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  • ZWO Astronomy Cameras ZWO 850nm IR Pass Filter - 1.25" - IR850NM1
    $22.00
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  • Celestron Celestron StarSense Auto Telescope Alignment Accessory - 94005
    $359.95
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    free shipping
  • Celestron Celestron NexStar 8SE Computerized Telescope - 11069
    $1,199.00 $999.00
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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
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  • Celestron AVX Mount with Free Polarscope and Case from HPS
    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
    $899.99
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    free shipping
  • Baader 2
    Baader Planetarium Baader UHC-S Nebula Filter - L Booster - 2" - FUHC-2
    $147.00
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  • Celestron Celestron PowerSeeker 127EQ Reflector 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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  • Celestron NexStar 130 SLT Computerized Telescope - 31145
    Celestron Celestron NexStar 130 SLT Computerized Telescope - 31145
    $499.95 $388.95
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  • High Point High Point Wide Angle Eyepiece Kit with 2" Diagonal - WAEPKIT2
    $249.95
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    free shipping
  • ADM CGEM Super Knob Upgrade Kit - Orange Anodized
    ADM ADM 14-Piece CGEM Mount 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
    $169.00
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  • Celestron Celestron 2.5X Luminos Barlow Lens - 2" - 93436
    $124.95 $114.95
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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 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 Vixen Series 4
    ADM ADM Accessories Vixen Style Universal Dovetail Plate - 4" Long - VDUP4
    $35.00
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  • ADM Accessories Vixen Series 7
    ADM ADM Accessories Vixen Style Universal Dovetail Plate - 7" Long VDUP7
    $50.00
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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 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 AstroSystems Dew Shield for Telrad Finder
    $18.00
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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 4000 Monochrome Large Format CCD Camera with Kodak KAI-04022 Sensor - ATK0043
    $3,795.00
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  • Atik Cameras Atik 11000 Monochrome Large Format CCD Camera - ATK0046
    $5,090.00
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  • Atik Cameras Atik 314L+ Monochrome CCD Camera w/ Sony ICX285AL Sensor - ATK0058
    $1,395.00
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  • Atik Cameras Atik 314L+ Color CCD Camera w/ Sony ICX285AL Sensor - ATK0059
    $1,395.00
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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!

High Point Scientific is rated 4.9/5 based on 1347 reviews
Shop By Category
Category
  1. ADM Accessories
  2. Apertura Telescopes and Accessories
  3. Astronomik Filters
  4. Astro Systems
  5. Astrodon
  6. Astrozap
  7. ATIK Cameras
  8. Baader Planetarium Telescope Accessories
  9. Bobs Knobs
  10. Bresser
  11. Celestron Telescopes
  12. Coronado
  13. DayStar Filters
  14. Dew Not
  15. Explore Scientific Telescopes, Eyepieces & Accessories
  16. Farpoint Astro
  17. GSO Telescopes
  18. High Point
  19. Hotech
  20. iOptron Telescopes & Mounts
  21. IP4AP
  22. JMI
  23. Kendrick
  24. Ken Press
  25. Konus
  26. Losmandy
  27. Lumicon
  28. Lunt Solar Systems
  29. Meade Telescopes
  30. Omegon
  31. Optec
  32. Optolong
  33. Orion Telescopes
  34. Pacific Case
  35. Parallax Instruments
  36. Pegasus Astro
  37. Pentax
  38. Phoenix
  39. PrimaLuceLab
  40. QHY
  41. QSI Imaging
  42. Revolution
  43. Rigel Systems
  44. Scopetronix
  45. Sky Engineering
  46. Sky Spot
  47. Sky-Watcher
  48. Simulation Curriculum
  49. Sirius Technologies
  50. Software Bisque
  51. Spectrum Telescope
  52. Star Bound
  53. Star Dust Covers
  54. Starizona
  55. Starlight Instruments
  56. Starlight Xpress
  57. Stellarvue Telescopes
  58. Takahashi
  59. Tasco
  60. Tele Vue Eyepieces,Telescopes & Accessories
  61. TeleGizmos
  62. Telrad
  63. Thousand Oaks - 1000 Oaks
  64. Vanguard
  65. Vortex
  66. William Optics Telescopes
  67. Zhumell
  68. ZWO Cameras & Accessories
Cleaning or Maintenance Product Type
  1. Cleaning Cloth
  2. Cleaning Fluid
  3. Cleaning Kit
  4. Cleaning Pen
  5. Tools & Lubrication
Observing Gear Type
  1. Chairs
  2. Hand Warmers
  3. Temperature & Humidity Sensors
  4. Trek & Wind Guides
  5. Weather Stations
Optical Design
  1. Refractor
  2. Newtonian Reflector
  3. Cassegrain
  4. Ritchey-Chretien
  5. Celestron EdgeHD
  6. Meade ACF
  7. Exotic
Pixel Size Range in Microns
  1. 2.99µm or Less
  2. 3.00µm - 3.68µm
  3. 3.69µm - 3.74µm
  4. 3.75µm - 3.79µm
  5. 3.80µm - 3.99µm
  6. 4.00µm - 4.99µm
  7. 5.00µm - 5.99µm
  8. 6.00µm or More
Polar Product Type
  1. Manual Polar Scope
  2. Electronic Polar Scope
  3. Polar Scope Adapter
  4. Polar Scope Illuminators
Sensor Resolution Range in Megapixels
  1. 1 MP or Less
  2. 1.1 - 1.9 MP
  3. 2 - 3.9 MP
  4. 4 - 5.9 MP
  5. 6 - 7.9 MP
  6. 8 - 9.9 MP
  7. 10 - 11.9 MP
  8. 12 - 15.9 MP
  9. 16 - 19.9 MP
  10. 20 - 29.9 MP
  11. 30 MP or More
Tripod or Pier Type
  1. Telescope Tripod
  2. Camera Tripod
  3. Tripod/Pier Combo
  4. Pier
  5. Tripod Accessories
  6. Pier Accessories
Type of Electronics
  1. Computerized GoTo
  2. Computerized Push-To
  3. Motorized - No Computerization
  4. Manual Mount - No Electronics
  5. OTA Only - No Electronics
Filter Wheel Product Type
  1. Electronic Filter Wheel
  2. Manual Filter Wheel
  3. Carousel Only
  4. Filter Wheel Adapter
Flashlight or Laser?
  1. Flashlight
  2. Flashlight, Hand Warmer & Charger
  3. Laser Pointer
  4. Headlamp/Goggles
  5. Lantern
Dew Shield/Cap Diameter Range
  1. Up to 6"
  2. 6.1" - 9"
  3. 9.1" - 10"
  4. 10.1" - 12"
  5. 12.1" & Up
Filter Wheels by Filter Size
  1. 1.25" (31 mm)
  2. 2"
  3. 36 mm
  4. 50 mm
  5. 50.8 mm
Parts for Type of Product
  1. For Cameras
  2. For Telescopes
  3. For Mounts
  4. For Tripods
  5. For Finders
  6. For Accessories
Primary Purpose of Filter
  1. Color Correction
  2. Imaging
  3. Increase Planetary Detail
  4. Protection
  5. Reduce Light Pollution/Boost Contrast
  6. View the Moon or a Comet
  7. Visual Observations of Nebulae
Filter Type
  1. Clear
  2. CLS/LPR
  3. Color Planetary
  4. Comet
  5. Continuum
  6. Dark
  7. Fringe-Killer/Minus Violet
  8. H-Alpha
  9. H-Beta
  10. Mars/Jupiter
  11. Methane
  12. Multispectra
  13. Narrowband Set
  14. Nebula/Broadband
  15. Neutral Density/Moon
  16. NII
  17. OIII
  18. OWB
  19. Photometric
  20. Polarizing
  21. Pro Planet
  22. RGB
  23. RGB & Narrowband Set
  24. SII
  25. SkyGlow
  26. UHC
  27. UV/IR/Luminance
Heater Element Length Range
  1. Up to 6"
  2. 6.1" - 20"
  3. 20.1" - 30"
  4. 30.1" - 40"
  5. 40" & Up
Number of Positions
  1. 5
  2. 6
  3. 7
  4. 8
  5. 9
  6. 11
Shop By Category
Binocular or Accessory Type
  1. Binocular
  2. Monocular
  3. Binocular Tripod Adapters
  4. Binocular Mounts
  5. Far-Sight Accessories
  6. Straps & Holsters
Case, Cover, or Shroud Type
  1. Mount Cases
  2. Tripod Cases
  3. Camera Cases
  4. Accessory Cases
  5. Case Accessories
  6. Protective Covers
  7. Light Shields & Shrouds
Single Filter, Set, or Accessory
  1. Single Filter
  2. Filter Set
  3. Filter Sliders & Adapters
  4. Filter Holders
Type of Dew or Moisture Product
  1. Dew Shields - Hard
  2. Dew Shields - Flexible
  3. Dew Shields - Heated
  4. Dew Controllers
  5. Dew Heaters & Sensors
  6. Dew Caps
  7. Desiccant
Binoculars by Magnification
  1. 10X
  2. 12X
  3. 15X
  4. 16X
  5. 18X
  6. 2.1X
  7. 20X
  8. 25X
  9. 7X
  10. 8.5X
  11. 8X
  12. 9X
  13. Zoom
Telescope Series
  1. Apertura Dobsonians
  2. Apertura Imaging Newtonians
  3. Apertura Newtonians
  4. Celestron Advanced VX
  5. Celestron Ambassador
  6. Celestron AstroFi
  7. Celestron AstroMaster
  8. Celestron CGEM II
  9. Celestron CGX
  10. Celestron CGX-L
  11. Celestron Cometron
  12. Celestron CPC
  13. Celestron ExploraScope
  14. Celestron FirstScope
  15. Celestron Inspire
  16. Celestron LCM
  17. Celestron NexStar Evolution
  18. Celestron NexStar SE
  19. Celestron NexStar SLT
  20. Celestron Omni XLT
  21. Celestron OTA
  22. Celestron PowerSeeker
  23. Celestron RASA
  24. Celestron SkyProdigy
  25. Celestron Travel Scope
  26. Explore AR Air-Spaced Doublet
  27. Explore ED Air-Spaced Triplets
  28. Explore FCD100 APO
  29. Explore FirstLight
  30. Explore Reflectors
  31. Explore Truss Dobsonians
  32. GSO Imaging Newtonians
  33. GSO Ritchey-Chretiens
  34. iOptron Cube Pro
  35. iOptron Mak-Cassegrain OTA
  36. iOptron Photron
  37. iOptron SmartStar
  38. iOptron Urban
  39. iOptron Versa
  40. Meade ETX
  41. Meade Infinity
  42. Meade LightBridge
  43. Meade LS
  44. Meade LX200
  45. Meade LX600
  46. Meade LX65
  47. Meade LX85
  48. Meade LX850
  49. Meade LX90
  50. Meade Optical Tube Assemblies
  51. Meade Polaris
  52. Meade Series 6000
  53. Meade StarNavigator
  54. Meade StarPro AZ
  55. Orion Astrograph Newtonian
  56. Orion AstroView
  57. Orion Atlas
  58. Orion CT80
  59. Orion ED66
  60. Orion EON
  61. Orion Observer
  62. Orion Optical Tube Assembly
  63. Orion Sirius
  64. Orion SkyQuest XT
  65. Orion SkyQuest XX
  66. Orion SkyView Pro
  67. Orion SpaceProbe
  68. Orion StarBlast
  69. Orion StarMax
  70. Sky-Watcher Classic Dobsonians
  71. Sky-Watcher Esprit
  72. Sky-Watcher Evostar Pro ED APO
  73. Sky-Watcher Flextube Dobsonian
  74. Sky-Watcher Flextube SynScan Dobsonians
  75. Sky-Watcher Heritage
  76. Sky-Watcher Quattro Imaging Newtonians
  77. Sky-Watcher Skymax/Starlux Telescopes
  78. Sky-Watcher Stargate Dobsonians
  79. Sky-Watcher StarTravel
  80. Sky-Watcher Virtuoso
  81. Stellarvue Doublet
  82. Stellarvue Little Rascal
  83. Stellarvue Sextuplet
  84. Stellarvue Triplet
  85. Takahashi CCA
  86. Takahashi Epsilon
  87. Takahashi FS
  88. Takahashi FSQ
  89. Takahashi Mewlon
  90. Takahashi TOA
  91. Takahashi TSA
  92. Tasco Telescope/Microscope Package
  93. Tele Vue Doublet APO
  94. Tele Vue Nagler-Petzval APO
  95. Vixen Refractors
  96. William Optics FLT
  97. William Optics GT
  98. William Optics RedCat
  99. William Optics WO-Star
  100. William Optics ZenithStar
  101. Zhumell Reflectors
  102. Zhumell Refractors
Parts by Series, Model or Group
  1. 1.25" Barrel Accessories
  2. 2" Barrel Accessories
  3. Apertura Dobsonians
  4. Celestron Advanced VX
  5. Celestron CGE
  6. Celestron CGEM
  7. Celestron CPC/CPC DX
  8. Celestron CrossAim
  9. Celestron Evolution
  10. Celestron Finders
  11. Celestron NexStar SE
  12. Celestron PowerTank Lithium
  13. Celestron StarSense
  14. Explore Scientific Refractors
  15. Rigel PulsGuide
  16. Starlight Xpress Cameras
  17. Tele Vue Starbeam
  18. Telrad Finder
Telescope Mount Type
  1. No Mount - OTA Only
  2. Alt-Azimuth
  3. Dobsonian
  4. Equatorial
  5. Dual (Alt-Az & Equatorial)
Aperture Range in Inches
  1. 2"
  2. 3"
  3. 4"
  4. 5"
  5. 6"
  6. 7"-8"
  7. 9"-10"
  8. 11"-12"
  9. 13"-14"
  10. 15"-16"
  11. 17"-20"
Filter Size
  1. 48 mm
  2. C Mount
  3. 27 mm
  4. 31 mm
  5. 31.75 mm (1.25")
  6. 36 mm
  7. 42 mm
  8. 43 mm
  9. 50 mm
  10. 50.4 mm
  11. 50.8 mm (2")
  12. 65 mm
  13. 72 mm RASA
  14. 77 mm
  15. 82 mm
  16. 100 mm & Up
  17. SCT Rear Cell
  18. EOS APS Clip
  19. EOS Full Frame Clip
  20. EOS M Clip
  21. EOS XT APS Clip
  22. M42 x 0.75 mm (T-Thread)
  23. M52
  24. Nikon Full Frame Clip
  25. Pentax K1 Clip
  26. Sony Alpha 7 Clip
Filter Shape
  1. Round
  2. Square
  3. EOS Clip
  4. Nikon Clip
  5. Pentax Clip
  6. Sony Clip
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 or CaK
  6. Solar Binoculars
  7. Solar Glasses or Viewers
  8. Solar Film - Unmounted
  9. Herschel Wedges
  10. Blocking Filters
  11. Double-Stacking Module or Etalon
  12. Sun Finders
  13. Mounts for Solar Telescopes
  14. Solar Mounting Accessories
  15. Continuum/K-Line Filters
  16. Polarizing Filters
  17. Focusers
  18. Covers
Eyepiece Series
  1. Apertura Plossl
  2. Apertura Super View
  3. Baader Classic Ortho
  4. Baader Hyperion
  5. Baader Morpheus
  6. Baader Polaris
  7. Celestron Eyepiece Kits
  8. Celestron Luminos
  9. Celestron Omni
  10. Celestron Speciality Eyepieces
  11. Celestron X-Cel LX
  12. Celestron Zoom
  13. Coronado Cemax
  14. Explore 100°
  15. Explore 120°
  16. Explore 52º
  17. Explore 62º
  18. Explore 68°
  19. Explore 70º
  20. Explore 82º
  21. Explore 92º
  22. High Point Plossl
  23. High Point SuperView
  24. iOptron
  25. Lunt Solar Eyepiece
  26. Meade Mega Wide Angle MWA
  27. Meade Series 4000 Plossl
  28. Meade Speciality Eyepieces
  29. Meade Ultra Wide Angle
  30. Meade Zoom
  31. Orion DeepView
  32. Orion Edge-On
  33. Orion Expanse
  34. Orion LHD
  35. Orion Q70
  36. Orion Sirius Plossl
  37. Orion Speciality Eyepieces
  38. Orion Stratus
  39. Orion Zoom
  40. Pentax SMC
  41. Pentax XF
  42. Pentax XW
  43. Rigel
  44. Stellarvue Optimus
  45. Stellarvue Planetary
  46. Stellarvue Reticle
  47. Stellarvue Wide Angle
  48. Takahashi UW
  49. Tele Vue DeLite
  50. Tele Vue Delos
  51. Tele Vue Ethos
  52. Tele Vue Nagler
  53. Tele Vue Panoptic
  54. Tele Vue Plossl
  55. Tele Vue Zoom
  56. William Optics CatEye
  57. William Optics Super Planetary
  58. William Optics Super Wide Angle
  59. William Optics XWA Eyepieces
  60. Zhumell Eyepieces
Focal Length Range
  1. 299mm or less
  2. 300mm - 399mm
  3. 400mm - 599mm
  4. 600mm - 699mm
  5. 700mm - 799mm
  6. 800mm - 999mm
  7. 1000mm - 1299mm
  8. 1300mm - 1499mm
  9. 1500mm - 1799mm
  10. 1800mm - 1999mm
  11. 2000mm - 2299mm
  12. 2300mm - 2499mm
  13. 2500mm - 2999mm
  14. 3000mm or more
Barrel Size
  1. 1.25"
  2. 1.25"/2"
  3. 2"
  4. 3"
  5. Bayonet/Screw Mount
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
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
Single Eyepiece, 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 Rings
  5. Eyepiece Trays & Holders
  6. Eyepiece/Diagonal Adapters
  7. Rear Cell Adapters
Barlow or Extender by Magnification
  1. 1.5X
  2. 1.6X
  3. 2X
  4. 2.25X
  5. 2.5X
  6. 3X
  7. 4X
  8. 5X
Barlow or Extender Barrel Size
  1. 1.25"
  2. 2"
  3. Threaded
Mount Type
  1. Alt-Azimuth Mounts
  2. Equatorial Mounts
  3. Dual Alt-Az/Equatorial
  4. Camera Tracking System
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. N/A
Type of Mount Electronics
  1. Computerized - GoTo
  2. Manual - No Electronics
  3. Motorized - Non-Computerized
  4. Clockwork - No Electronics
Mount Accessories
  1. Ball Heads & Adapters
  2. Mount Hardware Upgrades
  3. Wedges & Adapter Plates
  4. Wheeley Bars & Dollies
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 428
  9. Atik 460
  10. Atik 490 EX
  11. Atik GP
  12. Atik Horizon
  13. Atik Infinity
  14. Atik One
  15. Atik One and GP Combo
  16. Atik Titan
  17. Celestron NexImage
  18. Celestron Skyris
  19. iOptron iE1300
  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 Trius Pro
  37. Starlight Xpress UltraStar
  38. ZWO ASI071
  39. ZWO ASI120
  40. ZWO ASI1600
  41. ZWO ASI174
  42. ZWO ASI178
  43. ZWO ASI183
  44. ZWO ASI224
  45. ZWO ASI290
  46. ZWO ASI294
  47. ZWO ASI385
Color or Monochrome Camera?
  1. Monochrome
  2. Color
Camera Accessory Type
  1. (D)SLR or Mirrorless T or C Rings
  2. Smartphone & Point-and-Shoot Adapters
  3. Camera Lens Adapters
  4. Eyepiece Projection Adapters
  5. Piggy Back Adapters
  6. Camera Angle Adjusters
  7. AllSky/Zoom C/CS Lenses
  8. Camera Holder Rings & Accessories
  9. Spectrographs
  10. Video Astronomy Accessories
DSLR, SLR or Mirrorless Adapters by Brand
  1. Canon
  2. Canon Mirrorless
  3. Nikon
  4. Olympus/Micro 4/3
  5. Pentax
  6. Sony
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
Finder Type
  1. Optical Finder - Angled
  2. Optical Finder - Straight Through
  3. Red Dot Finder
Finder Accessories
  1. Finder Rings & Brackets
  2. Bases & Adapters
  3. Illuminators
  4. 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
  10. Electronic/Automatic Focuser
Optical Modifier or Adapter
  1. Coma Corrector
  2. Field Flattener
  3. Hyperstar
  4. Reducer
  5. Reducer/Field Flattener
  6. Adapter
Binoviewer or Accessory?
  1. Binoviewer
  2. Binoviewer Accessory
Type of Learning Material
  1. Books
  2. Novelty Items
  3. Planispheres & Charts
  4. Software
  5. Videos
Counterweight Type
  1. Counterweights for Mounts
  2. Counterweights for Optical Tubes
  3. Counterweight Systems & Sets
  4. Counterweight Shafts & Bars
Collimation Tool Type
  1. Laser Collimators
  2. Barlowed Collimators
  3. Bob's Knobs
  4. Cheshire/LitePipe Collimators
  5. Collimation Accessories
Type of Mounting Hardware
  1. Dovetail
  2. Saddle Plate
  3. Dovetail/Saddle Kit
  4. Dovetail with Adapter
  5. Dovetail with Riser/Radius Blocks
  6. Dovetail/Mount Adapter Only
  7. Riser/Radius Blocks
  8. Dovetail Handle
Dovetail, Saddle or Mounting Plate Length Range
  1. Up to 4"
  2. 4.1" - 7.9"
  3. 8" - 12.9"
  4. 13" & Up
Dovetail, Saddle or Adapter Series
  1. Manfrotto/Arca Swiss
  2. Mini
  3. V-Series (Vixen)
  4. D-Series (Losmandy)
  5. Dual (D & V)
  6. Oversized
Mounting Ring Size Range
  1. Up to 4"
  2. 4.1" - 6"
  3. 6.1" & Up
  4. Custom
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 LS130
  10. Lunt LS152
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
Wavelength
  1. White Light
  2. H-Alpha
  3. Calcium-K
Binoculars by Series
  1. Bresser Condor
  2. Celestron Cavalry
  3. Celestron Cometron
  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 Diamondback
  18. Vortex Kaibab
  19. Vortex Lightning
  20. Vortex Raptor
  21. Vortex Razor
  22. Vortex Recce Pro
  23. Vortex Recon
  24. Vortex Solo
  25. Vortex Vanquish
  26. Vortex Viper
  27. Vortex Vulture
  28. William Optics Semi APO
  29. Zhumell Binoculars
Binoculars by Body Size
  1. Compact Binoculars
  2. Mid-Sized Binoculars
  3. Big Binoculars
  4. Giant Binoculars
  5. Monoculars
Microscope Product Type
  1. Optical Microscope
  2. Digital Microscope
  3. Slides & Cover Slips
  4. Microscope Accessories
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. Vixen Optics Geoma ED
  11. Vortex Diamondback
  12. 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
Rifle Scope Series
  1. Barska Huntmaster Pro
Scope, Red Dot or Accessory?
  1. Riflescopes
Rifle Scope Optics Size
  1. 24mm
Price
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