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Celestron Celestron SkyPortal WiFi Module
Dual-Band WiFi Performance now supporting 2.4 GHz & 5 GHz WiFi networks!
Get WiFi Access to the Universe with the SkyPortal WiFi Module
Celestron's SkyPortal WiFi Module turns your smartphone or tablet into your own personal planetarium and observatory!
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Celestron SkyPortal WiFi Module
$143.95
David Levy Planisphere 11 inch for Southern Hemisphere
The 11-inch diameter plastic star chart is for use in the SOUTHEN hemisphere (latitudes 30° to 60° South)
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David Levy Planisphere 11 inch for Southern Hemisphere
$24.95
Arcturus Antares .965-1.25 Hybrid Mirror Diagonal -MSDH
Would you like to upgrade that .965" drawtube refractor to accept 1.25" eyepieces? Here's exactly what you need!
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Antares .965-1.25 Hybrid Mirror Diagonal -MSDH
$40.00
ZWO ZWO NEW 7-Position EFW Color Filter Wheel for 36mm Filters - EFW-7X36-II
Our latest EFW (Electronic Filter Wheel), larger than the previous but still low on weight. Only 400 grams (14 oz)!
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ZWO NEW 7-Position EFW Color Filter Wheel for 36mm Filters - EFW-7X36-II
$299.00
Dew-Not DN004 Heater For 3 inch (7.6cm) scopes
Length: 13" (33 cm)
Watts: 6
Voltage: 12v
Amperage: .5 amp
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DN004 Heater For 3 inch (7.6cm) scopes
$42.00
Arcturus Arcturus CPRO600 Deluxe Astro Chair
Other observing chairs tend to cause fatigue due to the uncomfortable posture they promote.
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Arcturus CPRO600 Deluxe Astro Chair
$399.00
Nikon Nikon AI-S NIKKOR 50mm F/1.2 Lens MINT!
The Nikon AI-S Nikkor 50mm f/1.2 is a highly regarded fast manual-focus lens offering exceptional low-light capability and the classic rendering associated with Nikon's legendary Nikkor optics.
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Nikon AI-S NIKKOR 50mm F/1.2 Lens MINT!
$550.00
Zhumell Zhumell 14.5mm Long Eye Relief (LER) 1.25 Eyepiece (Pre-owned)
Zhumell 14.5mm Long Eye Relief (LER) 1.25 Eyepiece (Pre-owned)
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Zhumell 14.5mm Long Eye Relief (LER) 1.25 Eyepiece (Pre-owned)
$69.99
Zhumell Zhumell 6mm Long Eye Relief (LER) 1.25 Eyepiece (Pre-owned)
Zhumell 6mm Long Eye Relief (LER) 1.25 Eyepiece (Pre-owned)
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Zhumell 6mm Long Eye Relief (LER) 1.25 Eyepiece (Pre-owned)
$69.99
Explore Scientific Explore Scientific Twilight I Alt-Az Mount with Tripod (Pre-owned)
Explore Scientific Twilight I Alt-Az Mount with Tripod (Pre-owned)
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Explore Scientific Twilight I Alt-Az Mount with Tripod (Pre-owned)
$275.00
iOptron IOptron Versa 108 Doublet ED APO Refractor with Case (Pre-owned)
IOptron Versa 108 Doublet ED APO Refractor with Case (Pre-owned)
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IOptron Versa 108 Doublet ED APO Refractor with Case (Pre-owned)
$700.00
Counterweight Bar 12mm Diameter for CG2 Mount and similar
Counterweight Bar 12mm Diameter for CG2 Mount and similar
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Counterweight Bar 12mm Diameter for CG2 Mount and similar
$29.99
Celestron Celestron Astromaster 130mm Newtonian OPTICAL TUBE ONLY - NO MOUNTING RINGS (Pre-owned)
A Celestron AstroMaster 130mm Newtonian reflector optical tube offering a 130mm aperture and 650mm focal length.
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Celestron Astromaster 130mm Newtonian OPTICAL TUBE ONLY - NO MOUNTING RINGS (Pre-owned)
$99.00
Mamiya Mamiya RZ67 Medium Format SLR Camera with AE Prism finder , Waist Level Finder, 120 and 220 Back
Mamiya RZ67 Medium Format SLR Camera with AE Prism finder , Waist Level Finder, 120 and 220 Back
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Mamiya RZ67 Medium Format SLR Camera with AE Prism finder , Waist Level Finder, 120 and 220 Back
$1,099.99
DayStar Daystar 80mm f/6 Refractor D80/F480 (Pre-owned)
DayStar 480 80mm f/6 Doublet Refractor Telescope OTA - D80OTA
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Daystar 80mm f/6 Refractor D80/F480 (Pre-owned)
$299.00
JMI JMI Motofocus (Handcontroller and motor-FULLY TESTED)
JMI Motofocus (Handcontroller and motor - FULLY TESTED)
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JMI Motofocus (Handcontroller and motor-FULLY TESTED)
$79.95
Burgess Optical Burgess 1.25'' TMB 6mm Wide Angle HD 58 Degree Planetary Eyepiece (Pre-owned)
Burgess 1.25'' TMB 6mm Wide Angle HD 58 Degree Planetary Eyepiece (Pre-owned)
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Burgess 1.25'' TMB 6mm Wide Angle HD 58 Degree Planetary Eyepiece (Pre-owned)
$59.99
Tele Vue Tele vue 4.8mm Nagler (Pre-owned)
Tele vue 4.8mm Nagler (Pre-owned)
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Tele vue 4.8mm Nagler (Pre-owned)
$129.00
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
Vintage Unbranded Equatorial Head Only (AS_IS-might be missing some parts))
Vintage Unbranded Equatorial Head Only - May be missing parts. Being sold as-is.
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Vintage Unbranded Equatorial Head Only (AS_IS-might be missing some parts))
$250.00
Bronica Zenza Bronica S2 6x6 with Nikkor-P 7.5cm f2.8 (Pre-Owned)
Zenza Bronica S2 6x6 with Nikkor-P 7.5cm f2.8 (Pre-Owned)
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Zenza Bronica S2 6x6 with Nikkor-P 7.5cm f2.8 (Pre-Owned)
$349.00
Mamiya Mamiya Super 23 w/ 100mm f3.5 (Pre-Owned)
Mamiya Super 23 w/ 100mm f3.5 (Pre-Owned)
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Mamiya Super 23 w/ 100mm f3.5 (Pre-Owned)
$375.00
ZipString Aracna
The world’s first string-launching webshooter! Launch, fly, and retract a glowing loop of string. Your superhero adventure starts now.
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ZipString Aracna
$39.99
Peterson Engineering EZ Focus
Remove focuser backlash and reduce image shift in Meade SCTs
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Peterson Engineering EZ Focus
$29.99