Delos
  46. Tele Vue Ethos
  47. Tele Vue Nagler
  48. Tele Vue Panoptic
  49. Tele Vue Plossl
  50. Tele Vue Zoom
  51. William Optics Super Planetary
  52. William Optics Super Wide Angle
  53. William Optics Ultra Wide Angle
  54. Zhumell Eyepieces
Eyepiece Barrel Size
  1. 1.25"
  2. 1.25"/2"
  3. 2"
  4. 3"
  5. Bayonet/Screw Mount
Eyepiece Focal Length Range
  1. Up to 5mm
  2. 5.1mm - 8mm
  3. 8.1mm - 10mm
  4. 10.1mm - 15mm
  5. 15.1mm - 20mm
  6. 20.1mm - 25mm
  7. 25.1mm - 32mm
  8. 32.1mm & Up
  9. Variable Focal Length - Zoom or Digital
  10. Multiple Focal Lengths - Eyepiece Set
Eyepiece Field of View Range
  1. Up to 50°
  2. 51° - 60°
  3. 61° - 70°
  4. 71° - 82°
  5. 83° - 100°
  6. 101° & Up
  7. Variable - Zoom or Digital
  8. Multiple - This is a Set
Eyepiece - Single, Set, or Speciality?
  1. Eyepiece (Single)
  2. Eyepiece Set or Kit
  3. Speciality Eyepiece
Eyepiece/Diagonal Accessory Type
  1. Dioptrx
  2. Eyeguards
  3. Eyepiece Caps & Plugs
  4. Eyepiece Cases
  5. Eyepiece Rings
  6. Eyepiece Trays & Holders
  7. Eyepiece/Diagonal Adapters
  8. Misc. Eyepiece Accessories
  9. Rear Cell Adapters
Barlows by Magnification
  1. 2X
  2. 2.25X
  3. 2.5X
  4. 3X
  5. 4X
  6. 5X
Barlow Barrel Size
  1. 1.25"
  2. 2"
Mount or Tripod Type
  1. Alt-Azimuth Mounts
  2. Equatorial Mounts
  3. Dual Alt-Az/Equatorial
  4. Camera Tracking System
  5. Tripods
  6. Piers
  7. RA or Dec Axis Only
Weight Capacity Range
  1. Up to 5 lb.
  2. 5 - 10 lb.
  3. 11 - 20 lb.
  4. 21 - 30 lb.
  5. 31 - 40 lb.
  6. 41 - 60 lb.
  7. 61 - 99 lb.
  8. 100 lb. & Up
  9. Unknown
Type of Mount Electronics
  1. Computerized with GoTo
  2. Drive Control - No GoTo
  3. GoTo Sun Only
  4. Manual
Mount Accessories
  1. Cables
  2. Carts & Dollies
  3. Mount Adapters
  4. Mount Upgrades
  5. Pier Accessories
  6. Power Supplies and Accessories
  7. Tripod Accessories
  8. Wedges
  9. Miscellaneous Mount Accessories
Mount Electronics Accessories
  1. Alignment & Time
  2. Controllers & Joysticks
  3. Dual-Axis Drives
  4. Electronics Adapters & Cables
  5. Encoders & Computerization
  6. GPS
  7. RA Drives
  8. WiFi Accessories
Imaging Camera Series
  1. Atik 11000
  2. Atik 16200
  3. Atik 314
  4. Atik 383
  5. Atik 4000
  6. Atik 4120EX
  7. Atik 414EX
  8. Atik 420
  9. Atik 428
  10. Atik 460
  11. Atik 490 EX
  12. Atik GP
  13. Atik Horizon
  14. Atik Infinity
  15. Atik One
  16. Atik One and GP Combo
  17. Atik Titan
  18. Celestron NexImage
  19. Celestron Skyris
  20. iOptron iE5100
  21. Meade DSI-IV
  22. Meade LPI-G
  23. Orion Starshoot
  24. QHY Color
  25. QHY Cooled Color
  26. QHY Cooled Mono
  27. QHY Mono
  28. QSI 6120
  29. QSI 640
  30. QSI 660
  31. QSI 683
  32. QSI 690
  33. Revolution Imager R2
  34. Starlight Xpress Oculus
  35. Starlight Xpress Trius
  36. Starlight Xpress UltraStar
  37. ZWO ASI071
  38. ZWO ASI094 MC Pro
  39. ZWO ASI120
  40. ZWO ASI128MC Pro
  41. ZWO ASI1600
  42. ZWO ASI174
  43. ZWO ASI178
  44. ZWO ASI183
  45. ZWO ASI185
  46. ZWO ASI224
  47. ZWO ASI290
  48. ZWO ASI294
  49. ZWO ASI385
Color or Monochrome Camera?
  1. Monochrome
  2. Color
Camera Accessory Type
  1. Afocal Adapter
  2. Body Covers & Upgrades
  3. C/CS Mount Lenses
  4. Camera Angle Adjuster
  5. Camera Cases
  6. Camera Mounting
  7. Camera Power Supply
  8. Camera Spacers
  9. Desiccant for CCD Cameras
  10. Digital/CCD Camera Adapter
  11. DVR/LCD Monitors & Red Film
  12. Eyepiece Projection/TeleExtender
  13. Smartphone Adapter
  14. Spectrograph
  15. T/C Adapter/Basic Camera Adapter
  16. T/C-Ring/Adapter (Camera Specific)
  17. Video Astronomy Adapter
Camera Specific (DSLR)
  1. Canon EOS
  2. Nikon
  3. Sony A/Minolta A
  4. Sony E
Diagonal Type
  1. Correct/Erect Image
  2. Star Diagonal
Diagonal Size - Eyepiece Side
  1. 1.25" Barrel
  2. 2" Barrel
  3. 3" Barrel
  4. T-2 Threads
Diagonal Size - Telescope Side
  1. M65x1 Male Thread
  2. 1.25" Barrel
  3. 2" Barrel
  4. SCT Adapter
  5. T-2 Threads
Filter Type
  1. Broadband Deep-Sky
  2. Clear/Protection
  3. Color Correction/Contrast
  4. Light Pollution
  5. LRGB Imaging
  6. Midband Imaging
  7. Moon/ND/Polarizing
  8. Narrowband Deep-Sky
  9. Narrowband Imaging
  10. Planetary Color
  11. UV/IR and/or Luminance
  12. Wideband Imaging
Filter Size
  1. 31 mm
  2. 31.75 mm (1.25")
  3. 36 mm
  4. 43 mm
  5. 50 mm
  6. 50.4 mm
  7. 50.8 mm (2")
  8. 65 mm
  9. 72 mm RASA
  10. 77 mm
  11. 82 mm
  12. 100 mm & Up
  13. SCT Rear Cell
  14. EOS APS Clip
  15. EOS Full Frame Clip
  16. EOS M Clip
  17. EOS XT APS Clip
  18. M42 x 0.75 mm (T-Thread)
  19. Sony Alpha 7 Clip
Filter - Single or Set?
  1. Filter Set
  2. Single Filter
Type of Filter Accessory
  1. Filter Adapters
  2. Filter Holders
  3. Filter Wheel Accessories
  4. Filter Wheels
  5. Filter Carousels
  6. Filter Sliders
  7. Filter Cases
Filter Wheel/Carousel Size
  1. 1.25"
  2. 2"
  3. 36mm Round
  4. 50mm Round
  5. 50mm Square
Finder Type
  1. Optical Finder - Angled
  2. Optical Finder - Straight Through
  3. Polar Finder
  4. Red Dot Finder
Finder Accessories
  1. Finder Rings & Brackets
  2. Finder Brackets
  3. Bases
  4. Illuminators
  5. Miscellaneous Finder Accessories
Guiding Accessory Type
  1. Aiming Devices
  2. Autoguider or Adaptive Optics
  3. Guidescopes
  4. Off-Axis Guiders
  5. Miscellaneous Guide Accessories
Focus Product Type
  1. Crayford Focusers
  2. Feather Touch Focusers
  3. Rack & Pinion Focusers
  4. Helical Focusers
  5. Focuser Electronics
  6. Bahtinov Masks
  7. Focus Caps
  8. Extension Tubes & Adapters
  9. Focus Accessories
Optical Modifier or Adapter
  1. Coma Corrector
  2. Extender
  3. Field Flattener
  4. Hyperstar
  5. Reducer
  6. Reducer/Field Flattener
  7. Adapter
Cases/Covers Type
  1. Telescope Cases - Hard
  2. Telescope Cases - Reinforced Soft
  3. Telescope Cases - Soft
  4. Mount Cases
  5. Tripod Cases
  6. Accessory Cases
  7. Case Accessories
  8. Protective Covers
  9. Truss Shrouds
Binoviewer or Accessory?
  1. Binoviewer
  2. Binoviewer Accessory
Books, Software, Videos
  1. Books
  2. Planispheres & Charts
  3. Software
  4. Videos
Counterweight Type
  1. Counterweights for Mounts
  2. Counterweights for Optical Tubes
  3. Counterweight Sets
  4. Counterweight Shafts & Bars
  5. Counterweight Accessories
Counterweight Total Weight
  1. 5 lb. & Under
  2. 5.1 lb. - 10 lb.
  3. 10.1 lb. - 20 lb.
  4. 20.1 lb. & Up
Collimation Tool Type
  1. Laser Collimator
  2. Collimation Telescope
  3. Bob's Knobs
  4. Collimation Eyepiece
  5. Collimation Kit
  6. Collimation Accessories
Type of Dew or Stray Light Product
  1. Dew Shield - Hard
  2. Dew Shield - Flexible
  3. Dew Shield - Heated
  4. Dew Controller
  5. Dew Heaters & Sensors
  6. Dew Cap
  7. Dew Accessories
  8. Light Shield for Dob's
Shield/Strap Diameter Range
  1. Up to 3"
  2. 3.1" - 5.9"
  3. 6" - 7.9"
  4. 8" - 9.9"
  5. 10" - 12.9"
  6. 13" & Up
Diameter of Extension or Spacer
  1. 1.25"
  2. 2"
  3. 2.4"
  4. 2.5"
  5. 3"
  6. 42mm
  7. 48mm
  8. 90mm
Length of Extension or Spacer
  1. 1" & Under
  2. 1.1" - 2"
  3. 2.1" - 3"
  4. 3.1" - 4"
  5. 4.1" - 5"
  6. 5.1" & Up
Dovetail or Dovetail Accessory?
  1. Saddle Plate
  2. Dovetail Only
  3. Dovetail with Adapter
  4. Dovetail with Riser Blocks
  5. Dovetail with Radius Blocks
  6. Dovetail Adapter Only
  7. Dovetail Handle
  8. Riser Blocks Only
  9. Radius Blocks Only
Dovetail Length Range
  1. Up to 4"
  2. 4.1" - 7.9"
  3. 8" - 12.9"
  4. 13" & Up
Dovetail or Dovetail Adapter Series
  1. Mini
  2. V-Series (Vixen)
  3. D-Series (Losmandy)
  4. Dual (D & V)
  5. Oversized
Mounting Ring Size Range
  1. Up to 4"
  2. 4.1" - 6"
  3. 6.1" & Up
  4. Custom
Emission Line
  1. CaK
  2. H-Alpha
  3. White Light
Filters by Size
  1. For Camera Lenses
  2. Filter Sizes up to 5.5"
  3. Filter Sizes from 5.6" - 6.9"
  4. Filter Sizes from 7" - 8.9"
  5. Filter Sizes from 9" - 10.9"
  6. Filter Sizes from 11" - 13.9"
  7. Filter Sizes 14" & Larger
  8. Unmounted Film
  9. 2"/1.25" Eyepiece
  10. Herschel Wedge
Celestron Spare Parts
  1. Advanced GT Series
  2. Advanced VX Series
  3. CGEM Series
  4. CPC Series
  5. Evolution Series
  6. Miscellaneous Parts
  7. NexStar Series
  8. PowerTank Lithium Parts
Binocular or Monocular?
  1. Binocular
  2. Monocular
Binocular Series
  1. Celestron Cavalry
  2. Celestron Cometron
  3. Celestron Cosmos
  4. Celestron Echelon
  5. Celestron Granite
  6. Celestron Nature DX
  7. Celestron Oceana
  8. Celestron Outland
  9. Celestron SkyMaster
  10. Celestron Trailseeker
  11. Celestron UpClose
  12. Meade TravelView
  13. Orion UltraView
  14. Vanguard Endeavor
  15. Vanguard Endeavor ED II
  16. Vortex Crossfire
  17. Vortex Razor
  18. Vortex Viper
  19. William Optics ED Astro
  20. William Optics Semi APO
  21. Zhumell Binoculars
Power of Binoculars
  1. 10X
  2. 12X
  3. 15X
  4. 16X
  5. 20X
  6. 25X
  7. 7X
  8. 8X
  9. 9X
  10. Zoom
Binoculars Optics Size Range
  1. 10mm - 25mm
  2. 26mm - 35mm
  3. 36mm - 42mm
  4. 43mm - 50mm
  5. 51mm - 70mm
  6. 71mm - 90mm
  7. 91mm & Up
Binocular Body Size
  1. Compact Binoculars
  2. Mid-Sized Binoculars
  3. Big Binoculars
  4. Giant Binoculars
  5. Monoculars
Binocular Accessories
  1. Binocular Mounts
  2. Binocular Tripod Adapters
  3. Far-Sight
  4. Miscellaneous Accessories
  5. Straps & Holsters
Microscope Product Type
  1. Books
  2. Digital Microscope
  3. Imagers/Photography
  4. Magnifiers & Loupes
  5. Microscope Accessories
  6. Optical Microscope
  7. Slides & Cover Slips
  8. Stands & Lights
Spotting Scope Series
  1. Celestron C5
  2. Celestron C90
  3. Celestron Hummingbird
  4. Celestron LandScout
  5. Celestron Mini Mak
  6. Celestron Regal
  7. Celestron TrailSeeker
  8. Celestron Ultima
  9. Celestron Zoom
  10. Vortex Diamondback
  11. Zhumell Spotting Scopes
Spotting Scope Aperture
  1. 50 mm
  2. 56 mm
  3. 60 mm
  4. 65 mm
  5. 70 mm
  6. 80 mm
  7. 90 mm
  8. 100 mm
  9. 127 mm
Spotting Scope Optical Design
  1. Maksutov-Cassegrain
  2. Refractor
  3. Schmidt-Cassegrain
Spotting Scope Body Style
  1. Angled
  2. Straight-Through
Price
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