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Celestron Celestron StarSense AutoAlign
Become an instant astronomer, even if you’ve never used a telescope before, with the one-of-a-kind StarSense AutoAlign.
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Celestron StarSense AutoAlign
$479.00
Tele Vue 3-6mm Click-Stop Zoom Nagler Eyepiece - 1.25
One of the best planetary eyepieces available anywhere: the 3mm-6mm Nagler ZOOM!!!
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Tele Vue 3-6mm Click-Stop Zoom Nagler Eyepiece - 1.25
$487.00
Takahashi Takahashi Abbe Orthoscopic 6mm Eyepiece
The Takahashi Abbe eyepieces are true to the original Abbe design.
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Takahashi Abbe Orthoscopic 6mm Eyepiece
$185.00
Celestron Celestron Plossl 1.25" Eyepiece & Filter Kit
This 1.25” Eyepiece & Filter Kit includes fourteen (14) accessories that will add new life to your telescope and your observing!
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Celestron Plossl 1.25" Eyepiece & Filter Kit
$239.95
Celestron Celestron Outland X 8x42 Binocular
The optics are multi-coated to obtain high resolution and high contrast views. The prism are made of BaK-4 glass to give you enhanced color fidelity.
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Celestron Outland X 8x42 Binocular
$109.95
Celestron Celestron Cometron 7x50
The large 50 mm objective lenses and multi-coated optics offer amazing light-gathering capabilities that bring celestial objects into bright, sharp focus, making them ideal for comet watching, stargazing, and viewing craters on the Moon.
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Celestron Cometron 7x50
$47.95
Antares Optical Antares 2 inch SCT Low Profile Rack & PInion with Linear Bearings - 2 Speed Focuser
Upgrade the focusing precision of an SCT telescope with our new Antares Low-Profile Dual-Speed Hybrid Focuser.
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Antares 2 inch SCT Low Profile Rack & PInion with Linear Bearings - 2 Speed Focuser
$249.99
Celestron Celestron PowerTank Lithium
Portable power pack for your computerized Celestron telescope using Lithium Iron Phosphate (LiFePO4) chemistry
Smaller, lighter, safer, and easier to maintain than lithium-ion and sealed lead acid designs
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Celestron PowerTank Lithium
$149.96
Criterion Criterion Ortho 4mm 1.25" Vintage Eyepiece - Circle Y
Criterion Ortho 4mm 1.25" Vintage Eyepiece - Circle Y
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Criterion Ortho 4mm 1.25" Vintage Eyepiece - Circle Y
$59.00
ZWO ZWO FF110 APO Flat-Field Apochromatic Refractor
FF110 APO Flat-Field Apochromatic Refractor
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ZWO FF110 APO Flat-Field Apochromatic Refractor
$1,499.00
Nikon [NEAR MINT] Nikon Ai-S Ais NIKKOR 35mm F2 Wide Angle MF Lens F Mount
[NEAR MINT] Nikon Ai-S Ais NIKKOR 35mm F2 Wide Angle MF Lens F Mount
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[NEAR MINT] Nikon Ai-S Ais NIKKOR 35mm F2 Wide Angle MF Lens F Mount
$250.00
Nikon AI-S NIKKOR 50mm F/1.2 Lens MINT!
Nikon AI-S NIKKOR 50mm F/1.2 Lens MINT!
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Nikon AI-S NIKKOR 50mm F/1.2 Lens MINT!
$550.00
Fuji Fujinon TS 180mm f5.6 Lens to fit Fujica GL690 GM670 (Pre-owned)
Fuji Fujinon TS 180mm f5.6 Lens to fit Fujica GL690 GM670 (Pre-owned)
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Fuji Fujinon TS 180mm f5.6 Lens to fit Fujica GL690 GM670 (Pre-owned)
$549.99
Nikon Nikon Nikkor 28mm f2.8D AF Lens 1:2.8 D Wide Angle Prime Lens (Pre-owned)
Nikon Nikkor 28mm f2.8D AF Lens 1:2.8 D Wide Angle Prime Lens (Pre-owned)
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Nikon Nikkor 28mm f2.8D AF Lens 1:2.8 D Wide Angle Prime Lens (Pre-owned)
$149.95
Nikon AF Nikkor 70-210mm f/4-5.6 D lens (Pre-owned)
the Nikon AF Nikkor 35-80mm f/4-5.6D lens works on digital Nikon cameras, but how it works depends on your specific camera model
Nikon AF Nikkor 70-210mm f/4-5.6 D lens (Pre-owned)
$175.00
Zenit Zenit 122 35mm Film Camera with Helios-44m-4 58mm F/ 1.2 Lens (Pre-Owned)
Zenit 122 35mm Film Camera with Helios-44m-4 58mm F/ 1.2 Lens (Pre-Owned)
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Zenit 122 35mm Film Camera with Helios-44m-4 58mm F/ 1.2 Lens (Pre-Owned)
$149.95
Ioptron Tri-Pier (Pre-Owned)
Ioptron Tri-Pier (Pre-Owned)
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Ioptron Tri-Pier (Pre-Owned)
$450.00
Galileo 102mm Newtonian Reflector with Equatorial Mount and Tripod (Pre-owned)
Galileo 102mm Newtonian Reflector with Equatorial Mount and Tripod (Pre-owned)
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Galileo 102mm Newtonian Reflector with Equatorial Mount and Tripod (Pre-owned)
$149.00
Coronado Coronado Solarmax 60 with BF15 Blocking Filter, Sol Ranger, Hard Case and Mounting RIng
Coronado Solarmax 60 with BF15 Blocking Filter, Sol Ranger, Hard Case and Mounting RIng
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Coronado Solarmax 60 with BF15 Blocking Filter, Sol Ranger, Hard Case and Mounting RIng
$999.99
Sigma Sigma Af 100-300mm f4.5-6.7 Nikon AF Digital (Pre-owned)
This compact zoom will make for quick, lightweight birding and wildlife photography. 
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Sigma Af 100-300mm f4.5-6.7 Nikon AF Digital (Pre-owned)
$169.00
Questar Questar 700 f/8 telephoto mirror (Pre-owned) No. 10660
Questar 700 f/8 telephoto mirror (Pre-owned) No. 10660
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Questar 700 f/8 telephoto mirror (Pre-owned) No. 10660
$1,200.00
Canon Rare Vintage Canon Canonet 28 Rangefinder 35mm Photo Film Camera
Rare Vintage Canon Canonet 28 Rangefinder 35mm Photo Film Camera
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Rare Vintage Canon Canonet 28 Rangefinder 35mm Photo Film Camera
$99.95
Lunt Lunt LS100MT Premium Kit - 100mm Double Stack Modular Telescope
Maximum aperture meets maximum contrast. The finest 100mm solar telescope Lunt makes.
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Lunt LS100MT Premium Kit - 100mm Double Stack Modular Telescope
$5,795.00
Lumicon LUMICON 80mm Super finder system (Pre-owned)
A brilliant, oversized hybrid finderscope/wide field astrophotography scope
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LUMICON 80mm Super finder system (Pre-owned)
$349.99