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Zeikos Zeikos Professional HD 0.43X Super Wide Fisheye Lens
This is a 0.43x super wide fisheye lens compatible with 52/55/58/62/67/72mm lenses.
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Zeikos Professional HD 0.43X Super Wide Fisheye Lens
$69.99
PrimaLuceLab PrimaluceLab PLUS Support Rings
The PLUS support rings (available in 19 different sizes!) are designed to be used with various diameters of tube refractor telescopes. In this way, for example, you can install both above and below the optical tube our PLUS plates or even guide rings.
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PrimaluceLab PLUS Support Rings
$364.00
Explore Scientific Explore Scientific Twilight I Alt-Az Mount With Pier Extension (Pre-owned)
Pre-owned Explore Scientific Twilight I Alt-Az Mount With Pier Extension
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Explore Scientific Twilight I Alt-Az Mount With Pier Extension (Pre-owned)
$450.00
Explore Scientific Explore Scientific iEXOS-100 Equatorial Mount (Pre-Owned)
Explore Scientific iEXOS-100 Equatorial Mount - Pre-owned - working
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Explore Scientific iEXOS-100 Equatorial Mount (Pre-Owned)
$450.00
Buckeyestargazer Buckeyestargazer TriBahtinov Mask - Celestron C8 (including Ultima 2000)
A TriBahtinov mask operates under the same principle as the Bahtinov mask for focusing and adds the ability to collimate scopes with collimatable optics.  
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Buckeyestargazer TriBahtinov Mask - Celestron C8 (including Ultima 2000)
$27.00
Optolong Optolong CLS Filter
The CLS (City Light Suppression) broadband filter is designed to improve the visibility of various deepsky objects.
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Optolong CLS Filter
$55.00
DayStar Daystar SOL-60 H-alpha Telescope
NEW Daystar SOL-60 H-alpha Telescope
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Daystar SOL-60 H-alpha Telescope
$1,995.00
Meade Meade EC Hand Controller For ETX Telescopes Fully Tested!
Original Meade 494 AutoStar with 8 pin coiled cord.
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Meade EC Hand Controller For ETX Telescopes Fully Tested!
$39.00
Adjustment knob for manual fine adjustment on Vixen, Skywatcher etc. mounts LIMITED QUANTITIES
The adjustment knob is simply attached to the right ascension or declination axis
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Adjustment knob for manual fine adjustment on Vixen, Skywatcher etc. mounts LIMITED QUANTITIES
$19.00
iOptron iOptron AZ Mount Pro Head
Introducing the AZ Mount Pro featuring "level and go" intuitive GOTO setup.
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iOptron AZ Mount Pro Head
$1,419.00
Peterson Engineering EZ Focus
Remove focuser backlash and reduce image shift in Meade SCTs
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Peterson Engineering EZ Focus
$29.99
iOptron iOptron CEM26 Center balanced Equatorial Mount
iOptron’s new compact next-generation center-balance equatorial mounts
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iOptron CEM26 Center balanced Equatorial Mount
$1,699.00
Nikon Nikon DA-1 Black Action / Sport finder DA1 for F2 F2S F2AS F2 AS camera
Nikon DA-1 Black Action / Sport finder DA1 for F2 F2S F2AS F2 AS camera
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Nikon DA-1 Black Action / Sport finder DA1 for F2 F2S F2AS F2 AS camera
$140.00
Nikon Nikon Battery Charger MH-24 (Pre-owned)
Pre-owned Nikon Battery Charger MH-24
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Nikon Battery Charger MH-24 (Pre-owned)
$49.99
Nikon Nikon 1 V1 BODY ONLY with Nikon EN-EL15 battery + Nikon MH-25 battery charger (Pre-owned)
Nikon 1 V1 (body only) with Nikon EN-EL15 battery and Nikon MH-25 battery charger (Pre-owned)
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Nikon 1 V1 BODY ONLY with Nikon EN-EL15 battery + Nikon MH-25 battery charger (Pre-owned)
$159.00
Lunt Lunt 100mm Etalon Filter
The Lunt LS100FHa Solar Filter is a 100 mm aperture with a Root 3 non-centralized obstruction.
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Lunt 100mm Etalon Filter
$4,345.00
Lumicon Lumicon Deep Sky 2" to T Thread (Pre-owned)
Pre-owned Lumicon Deep Sky 2" Filter to T Thread
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Lumicon Deep Sky 2" to T Thread (Pre-owned)
$199.95
Astrodon Astrodon Light Pollution Luminance L2P_36R 36mm diameter (Pre-owned)
Pre-owned Astrodon Light Pollution Luminance L2P_36R 36mm diameter
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Astrodon Light Pollution Luminance L2P_36R 36mm diameter (Pre-owned)
$150.00
Case Logic Case Logic 10/14/SZ Cross Body Strap (OPEN BOX
Case Logic 10/14/SZ Cross Body Strap is a comfortable, adjustable shoulder strap designed to securely carry your camera or small bag hands-free.
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Case Logic 10/14/SZ Cross Body Strap (OPEN BOX
$19.95
ZWO ZWO EFW Filter Wheel - 5x1.25 - 25
A re-engineered internal design helps reduce light leakage, while the refined mechanics deliver smoother, more consistent rotation.
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ZWO EFW Filter Wheel - 5x1.25 - 25
$199.00
ZWO ZWO EFW Filter Wheel - 7x2 - 25
A re-engineered internal design helps reduce light leakage, while the refined mechanics deliver smoother, more consistent rotation.
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ZWO EFW Filter Wheel - 7x2 - 25
$399.00
William Optics William Optics Ultra-Cat 56 f/4.8 WIFD Petzval Refractor Telescope
Introducing the new William Optics Ultra-Cat 56 — a fast, f/4.8 Petzval refractor designed for wide-field astrophotography! This astrograph delivers flat, sharp images of expansive nebulae and star fields in a lightweight, highly portable package
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William Optics Ultra-Cat 56 f/4.8 WIFD Petzval Refractor Telescope
$1,398.00
Takahashi Takahashi FSQ85 Baby-Q refractor (Pre-owned)
A pre-owned Takahashi FSQ-85 “Baby-Q” in excellent working condition — a legendary wide-field astrograph that delivers breathtaking optical performance for both imaging and visual astronomy.
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Takahashi FSQ85 Baby-Q refractor (Pre-owned)
$3,000.00
Pegasus Astro PegasusAstro Ultimate Powerbox V2 with Adapter (Pre-owned)
A pre-owned PegasusAstro Ultimate PowerBox V2 is a powerful all-in-one power distribution and control hub that simplifies powering and managing your astrophotography gear. Adapter and other accessories included.
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PegasusAstro Ultimate Powerbox V2 with Adapter (Pre-owned)
$495.00