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SVBONY SV135 Zoom Eyepiece, Zoom 7 to 21mm 1.25 inch Telescope Eyepiece, 6 Element 4 Group Telescope Accessories for Astronomic Telescopes Visual | Planetary Observation, 7-21mm Zoom Eyepiece, FMC 6 Element 4 Group Lens, Durable Metal Telescope Accessory Structure
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SVBONY SV135 Zoom Eyepiece, Zoom 7 to 21mm 1.25 inch Telescope Eyepiece, 6 Element 4 Group Telescope Accessories for Astronomic Telescopes Visual | Planetary Observation, 7-21mm Zoom Eyepiece, FMC 6 Element 4 Group Lens, Durable Metal Telescope Accessory Structure
One eyepiece for multiple uses; this 7-21mm zoom eyepiece allows you to change magnification power without swapping out eyepieces.
SVBONY SV135 Zoom Eyepiece, Zoom 7 to 21mm 1.25 inch Telescope Eyepiece, 6 Element 4 Group Telescope Accessories for Astronomic Telescopes Visual | Planetary Observation, 7-21mm Zoom Eyepiece, FMC 6 Element 4 Group Lens, Durable Metal Telescope Accessory Structure
Item #: 220676428

SVBONY SV135 Zoom Eyepiece, Zoom 7 to 21mm 1.25 inch Telescope Eyepiece, 6 Element 4 Group Telescope Accessories for Astronomic Telescopes Visual |

Item #: 220676428

LAK 1305555

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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 Zoom Eyepiece, Zoom 7 to 21mm 1.25 inch Telescope Eyepiece, 6 Element 4 Group Telescope Accessories for Astronomic Telescopes Visual | Planetary Observation, 7-21mm Zoom Eyepiece, FMC 6 Element 4 Group Lens, Durable Metal Telescope Accessory Structure online at a best price in Laos. B0DLMP2QX7
Eye Piece Lens Description6-Element 4-Group Fully Multi-Coated
MountFixed Mount
Focus TypeManual Focus
Power SourceZoom Eyepiece
Finderscopeno
Compatible Devicestelescope
CoatingFully Multi-Coated
Focal Length Description93 millimeters
Field Of View57 degrees
Zoom Ratio3
Additional Features40 degree - 57 degree wide angle field of view, 6 Element 4 Group, Fully multi-coated, Zoom 7 to 21mm
Optical-Tube Length7 millimeters
Objective Lens Diameter21 millimeters
Item Dimensions D x W x H4.33"D x 2.76"W x 3.15"H (11 x 7 x 8 cm)
Item Weight230 g
Exit Pupil Diameter3 millimeters
BrandSVBONY
Model NameSV135
Unit Count1 Count
ManufacturerSVBONY
Built-In Media1X 7 to 21mm Zoom Eyepiece
Model NumberFAUW9105A
Manufacturer Part NumberEUW9105A
Optical Tube Length7 millimeters
Telescope Mount DescriptionFixed Mount
Product Dimensions (L x W x H)4.33"D x 2.76"W x 3.15"H (11 x 7 x 8 cm)

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

SVBONY SV135 Zoom Eyepiece, Zoom 7 to 21mm 1.25 inch Telescope Eyepiece, 6 Element 4 Group Telescope Accessories for Astronomic Telescopes Visual | Planetary Observation, 7-21mm Zoom Eyepiece, FMC 6 Element 4 Group Lens, Durable Metal Telescope Accessory Structure

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What type of telescopes is the SVBONY SV135 Zoom Eyepiece compatible with?

    Answer: The SVBONY SV135 Zoom Eyepiece is designed to be compatible with most astronomical telescopes that feature a 1.25-inch focuser. This versatility allows it to fit a wide range of telescope brands and models, making it an ideal accessory for both beginners and seasoned astronomers. The eyepiece enhances your viewing experience by offering varying magnifications from 7mm to 21mm, enabling you to explore celestial objects in greater detail. Whether you're observing planets, star clusters, or nebulae, this eyepiece will adapt to different viewing needs.
  • Question: What are the key features of the SVBONY SV135 Zoom Eyepiece?

    Answer: Key features of the SVBONY SV135 Zoom Eyepiece include a zoom range from 7mm to 21mm and a five-element, three-group optical design. This intricate construction ensures superior image clarity and minimizes distortions or aberrations, giving you more vibrant and sharp views of astronomical objects. The zoom function facilitates quick adjustments in magnification, making it convenient for both casual gazing and detailed observation. It's particularly beneficial for quickly switching between different celestial targets during an observing session.
  • Question: Can I use the SVBONY SV135 Zoom Eyepiece for astrophotography?

    Answer: While the SVBONY SV135 Zoom Eyepiece is primarily designed for visual observation, it can also be used in astrophotography as part of a setup with a camera adapter. The variable magnification allows photographers to select the ideal focal length for capturing images of planets, the moon, or deep-sky objects. However, keep in mind that to achieve the best results in astrophotography, a dedicated camera and mount setup will typically yield superior performance compared to using traditional eyepieces.
  • Question: Is the SVBONY SV135 Zoom Eyepiece suitable for both lunar and planetary observation?

    Answer: Yes, the SVBONY SV135 Zoom Eyepiece is well-suited for both lunar and planetary observation. Its magnification range of 7mm to 21mm allows users to zoom in closely on features of the Moon, such as craters and maria, while also providing adequate magnification for viewing details of planets like Jupiter and Saturn. The optical quality ensures minimal light loss and optimum contrast, making it a valuable tool for detailed observational experiences under different astronomical conditions.
  • Question: What is the eye relief of the SVBONY SV135 Zoom Eyepiece, and why is it important?

    Answer: The SVBONY SV135 Zoom Eyepiece offers an eye relief of approximately 15mm, making it comfortable for users, especially those who wear glasses. Adequate eye relief is important because it allows users to view the full field of view without straining their eyes or needing to remove spectacles. This feature enhances the overall viewing experience, enabling longer observation sessions without discomfort, which is particularly useful when observing dim or distant celestial objects.
  • Question: Can I use filters with the SVBONY SV135 Zoom Eyepiece?

    Answer: Yes, the SVBONY SV135 Zoom Eyepiece is designed to accommodate standard 1.25-inch filters. Users can easily apply various filters, such as moon filters, light pollution filters, or color filters, to enhance their viewing experience. Filters can help reduce glare from the Moon or improve contrast when observing Jupiter’s bands or Saturn’s rings. When combined with the eyepiece's variable magnification, filters can significantly enhance clarity and detail, allowing for a richer observational experience.
  • Question: What are the benefits of using a zoom eyepiece compared to fixed focal length eyepieces?

    Answer: Using a zoom eyepiece like the SVBONY SV135 offers considerable benefits over fixed focal length eyepieces. The primary advantage is flexibility in magnification, allowing users to smoothly transition between different powers without needing to swap eyepieces. This simplicity is especially advantageous during quick viewing sessions or when observing moving objects. Moreover, it reduces the need to carry multiple eyepieces, making it more portable and user-friendly, especially for beginners who are just starting their astronomical journeys.
  • Question: How does the construction of the SVBONY SV135 enhance its optical performance?

    Answer: The SVBONY SV135 Zoom Eyepiece features a five-element, three-group design, which is crucial for optimizing optical performance. This construction minimizes chromatic aberrations and distortion while maximizing light transmission, resulting in sharp and clear images. Each element is carefully arranged to enhance color fidelity and contrast, which is particularly important for viewing faint deep-sky objects. The eyepiece's multi-coated lenses further improve light transmission and reduce glare, ensuring crisp views that enrich your stargazing experience.
  • Question: What is the weight of the SVBONY SV135 Zoom Eyepiece?

    Answer: The SVBONY SV135 Zoom Eyepiece weighs approximately 0.5 pounds (227 grams), which makes it relatively lightweight compared to many standard eyepieces. This portability makes it a practical choice for field use, as it won’t add significant bulk to your observing kit. Its weight allows for easy handling and quick adjustments on the telescope, making it an optimal choice for astronomers who move between different viewing locations or engage in long observation sessions.
  • Question: Where can I buy the SVBONY SV135 1.25” Zoom Eyepiece in Laos?

    Answer: You can buy the SVBONY SV135 1.25” Zoom Eyepiece through Ubuy, which offers a wide selection of telescope accessories. Ubuy provides a convenient online shopping experience, allowing you to browse and ensure you find the right product for your astronomical needs. With options for different locations within Laos, Ubuy makes it easy to purchase your new eyepiece and enhance your stargazing adventures.

SVBONY Eyepieces FAUW9105A Editorial Review

The SVBONY SV135 eyepiece has garnered a mixed but largely positive reception among amateur astronomers. Users commend its impressive optical performance at an affordable price point, particularly highlighting its ability to produce clear, sharp images that rival those of significantly more expensive alternatives. Many users were able to observe celestial bodies like Jupiter and Saturn with remarkable details, enhancing their stargazing experience Considerably. The versatility of the SV135 as a zoom eyepiece also impressed a number of customers. Those who had previously hesitated to invest in a zoom eyepiece due to concerns over optical quality expressed satisfaction with this product, stating it exceeded their expectations and outperformed initial "junk" telescopes when paired with the eyepiece. This suggests that the SV135 serves as a reliable upgrade for both novice and seasoned astronomers seeking affordability without compromising quality. However, a recurring issue in user feedback concerns quality control. Several users reported receiving damaged units right out of the box, including complaints about loose parts and other defects. Despite these initial issues, many praised the company's customer service, which swiftly addressed replacements without hassle. This responsiveness appears to have left many customers feeling positive about the brand overall, despite the initial disappointments. On a critical note, there were isolated comments describing issues with the zoom mechanism’s delicacy and how the image quality might diminish Considerably with increased magnification. This suggests that while the base performance of the eyepiece is commendable, there are limitations that potential buyers should be aware of. In summary, the SVBONY SV135 eyepiece is recognized as an affordable, high-quality alternative for stargazers, offering exceptional clarity and versatility. Its customer service is a strong selling point despite some concerns about manufacturing quality. **

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Pros

  • Excellent optical performance at a low price
  • Clear and sharp images across zoom range
  • Versatile for both novice and experienced users

Cons

  • Reports of damaged units upon arrival

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LAK 1305555

Order now and get it around Wednesday, August 26

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Features & Benefits

  • Versatile 7-21mm zoom eyepiece for easy magnification adjustments.
  • High-quality 5-element 3-group lens delivers sharp, high contrast images.
  • Wide 36°-52° field of view enhances your viewing experience.
  • Comfortable 13-14mm eye relief with rubber eyecup for extended use.
  • Standard 1.25-inch compatibility ensures it fits most telescopes.

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