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Cool Edge - SCT Cooler - 8"
Starizona$189.00The Starizona Cool Edge was named one of Sky & Telescope's Hot Products for 2012! This innovative product from Starizona is designed t...
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HyperStar Conversion Kit - Celestron 14" SCT
Starizonafrom $350.00This kit allows a non-HyperStar-compatible SCT to be converted into a compatible telescope. The kit includes three components that replace the orig...
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1.25" Nose Piece Camera Adapter
Starizona$18.95Use this adapter to connect a T-ring or T-mount camera to a 1.25" focuser. Low profile design keeps backfocus short. Threaded for standard 1.25" fi...
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Original price $399.00Current price $359.00In Stock -
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HyperStar Conversion Kit - C14 - Gasket
Starizona$15.00Sorbothane gasket used in HyperStar conversion kit for Celestron 14" SCTs. Useful for retrofitting a factory-installed Fastar secondary assembly so...
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ZWO M42-M48 Extender (16.5mm Length)
ZWO$18.00Female M48 threads, male M42 threads, 16.5mm long. Same as the adapter included with most ZWO cooled cameras.
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Original price $229.00Current price $206.00In Stock -
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RASA 8 Filter Holder - M54 Threads
Starizona$89.95The RASA 8 Filter Holder allows the use of 2" filters on Celestron's RASA 8" telescope with a camera using M54 threads and having a 17.5mm backfocu...
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Autofocus Kit for Sky-Watcher HAC125 DX and ZWO EAF
Starizona$49.00Add an EAF to your Sky-Watcher HAC125 DX! This kit includes a pulley that fits on the focus knob on the back of the HAC125 and a belt to drive it ...
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ALUMINUM DEW SHIELD WITH COVER CAP - 11"
Celestron$259.95Fits 11” Schmidt-Cassegrain, EdgeHD, and RASA telescope tubes Helps prevent dew formation on the Schmidt corrector lens Prevents off-axis glare f...
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DSLR Red Dot Finder Bracket - Canon EOS
Starizona$12.95Use this sturdy, 3D-printed plastic bracket to attach a standard red-dot type finderscope to the flash hot shoe on top of your Canon DSLR. The find...
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Low-Profile Motor Gear Replacement
starizona$21.95This is a replacement gear. Starizona Motors come with the needed gears to use them.
$21.95In Stock -
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Ricoh Pentax 8.5x21 Papilio Binoculars
Pentax$149.00Named for the Latin word for butterfly, PENTAX Papilio 8.5x21 binoculars are the perfect choice for insect observation in the field and in museums ...
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9.25-Inch Dovetail Bar (CGE)
Celestron$59.95Dovetail for mounting a Celestron 9.25" SCT to a Celestron CGE-style or Losmandy D-style saddle plate or for piggybacking a guidescope or camera.
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Askar 0.8x Full Frame Reducer / Flattener for 103APO Telescope
Askar$219.00The Askar 103 APO comes with three optional premium accessories, a 1.0x flattener, a 0.8x reducer, and a 0.6x reducer. Introduced here is the 0.8x ...
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M48 Female to Filter Slider Adapter - 20mm Long
starizona$40.0020mm adapter that connects Starizona's Filter Slider to an M48 thread. The adapter has female M48x0.75 threads on the telescope side and male Filte...
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ZWO DOVE-AIR
ZWO$39.00Dovetail Groove for ASIAIR PLUS The dovetail groove is designed for ASIAIR PLUS to connect Vixen dovetail plate. It can help achieve more convenie...
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Counterweight Set - Celestron CPC-925 SCT - Complete Set
Starizona$229.00Accurate balance is necessary for the best telescope performance. Adding heavy accessories such as 2" eyepieces or cameras to a scope requires the ...
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Baader 6.5nm f/2 Highspeed Filter Set – CMOS-optimized (H-alpha, O-III, S-II)
Baader Planetariumfrom $548.00Baader H-alpha / O-III / S-II f / 2 Highspeed Filter Set - Precision Grade 6.5 nm FWHM, recommended for extremely fast optical systems from f / 3...
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SeeStar TH10 Fluid Tripod Head
ZWO$79.00Seestar TH10 hydraulic tripod head is specially designed for use with Seestar smart telescopes in equatorial mode. It also compatible with most ...
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Askar 71F 71mm f/6.9 Quadruplet Flat-Field Astrograph Telescope
Askar$659.00Product introduction 71mm aperture 490mm focal length Quadruplet APO design 1 piece ED glass Supporting full frame No...
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Askar 0.6x Full Frame Reducer / Flattener for 103APO Telescope
Askar$329.00The Askar 103 APO comes with three optional premium accessories, a 1.0x flattener, a 0.8x reducer, and a 0.6x reducer. Introduced here is the 0.6x ...
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SCT - 2" Adapter
Starizona$29.95Use this adapter to attach accessories with standard SCT female threads (such as a focal reducer) to a 2" focuser or visual back. This adapter has ...
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HyperStar Conversion Kit - C6 - Gasket
Starizona$12.00Sorbothane gasket used in HyperStar conversion kit for Celestron 6" SCTs. Useful for retrofitting a factory-installed Fastar secondary assembly so ...
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DEW HEATER RING - 8"
Celestron$55.95Heater ring provides the most efficient heating directly to the corrector lens to prevent the formation of dew Permanently mounts to your existin...
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$59.95In Stock -
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Celestron SkyMaster Pro ED 7x50 Porro Binoculars
Celestron$219.95Celestron’s legendary SkyMaster binoculars get an upgrade with ED objective lenses for superior images virtually free of chromatic aberration wit...
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Celestron CGE Universal Mounting Plate
Celestron$83.95Attach a variety of accessories to your CGEM or CGE-style mount with this Universal Mounting Plate. Several different mounting holes to choose from...
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Baader 6.5nm Narrowband Filter Set – CMOS-optimized (H-alpha, O-III, S-II)
Baader Planetariumfrom $512.00Baader H-alpha / O-III / S-II Narrowband Filter Set - Precision Grade 6.5 nm FWHM, recommended for optical systems from f / 10 to f / 3.5 Reflex-...
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DIELECTRIC STAR DIAGONAL, 2” WITH TWIST-LOCK
Celestron$259.95Enjoy better views through your telescope with this premium diagonal featuring diffraction-limited optics and dielectric coatings Provides a 90° ...
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Adapter for HyperStar 11/9.25 and ZWO M42 Filter Drawer for ZWO Cooled Cameras
starizona$69.95Adapter for HyperStar 11 or HyperStar 9.25 and ZWO M42 Filter Drawer for ZWO Cooled Cameras
$69.95In Stock -
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2025 Deep Space Mysteries Calendar
Astronomy Magazine$12.99Astronomy’s Deep Space Mysteries calendar is back! The world's best-selling astronomy magazine brings you a calendar filled with stunning images, d...
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Celestron Lens Pen - Optics Cleaning Tool
Celestron$12.95Keep your optics clean with the innovative LensPen Use the soft retractable brush for removing loose particles and dust Clean smudges, fingerprin...
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ZWO DC Y Splitter Cable
ZWO$9.90The DC Y Splitter cable is a good quality DC cable that contains pure copper as the wire core. Usage: By having two female connections it makes it ...
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ALUMINUM DEW SHIELD WITH COVER CAP - 6"
Celestron$114.95Helps prevent dew formation on the Schmidt corrector lens Prevents off-axis glare from entering the optical system Rigid body with a velvet-lined...
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Askar AF Kit for SQA55 Refractor
Askar$87.00The SQA55 AF Kit is an astronomical accessory specially designed for the SQA55, which can be used with almost all brands of electronic focusers to ...
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Celestron Binocular Tripod Adapter
Celestron$19.95This adapter allows you to mount your binocular (porro or roof) to a tripod for added stability and convenience This useful adapter attaches to...
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2026 Deep Space Mysteries Calendar
Astronomy Magazine$16.99Astronomy’s Deep Space Mysteries calendar is back for 2026! The world's best-selling astronomy magazine brings you a calendar filled with stunning ...
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ZWO ASI 174MM Monochrome Camera
ZWO$599.00Our popular ASI174MM CMOS Monochrome Imaging Camera is based on the Sony Exmor IMX174 2.35MP sensor with Pregius global shutter technology. Sony...
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ZWO 11mm T2-T2 Camera Adapter Ring
ZWO$18.00Name: Female T2 to T2 (11mm) Thread: M42*0.75 female to female thread Match Model: ASI1600, ASI294, ASI533, ASI183 Size: M42*0.75 Note: Camera in ...
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CAA M42 Male Adapter Plate
Starizona$29.95The CAA M42 Male Adapter Plate by Starizona allows for easy adaptation to the ZWO CAA Rotator, providing male M42 threads. Made in the USA, this th...
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PE200 to EQ6 Tripod Adapter
Starizona$39.95Use this adapter to attach a ZWO PE200 pier extension to a Skywatcher EQ6 tripod. It works with either a standard EQ6 white tripod or the black EQ...
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$18.00In Stock -
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Antlia 4.5nm Narrowband Sulfur II (SII) EDGE Filter - 2'' Mounted
Antlia$319.00Antlia SII EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4.5nm bandpass. The suppression of optical density (OD)5 on unwan...
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2" Nosepiece for SkyWatcher EvoStar ED Reducer
Starizona$49.00This adapter threads into the front (telescope side) threads of the SkyWatcher EvoStar ED focal reducer, allowing the reducer to be placed directly...
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Ricoh Pentax 6.5x21 Papilio Binoculars
Pentax$129.00Named for the Latin word for butterfly, PENTAX Papilio 6.5x21 binoculars are the perfect choice for insect observation in the field and in museums ...
View full details$129.00In Stock -
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ZWO M54M-M48F-2mm Adapter
ZWO$12.00M54-M48-2mm adapter is independently developed by ZWO and mainly used for connecting to 2”EFW and M54 filter drawer.
$12.00In Stock -
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NexYZ 3-Axis Universal Smartphone Adapter
Celestron$66.95The NexYZ 3-Axis Universal Smartphone Adapter is a great first step into the world of astroimaging or digiscoping. The NexYZ provides you everythin...
View full details$66.95In Stock