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- $119.94or Best OfferFree shipping159 sold
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- $495.00$111.95 shipping0 bids15m 31s
- $1,999.99$178.68 shipping13 watching
- Pre-Owned · Questar$2,000.00$90.00 shipping33 watching
- Parts Only · Celestron$24.57$25.00 shipping0 bids4d 19h
- Pre-Owned · Celestron$50.00$10.95 shipping
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- $320.00Trending at $354.47$4.99 shipping16 watching
- Pre-Owned · Celestron$400.00or Best Offer$66.56 shipping0 bids23h 52m
- Authorized Dealer - Full USA WarrantyBrand New · Celestron$699.99 to $1,599.99Was: $995.00was - US $995.00Free shipping
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- Open Box · Sky-Watcher$1,050.00or Best OfferTrending at $1,300.00$96.85 shipping
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- Pre-Owned · Questar$3,099.00$75.00 shipping
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- Open Box · GeoVision$22.99Was: $49.99was - US $49.99or Best OfferFree shipping14 watching
- $230.50$9.22 shipping2 bids10h 2m
- Pre-Owned · Celestron$198.00$130.11 shipping10 bids3d 16h
- Pre-Owned · Coronado$679.95$26.70 shipping19 watching
- $3,300.00or Best Offer$55.68 shipping0 bids7d 21h
- Pre-Owned · Meade$550.00or Best Offer$56.00 shipping
- Open Box · Celestron$400.00or Best Offer$76.97 shipping
- $113.90or Best OfferFree shipping684 sold
- Free Shipping! Get It Fast!Brand New$1,690.00Was: $1,818.98was - US $1,818.98Free shipping
- Brand New · Unbranded$102.99or Best OfferFree shipping11 watching
- Parts Only · Celestron$499.91or Best OfferFree shipping
- $137.50$14.99 shipping21 bids8h 34m
- Pre-Owned · William Optics$750.00or Best OfferFree shipping16 watching
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- Pre-Owned · Celestron$80.00or Best Offer$21.35 shipping
- Brand New · Celestron$399.00or Best Offer$52.63 shipping
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- Open Box · SVBONY$329.99$16.72 shipping14 watching
- Open Box · William Optics$260.00$24.75 shipping5 bids2d 20h
- Pre-Owned · Takahashi$599.00$79.00 shipping0 bids3d 9h
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- Pre-Owned · Celestron$660.00$111.66 shipping13 bids1d 18h
- Parts Only · Orion$32.00$9.99 shipping6 bids1d 16h
- Brand New · Unbranded$53.85or Best OfferFree shipping54 watching
- Pre-Owned · Takahashi$160.00Free shipping
- Checkout Price:239.99✅5.24-5.31✅Limited time flash saleBrand New · SVBONY$289.99Was: $527.26was - US $527.26or Best OfferFree shipping252 sold
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- $1,013.36$110.20 shipping16 watching
- $325.00$19.95 shipping
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- Pre-Owned · William Optics$1,200.00or Best Offer$36.84 shipping0 bids3d 12h
- Pre-Owned · William Optics$1,450.00or Best Offer$72.55 shipping17 watching
- $355.00$21.93 shipping22 bids4d 13h
- Pre-Owned$490.00$20.00 shipping
- Open Box · Orion$25.00$17.44 shipping0 bids4d 16h
- Brand New · Coronado$5,499.00Free shipping
- Super value giveaway in May✅$369.99✅5.24-5.31Brand New · SVBONY$369.99Was: $533.32was - US $533.32or Best OfferFree shippingOnly 1 left!
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Telescopes: Exploring the World Above
Delve into the universe with telescopes, instruments that have fascinated astronomers since the time of Galileo in the 17th century. From the early days of glass lenses to modern-day reflecting and refracting models, telescopes for adults have evolved to offer unparalleled views of celestial wonders. Brands like Celestron, Orion, Meade, and more offer a variety of options to suit every stargazing enthusiast's needs.
What are the types of telescopes?
There are two types of telescopes for sale:
- Reflecting telescopes: These devices utilize concave mirrors to gather and focus light. By reflecting light rather than bending it like lenses, these telescopes provide crisp, high-resolution images of celestial objects. They are ideal for deep-sky observations and astrophotography.
- Refracting telescopes: This option employs convex lenses to collect and focus light. These lenses create the illusion of objects appearing closer than they are, making refractors suitable for both celestial and terrestrial viewing. They offer clear, contrast-rich images of the moon, planets, and stars.
What is magnification?
Magnification refers to the power of the telescope in enlarging celestial objects. It is determined by the ratio of the telescope's focal length to that of the eyepiece. Adjusting the eyepiece focal length allows users to customize magnification levels for different observing scenarios, with lower magnifications providing wider fields of view and sharper images.
What does an aperture do?
Aperture, the diameter of the telescope's primary optical element, dictates the amount of light the telescope can gather. Larger apertures capture more light, resulting in brighter and clearer images of celestial objects. However, it's essential to find a balance between aperture size and portability, ensuring that the telescope meets your observing needs without sacrificing convenience.
Whether you're a seasoned stargazer or embarking on your first celestial journey, explore our selection of new and used telescopes for sale and embark on a journey through the cosmos. Telescope prices vary to fit a wide range of budgets. Find telescopes for sale on eBay.
Telescope FAQs
What are the parts of a telescope?
- Lens: The lens, whether a mirror or a set of lenses, serves as the primary optical element of the telescope. It determines the telescope's magnification, resolution, and field of view, allowing you to observe celestial objects with clarity.
- Tube: The tube houses the optical components of the telescope, including the mirror or lenses. It enhances the focal length of the telescope, enabling precise focusing and image capture.
- Finderscope: A finderscope is a secondary scope mounted on the main tube. It aids in locating celestial objects by providing a wider field of view and guiding users to their desired targets.
- Eyepiece: The eyepiece secures the ocular lens and provides a comfortable viewing experience. Its design ensures stability and prevents the ocular lens from falling or getting damaged during observation sessions.
- Mounting: The mounting system allows the telescope to move and track celestial objects across the night sky. Equipped with regulating knobs for latitude adjustment, it ensures smooth and precise movements for accurate positioning.
- Tripod: A sturdy tripod provides stability and support for the telescope. With adjustable legs and a robust design, it ensures steady viewing even on uneven terrain, allowing users to explore the cosmos with ease.
Can I use a telescope for astrophotography?
Many telescopes are suitable for astrophotography, allowing you to capture stunning images of celestial objects such as planets, galaxies, and nebulae. To engage in astrophotography, choose a telescope with stable tracking mounts or equatorial mounts that can compensate for Earth's rotation and keep objects centered during long-exposure photography. Additionally, consider the telescope's compatibility with camera adapters and accessories for attaching DSLR or mirrorless cameras.
What are the advantages of computerized telescopes?
Computerized telescopes, also known as go-to telescopes, offer several advantages for amateur and experienced astronomers. They feature built-in computerized tracking systems that automatically locate and track celestial objects, eliminating the need for manual adjustments. You can select objects from a pre-programmed database or input your own coordinates. Computerized telescopes are particularly beneficial for beginners, providing user-friendly interface for navigating the night sky.