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Askar Askar ACL200 EAF Auto-Focus kit
Enables users to operate the lens together with ZWO’s EAF
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Askar ACL200 EAF Auto-Focus kit
$98.00
Celestron Celestron Aluminum 8" Dew Shield with Cover Cap - 94021
The Celestron Aluminum Dew Shield with Cover Cap is an essential accessory that protects your telescope tube in the field.
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Celestron Aluminum 8" Dew Shield with Cover Cap - 94021
$179.95
Celestron Celestron DEW HEATER RING - 14" - 94054
The Celestron Dew Heater Ring is the ideal dew prevention solution for your Celestron telescope.
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Celestron DEW HEATER RING - 14" - 94054
$164.95
Celestron Celestron DEW HEATER RING - 6" - 94050
The Celestron Dew Heater Ring is the ideal dew prevention solution for your Celestron telescope.
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Celestron DEW HEATER RING - 6" - 94050
$45.95
Askar Askar FRA500 90mm f/5.6 Quintuplet Petzval Flat-Field Astrograph - FRA500
Sharpstar Optics introduces Askar FRA500 astrograph, which is the youngest among the well-known FRA- family, to our customers.
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Askar FRA500 90mm f/5.6 Quintuplet Petzval Flat-Field Astrograph - FRA500
$1,999.00
ZWO ZWO TC40 Tripod for Harmonic Equatorial Mount AM5
ZWO has designed this lightweight, yet sturdy, carbon fiber tripod to be the perfect compliment for the ZWO AM5 Equatorial/Alt-Azimuth mount.
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ZWO TC40 Tripod for Harmonic Equatorial Mount AM5
$349.00
Meade Meade Plossl 12mm Illuminated Reticle (Wireless)
Ideal use during long-exposure astrophotography.
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Meade Plossl 12mm Illuminated Reticle (Wireless)
$79.99
Starizona NexStar SE Hand Control Bracket for Nexstar 6 or 8SE
The NexStar SE Bracket tilts the hand controller at a convenient 30-degree angle, making it easy to read the LCD and use the controller even while in the bracket.
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Starizona NexStar SE Hand Control Bracket for Nexstar 6 or 8SE
$14.95
Starizona MicroTouch Autofocuser - Wireless
All electronics in single hand-controller box -- no separate hub and extra cables. Wireless
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Starizona MicroTouch Autofocuser - Wireless
$629.00
Explore Scientific Explore Scientific Nebula Filter H-Alpha 2-inch 7nm
In addition to the turbulence in the air, the brightening of the night sky is the greatest obstacle to observing faint objects beyond the solar system. Street lights and other artificial lighting mean that the sky in human settlements is no longer properl
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Explore Scientific Nebula Filter H-Alpha 2-inch 7nm
$225.00
DeJur DeJur D-1 RARE 35mm Film Camera, German DeJur Staeble-Kata 50mm f2.8 Lens with Case (Pre-owned)
The lens itself is in a great condition. No fungus, dust or scratches. It shows minimal use. Comes with a case which is also in good condition.
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DeJur D-1 RARE 35mm Film Camera, German DeJur Staeble-Kata 50mm f2.8 Lens with Case (Pre-owned)
$175.00
Astrozap Eyepiece tray for ETX 90/105/125
Astrozap Eyepiece tray for ETX 90/105/125
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Astrozap Eyepiece tray for ETX 90/105/125
$99.95
Celestron Celestron Field Tripod for Nexstar GPS (Pre-owned)
Solid tripod with typical wear considering it's age. Totally functional- missing the tripod spreader.
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Celestron Field Tripod for Nexstar GPS (Pre-owned)
$249.00
Tele Vue Tele Vue 76 mm APO Refractor Telescope - Ivory
Producing natural stellar and planetary color rendition, the Tele Vue TV76 APO Refractor Telescope is a superb instrument
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Tele Vue 76 mm APO Refractor Telescope - Ivory
$1,734.00
DEEPSKYDAD Deep Sky DAD TS-OPTICS UNC V-POWER FOCUSER ADAPTER FOR AF3
Adapter for mounting AF3 autofocuser to the TS-Optics UNV V-Power focuser.
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Deep Sky DAD TS-OPTICS UNC V-POWER FOCUSER ADAPTER FOR AF3
$30.00
CPS 5 Year Accidental Digital Camera Warranty under $2000
The Best (and Cheapest!) Extended Warranty and Accidental Policy Protection for your Camera/Imager!
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CPS 5 Year Accidental Digital Camera Warranty under $2000
$169.99
Unihedron Sky Quality Meter-SQM
An affordable meter for measuring sky brightness for astronomers!
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Sky Quality Meter-SQM
$165.00
QHYCCD QHYCCD CFW3-XL Filter Wheel 9x50 or 7x50 Sq
QHYCCD Filter Wheel! Slot1: 9 position 2inch mounted/ 50mm unmounted
Slot2: 7 position 50mm*50mm square
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QHYCCD CFW3-XL Filter Wheel 9x50 or 7x50 Sq
$1,199.00
ZWO ZWO-OAG-L
OAG-L is the latest iteration of M68 OAG with a larger prism size of 12*12mm. The bigger clear aperture brings wider field of view in guiding ZWO-OAG-L is released now, it has a larger prism size of 12*12mm.The bigger clear aperture brings wider field of
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ZWO-OAG-L
$199.00
Askar Askar Vixen-Style Universal Dovetail Plate - SPECIFY Length
The Askar new narrow dovetail plate will allow much more potential attachments with its newly-designed holes and slots.
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Askar Vixen-Style Universal Dovetail Plate - SPECIFY Length
$37.00
ADM 20mm Counterweight Shaft Adapter - CW20-A
Compatible with all ADM Saddles
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ADM 20mm Counterweight Shaft Adapter - CW20-A
$39.00
iOptron iOptron - Z-Axis Balancing Kit
Special designed counterweight kit for Z-axis balance.
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iOptron - Z-Axis Balancing Kit
$89.00
Sigma Sigma 100-400mm f/5-6.3 DG DN OS Contemporary Lens (Specify Mount)
Fast, compact and lightweight telephoto zoom lens for full-frame mirrorless cameras.
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Sigma 100-400mm f/5-6.3 DG DN OS Contemporary Lens (Specify Mount)
$1,049.00
Tamron Tamron AF 70-300mm f/4.5-6.3 Di III RXD Lens for Sony FE
With a dynamic telephoto zoom range and compact profile, the 70-300mm f/4.5-6.3 Di III RXD Lens for Sony E from Tamron provides a popular telephoto zoom range for the full-frame Sony E-mount mirrorless cameras.
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Tamron AF 70-300mm f/4.5-6.3 Di III RXD Lens for Sony FE
$549.00