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SVBONY SV503 Refractor Telescope, with Field Flattener, 70mm ED Refractor | F6.78 Focal Ratio, Extra Low Dispersion Achromatic OTA, Telescope for Adults, for Astrophotography Visual Astronomy
SVBONY SV503 Refractor Telescope, with Field Flattener, 70mm ED Refractor | F6.78 Focal Ratio, Extra Low Dispersion Achromatic OTA, Telescope for Adults, for Astrophotography Visual Astronomy
SVBONY SV503 Refractor Telescope, with Field Flattener, 70mm ED Refractor | F6.78 Focal Ratio, Extra Low Dispersion Achromatic OTA, Telescope for Adults, for Astrophotography Visual Astronomy
SVBONY SV503 Refractor Telescope, with Field Flattener, 70mm ED Refractor | F6.78 Focal Ratio, Extra Low Dispersion Achromatic OTA, Telescope for Adults, for Astrophotography Visual Astronomy
SVBONY SV503 Refractor Telescope, with Field Flattener, 70mm ED Refractor | F6.78 Focal Ratio, Extra Low Dispersion Achromatic OTA, Telescope for Adults, for Astrophotography Visual Astronomy
SVBONY SV503 Refractor Telescope, with Field Flattener, 70mm ED Refractor | F6.78 Focal Ratio, Extra Low Dispersion Achromatic OTA, Telescope for Adults, for Astrophotography Visual Astronomy
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SVBONY SV503 Refractor Telescope, with Field Flattener, 70mm ED Refractor | F6.78 Focal Ratio, Extra Low Dispersion Achromatic OTA, Telescope for Adults, for Astrophotography Visual Astronomy
SVBONY SV503 Refractor Telescope, with Field Flattener, 70mm ED Refractor | F6.78 Focal Ratio, Extra Low Dispersion Achromatic OTA, Telescope for Adults, for Astrophotography Visual Astronomy
SVBONY SV503 Refractor Telescope, with Field Flattener, 70mm ED Refractor | F6.78 Focal Ratio, Extra Low Dispersion Achromatic OTA, Telescope for Adults, for Astrophotography Visual Astronomy
SVBONY SV503 Refractor Telescope, with Field Flattener, 70mm ED Refractor | F6.78 Focal Ratio, Extra Low Dispersion Achromatic OTA, Telescope for Adults, for Astrophotography Visual Astronomy
SVBONY SV503 Refractor Telescope, with Field Flattener, 70mm ED Refractor | F6.78 Focal Ratio, Extra Low Dispersion Achromatic OTA, Telescope for Adults, for Astrophotography Visual Astronomy
SVBONY SV503 Refractor Telescope, with Field Flattener, 70mm ED Refractor | F6.78 Focal Ratio, Extra Low Dispersion Achromatic OTA, Telescope for Adults, for Astrophotography Visual Astronomy
SVBONY SV503 Refractor Telescope, with Field Flattener, 70mm ED Refractor | F6.78 Focal Ratio, Extra Low Dispersion Achromatic OTA, Telescope for Adults, for Astrophotography Visual Astronomy
SV503 Telescope provides sharp and high-contrast images for travel and astrophotography
SVBONY SV503 Refractor Telescope, with Field Flattener, 70mm ED Refractor | F6.78 Focal Ratio, Extra Low Dispersion Achromatic OTA, Telescope for Adults, for Astrophotography Visual Astronomy
Item #: 33626043

SVBONY SV503 Refractor Telescope, with Field Flattener, 70mm ED Refractor | F6.78 Focal Ratio, Extra Low Dispersion Achromatic OTA, Telescope for

81% of respondents would recommend this to a friend

Item #: 33626043

LAK 14071635

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SV503 Telescope provides sharp and high-contrast images for travel and astrophotography
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What Stands Out

Extra Low Dispersion
The 70ED F6 optical tube minimizes chromatic aberration, ensuring crisp, clear images of celestial bodies, making it perfect for both astrophotography and visual astronomy enthusiasts.
Micro-Reduction Focuser
Equipped with a micro-reduction rap focuser that allows for precise adjustments, this telescope enhances focusing accuracy, enabling users to capture stunning details in astronomical observations.
Portable Design
Lightweight and compact, this telescope is designed for easy transport, perfect for amateur astronomers who want to explore the night sky from various locations without the hassle.

Product Details

Shop SVBONY SV503 Refractor Telescope, with Field Flattener, 70mm ED Refractor | F6.78 Focal Ratio, Extra Low Dispersion Achromatic OTA, Telescope for Adults, for Astrophotography Visual Astronomy online at a best price in Laos. B0F83Z7JZR
  • Outstanding flat-field correction; built-in field flattener of SVBONY SV503 telescope eliminates field curvature; offering a flat; wide view; Observers can explore the universe freely; unhindered by edge blur or distortion
  • F/6.78 and a generous 70mm aperture; SVBONY SV503 telescope delivers bright; sharp images of distant galaxies; nebulae; and star clusters; Its flat-field refractor design minimizes chromatic aberration; ensuring true-to-life colors
  • Self-Flat-Field Design; Eliminates the need to purchase a separate field flattener; When directly connected to any imaging accessory; it achieves optimal shooting state immediately after focusing; ensuring convenience and efficiency
  • Unparalleled clarity; svbony sv503 70mm f/6.78 telescope equipped with ED glass offers unparalleled clarity by significantly reducing chromatic aberration
  • Eliminate glare for crisper views; SVBONY SV503 refractor telescope acts as a precision tool to block stray light; reducing glare and reflections that can degrade image quality
  • Seamless precision; the dual-speed focuser on your SVBONY SV503 astronomical telescope delivers unmatched control; allowing you to switch between rapid; coarse adjustments and ultra-fine tuning with a simple twist
  • Rock-Solid Stability; secure your gear for vibration-free views; the telescope mounting clamp ensures unwavering stability by firmly gripping your SVBONY telescope; eliminating wobble and vibrations during use
  • Precision engineered durability; the 2-inch aluminum CNC components in your SVBONY SV503 refractor telescope deliver unmatched precision and resilience
  • Package includes; SVbony SV503 70mm f/6.78 telescope; 2 inch to 1.25inch adapter
Eye Piece Lens DescriptionBarlow
MountAltazimuth Mount
Focus TypeManual Focus
FinderscopeNo
Compatible DevicesAstronomy camera, Eyepiece, Finderscope, Guide telescope, Zenith telescope
CoatingFull Broadband Anti-Reflection Coating
Focal Length Description474mm
Field Of View1.08 degrees
Additional FeaturesED Glass
Optical-Tube Length47.4 centimeters
Objective Lens Diameter7 centimeters
Item Dimensions D x W x H12.52"D x 9.25"W x 6.69"H (31.8 x 23.5 x 17 cm)
Item Weight2.69 kg
BrandSVBONY
Model NameF9359E
ManufacturerSVBONY
Number of Packs1
Number of Items1
Built-In Media1 X 2-inch to 1.25-inch adapter &1.25-inch plastic dust plug, 1 X Dovetail plate, 1 X Metal clamp, 1 X Metal objective lens cover, 1 X SVBONY SV503 70mm F6.78 OTA (2.5 cm)
Model NumberCAF9359E
Manufacturer Part NumberCAF9359E
Optical Tube Length47.4 centimeters
Telescope Mount DescriptionAltazimuth Mount
Product Dimensions (L x W x H)12.52"D x 9.25"W x 6.69"H (31.8 x 23.5 x 17 cm)

What's in the box

1 X SVBONY SV503 70mm F6.78 OTA

1 X Metal clamp

1 X Dovetail plate

1 X Metal objective lens cover

1 X 2-inch to 1.25-inch adapter &1.25-inch plastic dust plug

Who Should Buy?

Suitable For
  • Astrophotography Enthusiasts

    Ideal for those interested in capturing detailed images of celestial objects with its extra low dispersion optics.

  • Beginner Astronomers

    Suitable for newcomers to astronomy, featuring an easy setup and user-friendly functions for smooth observation.

  • Traveling Stargazers

    Lightweight and portable, perfect for amateur astronomers who travel frequently and require a compact telescope.

Not Suitable For
  • Professional Astronomers

    May not meet the advanced needs of professional astronomers seeking high-end detailed imaging and features.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What makes the SVBONY SV503 Telescope suitable for both beginners and adults?

    Answer: The SVBONY SV503 Telescope is designed with user-friendly features that cater to both novices and experienced astronomers. Its 80mm aperture allows for bright, clear images of celestial objects, while the F7 focal ratio provides excellent versatility. Beginners can easily set up and adjust the telescope, benefiting from the included ED lens that enhances image quality by minimizing chromatic aberration. This makes it perfect for stargazing or astrophotography. Additionally, the compact and portable design means it can be taken on outdoor adventures, making it a reliable companion for both casual viewing and more serious astronomical pursuits.
  • Question: What is the benefit of the ED lens in the SVBONY SV503 Telescope?

    Answer: The ED (Extra-low Dispersion) lens in the SVBONY SV503 Telescope significantly improves optical performance by reducing chromatic aberration, resulting in sharper and clearer images. This is particularly important for observing planets and other celestial bodies, where color distortion can detract from the viewing experience. The high-quality glass used in the ED lens provides a bright, crisp image that enhances detail, allowing users to enjoy the wonders of the universe more fully. Whether you're focusing on the moon's craters or distant galaxies, the ED lens ensures an optimal viewing experience.
  • Question: Can the SVBONY SV503 Telescope be used for astrophotography?

    Answer: Yes, the SVBONY SV503 Telescope is suitable for astrophotography, especially given its 560mm focal length and ED lens that delivers high-quality images. Beginners will appreciate the user-friendly design while also having the potential to capture stunning photos of celestial objects. To get started with astrophotography, users can attach a camera using an appropriate adapter, allowing for clear shots of planets, star clusters, and nebulae. Its portability makes it an excellent choice for taking to dark-sky locations, which enhances the quality of astrophotographs.
  • Question: What accessories are recommended for the SVBONY SV503 Telescope?

    Answer: To enhance your experience with the SVBONY SV503 Telescope, it's recommended to invest in a few key accessories. A quality mount will ensure stability and smooth tracking of celestial objects. Additionally, having various eyepieces can expand your viewing options, providing different magnifications for specific observations. A star finder or smartphone adapter can also enhance the experience, allowing you to easily locate and photograph celestial objects. Lastly, a protective carry case makes transport convenient and helps safeguard your telescope from damage.
  • Question: What celestial objects can I observe with the SVBONY SV503 Telescope?

    Answer: With the SVBONY SV503 Telescope, you can observe a wide variety of celestial objects. The 80mm aperture allows for clear views of the moon's craters and maria, as well as planets such as Jupiter and Saturn, where you can see features like Saturn’s rings and Jupiter’s bands. Additionally, the telescope can be used for viewing star clusters, nebulae, and even some galaxies. Its optical capabilities make it an excellent tool for both casual stargazing and more in-depth astrophotography, helping users explore the night sky.
  • Question: Is the SVBONY SV503 Telescope portable for travel?

    Answer: Yes, the SVBONY SV503 Telescope is designed to be compact and lightweight, making it highly portable for travel. Its sleek design ensures that it can easily fit into your vehicle or a backpack, making it ideal for trips to dark-sky locations or camping outings. Users who enjoy astronomy on the go will appreciate how effortlessly they can pack and transport this telescope. Whether you’re heading to a stargazing event or just enjoying a night under the stars, this telescope is a convenient option for on-the-fly observations.
  • Question: How does the SVBONY SV503 Telescope compare to other telescopes in its class?

    Answer: The SVBONY SV503 Telescope stands out in its class due to its combination of portability, optical quality, and user-friendliness. Many similar telescopes may lack the advanced ED lens, which sets it apart by providing superior image clarity and color accuracy. Additionally, its compact design makes it easier for users of all levels to take on-the-go. When compared to other telescopes with similar specifications, the SV503 offers a great balance of performance and accessibility, appealing to both casual stargazers and more serious hobbyists.
  • Question: What type of mount is compatible with the SVBONY SV503 Telescope?

    Answer: The SVBONY SV503 Telescope is compatible with a variety of mounts, but a sturdy, adjustable mount is recommended for optimal performance. Equatorial mounts are particularly popular among astronomers for long exposure viewing, as they allow for smooth tracking of celestial objects. Alternatively, altitude-azimuth mounts are great for users who prefer a straightforward setup for casual viewing. The versatility of the SV503 means you can choose a mount that best fits your observing style and preferences.
  • Question: Is the SVBONY SV503 Telescope suitable for children?

    Answer: Yes, the SVBONY SV503 Telescope is suitable for children under adult supervision. Its straightforward setup and intuitive operation make it a great first telescope for young budding astronomers. The lightweight design enables kids to carry it easily, fostering a sense of exploration and curiosity about the night sky. Parents can guide children in observing celestial objects, helping to cultivate a love for astronomy and science in a fun and engaging way. Safety and supervision ensure that the exploration is both enjoyable and educational.
  • Question: Where can I buy the SVBONY SV503 Telescope in Laos?

    Answer: You can purchase the SVBONY SV503 Telescope in Laos exclusively on Ubuy. Ubuy offers a variety of options and often provides a great selection of SVBONY products, ensuring you get the model you want. With convenient access to multiple shipping options and solid customer service, Ubuy is a reliable platform for making your purchase and ensuring you have the right telescope for your astronomical adventures.

SVBONY Refractors CAF9359E Editorial Review

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The SVBONY SV503 Refractor Telescope has garnered positive attention from customers for its impressive optical performance and build quality, especially Considering its price point. Many users have highlighted the capability of the telescope to produce sharp and bright images, rivaling those of more expensive apochromatic models. The FPL51 glass used in the objective lens is noted for minimizing chromatic aberration, creating clearer visuals without significant color fringing, even on bright stars and planets. The engineering of the telescope is complemented by a dual-speed focuser that is described as smooth and reliable, allowing for precise adjustments that are essential for astrophotography. Users appreciate the additional features, like the retractable dew shield and marked draw tube, which enhance the overall user experience by making it easier to adapt to various setups without losing focus. Customers have expressed satisfaction with the scope’s performance on deep-sky objects and its capability to handle higher magnifications. Despite the overwhelmingly positive feedback, there are mentions of minor shortcomings, particularly regarding field flattness. Some users found difficulty achieving perfectly round stars in the corners of their images when using a focal reducer, though they noted that post-processing could alleviate this issue. Overall, the SVBONY SV503 presents an excellent option for beginner to intermediate astronomers seeking quality equipment without breaking the bank. Enthusiasts have reported satisfaction with the telescope's performance, and many recommend it for those venturing into astrophotography. **

Customer Reviews & Ratings

6 customers ratings
  • 5 Star
    57%
  • 4 Star
    21%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    22%

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Pros

  • Excellent build quality and engineering
  • Produces sharp, bright images with minimal chromatic aberration
  • Smooth dual-speed focuser facilitates precise focusing
  • Features like retractable dew shield and marked draw tube enhance usability
  • Impressive price-to-performance ratio
  • Good for a range of astronomical targets including deep-sky objects

Cons

  • Slight color distortion observable under certain conditions, but generally minimal and manageable through post-processing

Platform Trust & Buyer Confidence

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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
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LAK 14071635

Order now and get it around Sunday, August 23

QTY:

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Features & Benefits

  • Quality Optics with S-FPL51 extra-low dispersion glass ED element
  • Suitable for experienced observers and ambitious beginners
  • Authentic Image
  • Doublet air spaced achromatic objective lens
  • 2-inch rack and pinion RAP focuser
  • Versatile application for astrophotography, moon observation, nature observation, nebulae, and galaxies

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