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Baader Planetarium Baader Hyperion Universal Zoom Mark IV, 8-24mm eyepiece (1¼" / 2")
Hyperion Universal Zoom Mark IV: fourth generation of Baader-Zoom, 68° Widefield eyepiece with five magnifications - focal lenghts 8, 12, 16, 20 and 24mm clearly defined with "smoothed-out" improved Clickstop Action (a must for effortless binoviewing)
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Baader Hyperion Universal Zoom Mark IV, 8-24mm eyepiece (1¼" / 2")
$359.00
Baader Planetarium Baader Hyperion 68 Degree Modular Eyepiece 21mm
The Baader Planetarium Hyperion 68° Modular Eyepieces offer world-class performance and unique photo-visual features, at an unheard of price.
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Baader Hyperion 68 Degree Modular Eyepiece 21mm
$196.00
ZWO ZWO D21 IR-CUT Protection Window
ZWO D21 IR-CUT protection window is suitable for ASI120MC, ASI120MC-S and ASI178MC cameras to protect the sensor from dust and humidity.
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ZWO D21 IR-CUT Protection Window
$19.00
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
$239.99
Dew-Not DN002 Heater For 1.25 inch (3.2cm) eyepieces
Length: 6.5" (16.5 cm)
Watts: 3.1
Voltage: 12v
Amperage: .25 amp
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DN002 Heater For 1.25 inch (3.2cm) eyepieces
$31.95
AstroSystems Astrosystems Autocollimator 2 Inch
The Autocollimator is used to fine tune the optical alignment after using the LightPipe/SightTube or a laser collimator.
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Astrosystems Autocollimator 2 Inch
$99.95
Bob's Knobs Knobs for SkyWatcher Newtonian Primary with Factory Collimation Screws
Fits: SkyWatcher Newtonian telescopes with factory collimation screws.
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Knobs for SkyWatcher Newtonian Primary with Factory Collimation Screws
$25.95
Sky-Watcher HEQ5 (MINT!) with Rigid Double Stack Carry Case
Sky-Watcher HEQ5 (MINT!) with Rigid Double Stack Carry Case
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Sky-Watcher HEQ5 (MINT!) with Rigid Double Stack Carry Case
$999.90
skywatcher Skywatcher HAC125DX Minigraph
The Sky-Watcher Honders Advanced Catadioptric HAC125DX Minigraph is the epitome of compact, high-performance, and ultra-fast wide-field astrograph design. With its cutting-edge optical system, it delivers outstanding image quality for deep sky imaging, th
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Skywatcher HAC125DX Minigraph
$995.00
Orion JMI Motofocus ONLY for Vintage C8 with 13mmdiamter focus knob (Pre-owned)
The JMI Motofocus for Vintage C8 with a 13mm diameter focus knob provides a smooth, motorized focus control for vintage Celestron C8 telescopes. This enhances precision, making it ideal for astrophotographers seeking an easy focusing experience.
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JMI Motofocus ONLY for Vintage C8 with 13mmdiamter focus knob (Pre-owned)
$49.00
Orion Orion LaserMate Collimator - 05680
The Orion LaserMate Collimator is a precise and easy-to-use laser alignment tool designed to quickly and accurately collimate Newtonian and Dobsonian telescopes, ensuring optimal optical performance for stargazing and astrophotography.
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Orion LaserMate Collimator - 05680
$39.95
Canon Canon EF-S 24mm f2.8 STM Camera Lens (Pre-owned)
The perfect Everyday and Street lens!
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Canon EF-S 24mm f2.8 STM Camera Lens (Pre-owned)
$119.00
Mamiya Mamiya 645 Pro TL Medium Format SLR Film Camera with 210mm f4 mm lens
The Mamiya 645 Pro TL Medium Format SLR Film Camera with 210mm f/4 Lens is a versatile, professional-grade medium format camera system designed for photographers seeking high image quality, detail, and control.
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Mamiya 645 Pro TL Medium Format SLR Film Camera with 210mm f4 mm lens
$799.95
Celestron Celestron 50mm Straight Thru Non-illuminated Finderscope (#51611) in Box (LIKE NEW!)
The Celestron 50mm Straight-Through Non-illuminated Finderscope is a basic yet effective accessory designed to help astronomers locate celestial objects quickly and accurately.
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Celestron 50mm Straight Thru Non-illuminated Finderscope (#51611) in Box (LIKE NEW!)
$69.00
Ken's Rings Ken's Rings Vixen to Losmandy Conversion Saddle with Losmandy Dovetail Plate (Pre-owned)
The Ken's Rings Vixen to Losmandy Conversion Saddle is a handy accessory for astrophotographers and amateur astronomers looking to use a Losmandy-style dovetail plate with their Vixen-style mounts.
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Ken's Rings Vixen to Losmandy Conversion Saddle with Losmandy Dovetail Plate (Pre-owned)
$65.00
Nikon Nikon F3 Focusing Screen Type "K" Original Box
Designed to provide superior focusing accuracy and clarity, the Type K screen is ideal for everyday shooting, offering a combination of a split-image rangefinder and a microprism collar to ensure fast and precise manual focus in a wide range of situations
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Nikon F3 Focusing Screen Type "K" Original Box
$49.95
Antares Optical Antares Wooden Telescope Tripod for EQ3 Mount - WT-CP
The benefit of a wood tripod is damping of vibration in the mounting;
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Antares Wooden Telescope Tripod for EQ3 Mount - WT-CP
$69.95
Questar Questar 2x Dakin Barlow with Questar Camera Adapter(Pre-owned)
Whether you're capturing stunning celestial images or enjoying detailed views of distant objects, the Questar 2x Dakin Barlow with Questar Camera Adapter is an essential tool for serious enthusiasts.
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Questar 2x Dakin Barlow with Questar Camera Adapter(Pre-owned)
$75.00
Questar Questar 16mm Brandon Eyepiece with rubber eyecup (Pre-owned)
This is an excellent medium power eyepiece for lunar observing, resolving globular clusters
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Questar 16mm Brandon Eyepiece with rubber eyecup (Pre-owned)
$175.00
Questar Questar 12mm Brandon Flat Top Eyepiece with 3.5" Adapter (Pre-owned)
Whether you're observing planets, star clusters, or nebulae, the Questar 12mm Brandon Flat Top Eyepiece with 3.5" Adapter is an excellent choice for achieving high-quality views and enhancing your astronomical experience.
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Questar 12mm Brandon Flat Top Eyepiece with 3.5" Adapter (Pre-owned)
$175.00
Questar Questar 8mm Brandon Eyepiece with rubber eyecup (dried eyecup) and 3.5" Adapter (Pre-owned)
The Questar 8mm Brandon Eyepiece with Rubber Eyecup is a must-have for any serious astronomer looking to enhance their observations with high-quality optics and comfort.
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Questar 8mm Brandon Eyepiece with rubber eyecup (dried eyecup) and 3.5" Adapter (Pre-owned)
$175.00
Questar Questar 24mm Brandon Flat Top Eyepiece (Pre-owned)
The Questar 24mm Brandon Flat Top Eyepiece is an excellent addition to any telescope setup, providing astronomers with stunning views and a comfortable, enjoyable observing experience.
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Questar 24mm Brandon Flat Top Eyepiece (Pre-owned)
$175.00
Questar Questar 32mm Brandon Vernonsope Flat Top Eyepiece (Pre-owned)
The Questar 32mm Brandon Vernonscope Flat Top Eyepiece is a top-tier optical accessory tailored for serious astronomers seeking expansive views and exceptional clarity, and offers a comfortable viewing experience.
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Questar 32mm Brandon Vernonsope Flat Top Eyepiece (Pre-owned)
$195.00
Meade Meade MA 12mm .965 Eyepiece (pre-owned)
Perfect for astronomers who need a high-magnification eyepiece for older telescopes, the Meade MA 12mm .965 Eyepiece is a reliable and affordable choice for enhancing your close-up celestial observations.
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Meade MA 12mm .965 Eyepiece (pre-owned)
$29.95