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SVBONY SV135 1.25 Telescope Eyepiece, 7-21mm Zoom Eyepiece, 36-52 FOV
SVBONY SV135 1.25 Telescope Eyepiece, 7-21mm Zoom Eyepiece, 36-52 FOV
SVBONY SV135 1.25 Telescope Eyepiece, 7-21mm Zoom Eyepiece, 36-52 FOV
SVBONY SV135 1.25 Telescope Eyepiece, 7-21mm Zoom Eyepiece, 36-52 FOV
SVBONY SV135 1.25 Telescope Eyepiece, 7-21mm Zoom Eyepiece, 36-52 FOV
SVBONY SV135 1.25 Telescope Eyepiece, 7-21mm Zoom Eyepiece, 36-52 FOV
SVBONY SV135 1.25 Telescope Eyepiece, 7-21mm Zoom Eyepiece, 36-52 FOV
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SVBONY SV135 1.25 Telescope Eyepiece, 7-21mm Zoom Eyepiece, 36-52 FOV
SVBONY SV135 1.25 Telescope Eyepiece, 7-21mm Zoom Eyepiece, 36-52 FOV
SVBONY SV135 1.25 Telescope Eyepiece, 7-21mm Zoom Eyepiece, 36-52 FOV
SVBONY SV135 1.25 Telescope Eyepiece, 7-21mm Zoom Eyepiece, 36-52 FOV
SVBONY SV135 1.25 Telescope Eyepiece, 7-21mm Zoom Eyepiece, 36-52 FOV
SVBONY SV135 1.25 Telescope Eyepiece, 7-21mm Zoom Eyepiece, 36-52 FOV
SVBONY SV135 1.25 Telescope Eyepiece, 7-21mm Zoom Eyepiece, 36-52 FOV
One eyepiece for multiple uses; this 7-21mm zoom eyepiece allows you to change magnification power without swapping out eyepieces.
SVBONY SV135 1.25 Telescope Eyepiece, 7-21mm Zoom Eyepiece, 36-52 FOV
Item #: 220676428

SVBONY SV135 1.25 Telescope Eyepiece, 7-21mm Zoom Eyepiece, 36-52 FOV

85% of respondents would recommend this to a friend

Item #: 220676428

USD 82

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One eyepiece for multiple uses; this 7-21mm zoom eyepiece allows you to change magnification power without swapping out eyepieces.
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What Stands Out

Versatile Zoom Range
The SVBONY SV135 offers a zoom range from 7 to 21mm, allowing users to seamlessly adjust magnification for varied celestial observations without changing eyepieces.
High-Quality Optics
With a 6-element, 4-group lens design, this eyepiece minimizes distortion and enhances image clarity for a superior viewing experience in astronomical telescopes.
Easy Compatibility
Designed with a standard 1.25-inch format, the SV135 is compatible with most telescopes, providing flexibility and convenience for both novice and seasoned astronomers.

Product Details

Shop SVBONY SV135 1.25 Telescope Eyepiece, 7-21mm Zoom Eyepiece, 36-52 FOV online at a best price in British Virgin Islands. B0DLMP2QX7
Eye Piece Lens DescriptionPlossl
MountAltazimuth Mount
Focus TypeManual Focus
Finderscopeno
Compatible DevicesTelescope
CoatingFully Multi-Coated
Field Of View36 degrees
Zoom Ratio7-21x
Additional Features36°-52° field of view, 5-elements 3-groups lens structure, 7-21mm zoom eyepiece
Optical-Tube Length7 millimeters
Objective Lens Diameter31.75 millimeters
Item Dimensions D x W x H4.84"D x 3.15"W x 4.3"H (12.3 x 8 x 10.9 cm)
Item Weight220 g
BrandSVBONY
Model NameFW9105B
ManufacturerSVBONY
Number of Items1
Built-In Media1X 7 to 21mm Zoom Eyepiece
Model NumberFCAW9105B
Manufacturer Part NumberFCAW9105B
Optical Tube Length7 millimeters
Telescope Mount DescriptionAltazimuth Mount
Product Dimensions (L x W x H)4.84"D x 3.15"W x 4.3"H (12.3 x 8 x 10.9 cm)

What's in the box

1X 7 to 21mm Zoom Eyepiece

Who Should Buy?

Suitable For
  • Amateur Astronomers

    Great for beginners looking to explore various magnifications without purchasing multiple eyepieces.

  • Education Purposes

    Ideal for classroom settings, allowing students to observe celestial bodies at different zoom levels.

  • Traveling Stargazers

    Compact and lightweight, perfect for astronomers who travel and need versatile equipment.

Not Suitable For
  • Professional Astronomers

    May lack the precision and quality needed for advanced astronomical research and serious observations.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are the main features of the SVBONY SV135 Zoom Eyepiece?

    Answer: The SVBONY SV135 Zoom Eyepiece features a zoom range of 7 to 21mm, providing much versatility for both beginners and experienced astronomers. With 6 elements in 4 groups, this eyepiece delivers crisp and clear images across the zoom spectrum. Additionally, its 1.25-inch barrel design fits most telescopes, making it easy to swap in and out during stargazing sessions. This flexibility allows users to observe celestial objects at varying magnifications, enhancing the overall observing experience.
  • Question: Is the SVBONY SV135 suitable for planetary observation?

    Answer: Yes, the SVBONY SV135 is very suitable for planetary observation. Its zoom capabilities allow you to adjust the magnification based on the specific details you want to observe on planets. Higher magnifications can reveal intricate features like moons and rings, while lower settings can offer a more comprehensive view of planetary alignment. This adaptability is particularly beneficial during planetary events, enabling enthusiasts to switch between magnifications effortlessly.
  • Question: How does this eyepiece compare to fixed focal length eyepieces?

    Answer: The main advantage of the SVBONY SV135 Zoom Eyepiece over fixed focal length eyepieces is its versatility. Instead of carrying multiple eyepieces, you can use one that offers a range from 7 to 21mm, effectively consolidating your gear. This means quicker adjustments while observing when switching between magnifications and targeting different astronomical objects. For instance, you can scan a star cluster at lower magnification and zoom in for finer details.
  • Question: What telescopes are compatible with the SVBONY SV135 eyepiece?

    Answer: The SVBONY SV135 eyepiece is designed to fit any telescope that has a 1.25-inch eyepiece holder. This includes a wide range of telescope types, such as refractors, reflectors, and compound telescopes. Whether you’re using a beginner’s model or a high-end instrument, you can benefit from the zoom feature of this eyepiece. Its compatibility makes it a great addition to various observational setups, ensuring more users can take full advantage of its capabilities.
  • Question: Can this eyepiece be used for both lunar and deep-sky observations?

    Answer: Absolutely! The SVBONY SV135 Zoom Eyepiece is versatile enough for both lunar and deep-sky observations. For lunar viewing, adjusting the magnification can help you observe craters, maria, and other surface details clearly. For deep-sky observing, you can use lower magnifications to take in the entire view of nebulae or galaxies, and then zoom in for closer looks at specific sections. This versatility helps cater to varying interests in astronomy.
  • Question: What materials is the SVBONY SV135 made from?

    Answer: The SVBONY SV135 is constructed with durable materials that ensure longevity and performance. The multi-coated optics enhance light transmission, resulting in brighter and clearer images, while also reducing glare and reflections. This protective build is advantageous for frequent use in various outdoor settings, ensuring that the eyepiece performs well under different conditions, making it a reliable choice for amateur and serious astronomers alike.
  • Question: Does the SVBONY SV135 provide a wider field of view?

    Answer: Yes, the SVBONY SV135 is designed to provide a wider field of view compared to many standard eyepieces. This feature allows users to see more of the sky at once, which is particularly beneficial for star clusters and other expansive celestial objects. A wider field assists in following the motion of stars or planets across the sky, enhancing overall viewing enjoyment as you can track more of the night sky without constant adjustments.
  • Question: Is the SVBONY SV135 suitable for astrophotography?

    Answer: The SVBONY SV135 can indeed be used for astrophotography. While primarily an eyepiece for visual use, its zoom versatility allows for capturing various aspects of celestial targets at different focal lengths. However, it is worth noting that some users may prefer specific dedicated eyepieces or adaptors for enhanced imaging results. Those who experiment with eyepiece projection may find that this zoom eyepiece can be useful for framing their shots as they explore astrophotography.
  • Question: How can I maintain my SVBONY SV135 eyepiece?

    Answer: Maintaining your SVBONY SV135 eyepiece involves a few simple steps. Always store it in a protective case to avoid dust and scratches. Regularly clean the lenses using a soft microfiber cloth and appropriate lens cleaner to keep optics clear. Avoid touching the lenses directly with fingers to prevent smudges. By properly maintaining the eyepiece, you ensure optimum performance and clarity during observing sessions, prolonging its lifespan.
  • Question: Where can I buy SVBONY SV135 Zoom Eyepiece in British Virgin Islands?

    Answer: You can purchase the SVBONY SV135 Zoom Eyepiece from Ubuy in British Virgin Islands. Ubuy offers a reliable platform with a variety of products, including this versatile telescope accessory. Their extensive catalog and user-friendly interface allow you to easily locate the SV135, ensuring that you have access to quality astronomical equipment while enjoying a seamless buying experience.

SVBONY Eyepieces FCAW9105B Editorial Review

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SVBONY SV135 Zoom Eyepiece, Zoom 7 to 21mm 1.25 Inch Telescope Eyepiece, Telescope Accessories for Astronomic Visual Observation (40-57) is a versatile optic that offers sharp and clear views, making it an excellent addition to your telescope kit. The zoom function allows you to transition between magnifications smoothly, enhancing your observing experience without needing to swap eyepieces frequently. Users have praised its solid build and comfortable eye relief, while noting that the field of view narrows at maximum zoom, a common trait in this type of eyepiece. This eyepiece is recommended for those looking for an effective yet budget-friendly option for astronomical observations.

Customer Reviews & Ratings

51 customers ratings
  • 5 Star
    60%
  • 4 Star
    14%
  • 3 Star
    8%
  • 2 Star
    5%
  • 1 Star
    13%

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Pros

  • Great zoom range from 7mm to 21mm
  • Sharp and clear optical performance
  • Smooth zoom action for easy adjustments
  • Comfortable eye relief for extended viewing
  • High performance for a budget-friendly price

Cons

  • Field of view narrows at maximum zoom

Platform Trust & Buyer Confidence

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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
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Opaleye
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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Adele
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“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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USD 82

Order now and get it around Monday, September 28

QTY:

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Fastest cross-border delivery

Features & Benefits

  • Versatile 7-21mm zoom eyepiece for multiple astronomical uses.
  • Easily adjust magnification without needing to change eyepieces.
  • High-index glass ensures sharp, high-contrast views.
  • Wide 36°-52° field of view for immersive viewing experiences.
  • Comfortable eye relief with rubber eyecup for all users.
  • Standard 1.25-inch compatibility with telescopes and accessories.

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