Telescope Parts & Accessories
telescope parts & accessories — pre-owned
Browse 2,577 telescope parts & accessories — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

Illuminator for Celestron Guiding Eyepieces / Polaris Finderscope Reticle 60011
Guiding Eyepieces / Polaris Finderscope Reticle 60011. Tested and works well.An adjustable brightness red LED used with Celestron's Guiding Eyepieces and Polaris Finderscope. Also used with off axis guiding photography.

Celestron Ultima 5mm Eyepiece Japan Masuyama Design 1.25" #93350 w/ Box
• Celestron Ultima 5mm eyepiece. • Original Celestron box. • Classic Ultima series optical design. Optics appear clean and clear. No visible scratches, haze, or fungus observed. Barrel and threads are in very good condition.

Meade Deluxe Field Telescope Tripod Used
No other accessories are included unless shown in the photos.

Williams Optics Adjustable Flattener/Focal Reducer X0.8 Flat 6aiii
Williams Optics Adjustable Flattener/Focal Reducer X0.8 Flat 6aiii. Condition is Used. Shipped with USPS Ground Advantage.

Celestron 18mm 1.25" Ultima Series Eyepiece 1.25" - Boxed

Zhumell 9mm 100 degree Wide Angle Eyepiece

Meade #495 Autostar Telescope Computer Controller Fast Shipping
In good condition - please see photos for overall condition

Stellarvue 80mm SV80 Raptor Carbon Fiber ED Doublet Refractor Telescope F=560
telescope is in good condition overall. i am the second owner. comes with the case. feel free to send an offer

Meade Qx Wide Angle 15mm Fully Multi-coated, Used Great Condition
The Meade Qx Wide Angle 15mm Fully Multi-coated eyepiece is a high-quality accessory designed for telescopes. Produced by the reputable brand Meade, this eyepiece features a wide 15mm field of view and is fully multi-coated for superior image quality. Perfect for capturing clear and detailed views of celestial objects, this eyepiece is a valuable addition to any astronomer's collection. Whether you're a beginner or a seasoned stargazer, this Meade eyepiece is sure to enhance your viewing experience. This item is used and in great condition, with no visible ware.

Celestron 1.25" Eyepiece and Filter Kit Astronomical Telescope Accessories
The Celestron 1.25" Eyepiece and Filter Kit is a set of high-quality accessories designed for astronomical telescopes. The kit includes a fully multi-coated eyepiece with a 1.25-inch diameter, providing clear and sharp viewing of celestial objects. It is compatible with various telescope brands and models, making it a versatile choice for any telescope enthusiast. The kit also includes filters to enhance contrast and enhance viewing of specific features on celestial bodies. Perfect for enhancing your stargazing experience. Used but in great condition, with the only visible ware being on the case itself.

Celestron Omni XLT CG-4 German Equatorial Telescope Mount
See detailed pics. you are appreciated and valued and deserve only the best service!

Zhumell Right Angle Correct Image Finder Scope 8x Magnification 50mm Diameter

Meade Autostar Remote Controller 497, Used But Great Condition
The Meade Autostar Remote Controller 497 is a specialized controller designed specifically for the Meade Autostar telescopes. This controller allows users to remotely control various functions of their telescope, such as aiming and focusing, with ease and precision. With compatibility exclusively for Meade Autostar telescopes, this remote controller enhances the user experience by providing a convenient and efficient way to operate the telescope from a distance. This item is used but in great condition with little to no wear.

Sky-Watcher Equatorial Telescope Mount Metal Green White Black Adjustable
Sky-Watcher Equatorial Telescope Mount Metal Green White Black Adjustable. Great condition b

DWARFLAB Dwarf II 2 Smart Digital Telescope /Extra Filters & Battery (Light Use)
This listing is for DWARF II Smart Telescope. A compact and innovative smart telescope designed for easy use and portability. Comes with a carrying case, tripod, magnetic filter adapter, rechargeable battery, and additional lens accessories. Ideal for astronomy enthusiasts looking for a high-tech, user-friendly telescope solution. Comes with all original accessories including bag and filters. Additional solar filters and extra battery included. Only lightly used with less than 2 hours total. Christmas gift but not used by older enthusiast wanting older telescope options. Simple to use and very enjoyable!

Celestron Reducer/ Corrector F/6.3
Excellent used condition Boxy

Edmund Scientific RKE 28mm Telescope Eyepiece 28 mm, Used Great Condition
The product is a 28mm telescope eyepiece specifically designed for the Edmund Scientific RKE telescope model. Made by Edmund Scientific, this eyepiece is of great quality and is perfect for enhancing your astronomy viewing experience. Its compatibility with the RKE model ensures a precise fit and optimal performance. Made in China, this eyepiece is a reliable and essential accessory for any telescope enthusiast looking to explore the night sky with clarity and precision. This item is used but in great condition with no visible ware.

Starizona MICRO TOUCH Wireless Autofocuser for use w/ Feathertouch Microfocuser
It's in excellent condition and was used about 2 years. I've had it in storage for several years now and have decided I won't have an application for it any more.

NASA Surplus 16" x 2" Optical mirror blank
Hoya Japanese Telescope/Optical Mirror Blank. Exact measurements are 16 3/8" x 2". NASA surplus optics. Flat on both sides, great for ATM telescope mirror. $40 S&H fee for special packaging.

Celestron Eyepiece Kit Plossl Set 4–32mm + 2x Barlow Filters Moon+ 20mm Eyepiece
This set includes a wide range of magnifications along with filters for enhanced planetary and moon viewing. Celestron Plössl Eyepieces Full set of Celestron color filters (multiple colors for planetary viewing).

World WAR II Sherman TANK TELESCOPE M40A2 Body Eyepiece
Sold as shown. There is a place for another lens at the front of the scope, but it is not present, see photos.

Meade ETX Telescope #883 Tripod Bolts

Meade Qx Wide Angle 20mm Fully Multi-coated Lens, Used Great Condition
The Meade Qx Wide Angle 20mm Fully Multi-coated Lens is a high-quality accessory designed specifically for Meade Qx Wide Angle telescopes. This lens offers a wide field of view, allowing you to capture more of the night sky with each observation. The fully multi-coated design ensures sharp and clear images, making it a valuable addition to any telescope setup. Perfect for capturing stunning views of stars, planets, and celestial phenomena, this lens is a must-have for any avid astronomer. Used item, great condition, with no visible ware.

Meade 2X Telenegative Multi-Coated Telescope Eyepiece 1.25" diameter, Used Great
The Meade 2X Telenegative Multi-Coated Telescope Eyepiece is a high-quality eyepiece designed for use with Meade refractor telescopes. With a 1.25" diameter, this eyepiece is compatible with a variety of Meade models and provides clear, detailed views of celestial objects. Made in China, this eyepiece is a reliable and essential accessory for any Meade telescope owner looking to enhance their viewing experience. Used great conditiin with no visible ware.

iOptron ZEG25GT Mount Pro GoTo Telescope Mount w/ Go2Nova Controller
iOptron ZEG25GT Mount Pro GoTo Telescope Mount w/ Go2Nova Controller. Shipped USPS Ground Advantage. If you have any questions feel free to ask.

2 Orion Explorer II Fully Coated Telescope Eyepiece Lens 100mm + 17mm EUC!
In "Used" condition. Lens are in used condition, see pictures for detailing of contents and their condition.
You save $20.00

vintage telescope refractor diagonal mirror eyepiece adapter Japan optical part
You save $2.40

Pentax SMC XP-3.8 Astronomical Telescope Eyepiece From JAPAN
There is no large dusts. tiny scuffs from normal use. It works properly.

ZWO Off-Axis Guider (OAG) paired with a ZWO 1.25" Helical Focuser
Excellent used condition Box m

Takahashi MC LE 7.5mm 1.25” Eyepiece
Good condition. It is not original caps but I have both caps.

Olympus BH2-PC Phase Contrast Turret Condenser
Good condition. Light signs of use. Dust in hard to reach areas. Works with the Olympus BH2 series like BHT / BHTU / BHS Please see photos for details. Thank You For Viewing Our Item.
You save $34.99

Meade Electronic Controller Remote Control for Telescope
Meade Electronic Controller Remote Control for Telescope

ZWO ASI178MM Black & White Planetary Camera USB 3.0
Used, tested and fully functional. Camera only, no lenses or cables are included.

Meade Telescope Secondary Mirror w Dustcap from DS 2000 Series
This is from the DS 2000 Series with D=114mm F=1000mm f/8.8 tube. No cracks or scratches to the mirror.
You save $10.10

Bresser PL 26mm Black Telescope Eyepiece Lens Magnifier W/ Lid Cap
The Bresser PL 26mm Black Telescope Eyepiece Lens Magnifier is a high-quality lens designed for telescopes, specifically for the National Geographic Bresser series. With a focal length of 20-29mm and fully multi-coated features, this lens offers clear and sharp images for detailed viewing of celestial objects. The lens comes with a lid cap for added protection when not in use, ensuring the quality of the lens is preserved for longer periods. Made in China, this telescope eyepiece is compatible with various telescope models and is a valuable accessory for any telescope enthusiast looking to enhance their viewing experience.

Meade 494 Autostar DS ETX 60 70 80 114 Telescope Hand Control Remote Controller
This controller is in good condition and works exactly as it should. I noticed a split in the insulation at the connector as pictured. It was easily taped back closed as shown in the next picture. Everything works as it should feel free to ask specific questions.

Meade ETX Telescope Tripod Bolts ETX-60BB.

Celestron NexStar+ Telescope Remote Control Hand Controller Parts/Repair
This hand controller needs repair or would be used for parts. Something happened with it and internally and now it doesn’t work. I think the wrong power supply was used and shorted it out.

Orion Telescope Parts Accessories Eye Piece Filters PARTS See Info.
Comes with everything pictured. Every thing is from a local auction, untested. Nothing appears cracked or damaged but we did not test them.

BAADER FRINGE KILLER 2.0 in.
The BAADER Fringe Killer is a 2.0-inch solar filter designed for refractor telescopes. It is compatible with a universal series of telescopes, effectively reducing glare and improving contrast for a better viewing experience. With the trusted BAADER brand behind it, this filter is a reliable accessory for any astronomer looking to enhance their telescope's performance.