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Manufacturer
- ADM
- Apertura
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- Dew-Not
- Explore Scientific
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- High Point
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- iOptron
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- Konus
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- Lumicon
- Lunt Solar Systems
- Meade
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- Pacific Design
- Parallax Instruments
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- Pentax
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- QSI Imaging
- Revolution
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- ScopeTronix
- Simulation Curriculum
- Sirius Technologies
- Sky Engineering
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- Software Bisque
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- Tasco
- Tele Vue
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- Vanguard
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- Vortex Optics
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- ZWO Astronomy Cameras
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Binocular or Accessory Type
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Case, Cover, Shroud or Accessory Type
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Collimator Type
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Color or Monochrome Camera?
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Counterweight or Accessory Type
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Finder or Guidescope Type
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Optical Design
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Power Accessory Type
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Single Adapter or Adapter Kit
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Single Filter, Set, or Accessory
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Standard or Speciality Eyepiece?
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Type of Dew or Moisture Product
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Type of Mounting Hardware
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Type of Solar Accessory
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Adapter Connector Type - Side A
- 1.25"
- 2.4"
- 2.7" AP
- 37 mm
- 3.3"
- 3.5"
- 42 mm Unthreaded
- 4-Through Hole
- 50 mm
- 60 SV
- C or CS
- Custom
- ETX 60-80
- ETX 90-125/NX4
- Female 72 mm
- Large SCT (3.25", 3.28", or 3.3")
- M109
- M117
- M36.4
- M43
- M44
- M52
- M54
- M56
- M63
- M68
- M69
- M72
- M75
- M81
- M84
- M88.5
- M90
- M92
- M98
- Male T-Thread
- Orion 2" Crayford Focuser
- Pentax (M42x1)
- Powermate
- Ring Clamp
- SBIG (2.156")
- SESTO SENSO
- Small SCT (2")
- T or T2 (M42)
- Variety of Connectors
- Wide T or T2 (M48)
- 2"
- 3"
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Aperture Range in Inches
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Binoculars by Magnification
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Cable or Adapter Type
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Dew Shield/Cap Diameter Range
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Dovetail or Attachment Type
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Fits Products by These Manufacturers
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Focal Length Range
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Knobs for Telescopes By
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Optical Aperture
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Parts for Type of Product
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Weight Range of All Included Counterweights
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Adapter Connector Type - Side B
- 1.25"
- 2"
- 2.4"
- 2" Push-In
- 33 mm
- 37 mm
- 3.3"
- 3.5"
- 42 mm Unthreaded
- 4-Through Hole
- 50 mm x 0.75 Pitch
- 6-Screw Hole
- 6-Through Hole
- 72 mm Extension Tube
- C or CS
- Female 52 mm
- Flange
- FLI Microline
- HyperStar
- Large SCT (3.25", 3.28", or 3.3")
- M109
- M117
- M36.4
- M48
- M51
- M52
- M54
- M57
- M63
- M64
- M68
- M69
- M72
- M88.5
- M90
- M92
- M98
- RASA
- Ring Clamp
- S68
- SBIG (2.156")
- Small SCT (2")
- T or T2 (M42)
- Takahashi FSQ85
- Variety of Connectors
- Wide T or T2 (48mm)
- 3"
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Binoculars by Aperture
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Collimation Accessories by Type
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Dovetail, Saddle or Mounting Plate Length Range
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Field of View Range
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Filter Type
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Finder or Guidescope Magnification
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Focal Ratio Range
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Heater Element Length Range
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Parts by Series, Model or Group
- 1.25" Barrel Accessories
- 2" Barrel Accessories
- Apertura Dobsonians
- Celestron Advanced GT
- Celestron Advanced VX
- Celestron CGE
- Celestron CGE Pro
- Celestron CGEM
- Celestron CPC/CPC DX
- Celestron CrossAim
- Celestron Evolution
- Celestron Finders
- Celestron NexStar SE
- Celestron PowerTank Lithium
- Celestron StarSense
- Celestron Ultima
- Explore Scientific Refractors
- iOptron Controllers
- iOptron Mounts
- Losmandy Mounts & Tripods
- Meade LightBridge
- Meade LX200-ACF, LX850-ACF, or LX600-ACF
- Meade LX90, ETX 90-125 & LXD75
- Orion Telescopes, Mounts & Accessories
- Rigel PulsGuide
- Starlight Xpress Cameras
- Tele Vue Telescopes & Accessories
- Telrad Finder
- Wide Range of Products
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Adapter or Spacer Length Range
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Barrel Size
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Filter Size
- 100 mm & Up
- 27 mm
- 31.75 mm (1.25")
- 31 mm
- 36 mm
- 42 mm
- 43 mm
- 48 mm
- 50.4 mm
- 50.8 mm (2")
- 50 mm
- 65 mm
- 72 mm RASA
- 77 mm
- 82 mm
- C Mount
- EOS APS Clip
- EOS Full Frame Clip
- EOS M Clip
- EOS XT APS Clip
- M42 x 0.75 mm (T-Thread)
- M52
- Nikon Full Frame Clip
- Pentax K1 Clip
- SCT Rear Cell
- Select Canon EOS DSLR Sensors
- Sony Alpha 7 Clip
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Focal Length Range
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Filter Shape
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Imaging Camera Series
- Atik 11000
- Atik 16200
- Atik 314
- Atik 383
- Atik 4000
- Atik 4120EX
- Atik 414EX
- Atik 428
- Atik 460
- Atik 490 EX
- Atik GP
- Atik Horizon
- Atik Infinity
- Atik One
- Atik One and GP Combo
- Atik Titan
- Celestron NexGuide
- Celestron NexImage
- Celestron Skyris
- iOptron iE1300
- iOptron iE5100
- Meade DSI-IV
- Meade LPI-G
- Orion Starshoot
- QHY Color
- QHY Cooled Color
- QHY Cooled Mono
- QHY Mono
- QSI 6120
- QSI 640
- QSI 660
- QSI 683
- QSI 690
- Revolution Imager R2
- Starlight Xpress Lodestar
- Starlight Xpress Oculus
- Starlight Xpress SuperStar
- Starlight Xpress Trius
- Starlight Xpress Trius Pro
- Starlight Xpress UltraStar
- ZWO ASI071
- ZWO ASI120
- ZWO ASI128MC Pro
- ZWO ASI1600
- ZWO ASI174
- ZWO ASI178
- ZWO ASI183
- ZWO ASI224
- ZWO ASI290
- ZWO ASI294
- ZWO ASI385
- ZWO ASI533MC Pro
- ZWO ASI6200MC Pro
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Telescope Mount Type
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Cooled or Uncooled
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Eyepiece Series
- Apertura Plossl
- Apertura Super View
- Apertura Super Wide Angle
- Apertura Zoom
- Baader Classic Ortho
- Baader Hyperion
- Baader Morpheus
- Baader Polaris
- Celestron Eyepiece Kits
- Celestron Luminos
- Celestron Omni
- Celestron Speciality Eyepieces
- Celestron X-Cel LX
- Celestron Zoom
- Coronado Cemax
- Explore 100°
- Explore 120°
- Explore 52º
- Explore 62º
- Explore 68°
- Explore 82º
- Explore 92º
- High Point Plossl
- High Point SuperView
- iOptron
- Lunt Solar Eyepiece
- Meade Mega Wide Angle MWA
- Meade Series 4000 Plossl
- Meade Series 5000 Plossl
- Meade Speciality Eyepieces
- Meade Ultra Wide Angle
- Meade Zoom
- Orion DeepView
- Orion Edge-On
- Orion Expanse
- Orion LHD
- Orion Q70
- Orion Sirius Plossl
- Orion Speciality Eyepieces
- Orion Stratus
- Orion Zoom
- Pentax SMC
- Pentax XF
- Pentax XW
- Rigel
- Stellarvue Optimus
- Stellarvue Planetary
- Stellarvue Reticle
- Stellarvue Wide Angle
- Takahashi UW
- Tele Vue DeLite
- Tele Vue Delos
- Tele Vue Ethos
- Tele Vue Nagler
- Tele Vue Panoptic
- Tele Vue Plossl
- Tele Vue Zoom
- William Optics CatEye
- William Optics Super Planetary
- William Optics Super Wide Angle
- William Optics XWA Eyepieces
- Zhumell Eyepieces
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Telescope Series
- Apertura Dobsonians
- Apertura Imaging Newtonians
- Apertura Newtonians
- Apertura Refractors
- Celestron Advanced
- Celestron Advanced VX
- Celestron Ambassador
- Celestron AstroFi
- Celestron AstroMaster
- Celestron CGEM II
- Celestron CGX
- Celestron CGX-L
- Celestron Cometron
- Celestron CPC
- Celestron ExploraScope
- Celestron FirstScope
- Celestron Inspire
- Celestron LCM
- Celestron NexStar Evolution
- Celestron NexStar SE
- Celestron NexStar SLT
- Celestron Omni XLT
- Celestron OTA
- Celestron PowerSeeker
- Celestron RASA
- Celestron SkyProdigy
- Celestron Travel Scope
- Explore AR Air-Spaced Doublet
- Explore ED Air-Spaced Triplets
- Explore FCD100 APO
- Explore FirstLight
- Explore Reflectors
- Explore Truss Dobsonians
- GSO Imaging Newtonians
- GSO Ritchey-Chretiens
- iOptron Cube Pro
- iOptron Mak-Cassegrain OTA
- iOptron Photron
- iOptron SmartStar
- iOptron Urban
- iOptron Versa
- Meade EclipseView
- Meade ETX
- Meade Infinity
- Meade LightBridge
- Meade LS
- Meade LX200
- Meade LX600
- Meade LX65
- Meade LX85
- Meade LX850
- Meade LX90
- Meade Optical Tube Assemblies
- Meade Polaris
- Meade Series 6000
- Meade StarNavigator
- Meade StarPro AZ
- Orion Astrograph Newtonian
- Orion AstroView
- Orion Atlas
- Orion CT80
- Orion ED66
- Orion EON
- Orion Observer
- Orion Optical Tube Assembly
- Orion Sirius
- Orion SkyQuest XT
- Orion SkyQuest XX
- Orion SkyView Pro
- Orion SpaceProbe
- Orion StarBlast
- Orion StarMax
- Orion StarSeeker IV
- Sky-Watcher Classic Dobsonians
- Sky-Watcher Esprit
- Sky-Watcher Evostar Pro ED APO
- Sky-Watcher Flextube Dobsonian
- Sky-Watcher Flextube SynScan Dobsonians
- Sky-Watcher Heritage