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Item #:
18437235
SVBONY Telescope Eyepiece 40mm 1.25 inches Plossl Lens Fully Multi Green Coated Metal 40 Degree Apparent Field 4 Element Telescope Accessory for
Item #:
18437235
€ 25
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Premium symmetrical Plossl optical glass lens gets excellent aberration correction and extremely high resolution.
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What Stands Out
Large Aperture
The 25mm large aperture allows for enhanced light gathering, making celestial objects like the Moon and planets more visible and detailed, perfect for amateur astronomers.
40-Degree FOV
With a 40-degree field of view, this eyepiece provides a wider perspective for stargazing, allowing users to observe more celestial objects comfortably without constantly adjusting their telescope.
Filter Threaded
Equipped with a filter threaded design, this eyepiece helps attach various filters easily, enhancing observation capabilities by reducing glare and improving clarity in different atmospheric conditions.
Product Details
| Focal Length Description | 40 millimeters |
| Lens | Wide Angle |
| Compatible Camera Mount | no |
| Maximum Focal Length | 40 Millimeters |
| Minimum Focal Length | 40 Millimeters |
| Lens Design | Fixed |
| Focus Type | Manual Focus |
| Lens Fixed Focal Length | 40 Millimeters |
| Lens Coating Description | Fully Coated |
| Zoom Ratio | 40 |
| Image stabilization | No image stabilization |
| Real Angle Of View | 40 Degrees |
| Maximum Aperture | 4 f |
| Photo Filter Size | 28.5 Millimeters |
| Compatible Devices | telescope |
| Exposure Control Type | Manual |
| Water Resistance Level | Water Resistant |
| Media Type | ProductImage |
| Viewfinder Type | Optical |
| Color | black |
| Screen Size | 40 Millimeters |
| Brand | SVBONY |
| Camera Lens | The SVBONY 40mm Plossl eyepiece is a fully multi-coated, 4-element optical lens designed for astronomy and telescope use. It features a 1.25-inch barrel with a 40-degree apparent field of view, making it ideal for observing the moon, planets, star clusters, and deep-sky objects. Constructed with blackened lens edges to reduce stray light and housed in durable anodized aluminum, it offers high contrast and clarity. The eyepiece includes a fold-down soft rubber eye guard for comfort and protection, along with an M28.5x0.6 filter thread for compatibility with standard filters. While not intended for photography with interchangeable lenses, it serves as a fixed-focal-length accessory enhancing visual observation experiences. (1026.4 x 1.5 x 0 cm) |
| Model Name | FUSF9122A |
| UPC | 608560829743 |
| Manufacturer Part Number | FUSF9122A |
| Unit Count | 1.0 Count |
| Model Number | FUSF9122A |
| Item Weight | 96 Grams |
| Manufacturer | SVBONY |
| Built-In Media | 1X 40mm eyepiece |
| Lens Type | Wide Angle |
| Compatible Mountings | no |
| Camera Lens Description | The SVBONY 40mm Plossl eyepiece is a fully multi-coated, 4-element optical lens designed for astronomy and telescope use. It features a 1.25-inch barrel with a 40-degree apparent field of view, making it ideal for observing the moon, planets, star clusters, and deep-sky objects. Constructed with blackened lens edges to reduce stray light and housed in durable anodized aluminum, it offers high contrast and clarity. The eyepiece includes a fold-down soft rubber eye guard for comfort and protection, along with an M28.5x0.6 filter thread for compatibility with standard filters. While not intended for photography with interchangeable lenses, it serves as a fixed-focal-length accessory enhancing visual observation experiences. See more (1026.4 x 1.5 x 0 cm) |
Who Should Buy?
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Beginners in Astronomy
Ideal for novice stargazers wanting an affordable yet functional eyepiece for observing the moon and planets.
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Casual Stargazers
Great choice for users who enjoy occasional sky watching without investing in high-end equipment.
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Budget-Conscious Users
Affordable eyepiece offering good quality for those on a limited budget looking for entry-level telescopic accessories.
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Experienced Astronomers
Advanced users may find the 40-degree field of view limiting for detailed astronomical observations.
Product Description
SVBONY Telescope Eyepiece 40mm 1.25 inches Plossl Lens Fully Multi Green Coated Metal 40 Degree Apparent Field 4 Element Telescope Accessory for Astronomy Telescope
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the focal length of the SVBONY Telescope Eyepiece?
Answer: The SVBONY Telescope Eyepiece features a focal length of 40mm. This long focal length makes it ideal for low-magnification viewing, allowing users to see wide-field images of celestial objects. It is perfect for observing star clusters, galaxies, and even expansive landscapes, making it a versatile accessory for both novice and experienced astronomers alike. -
Question:
What is the field of view for the SVBONY 40mm Plossl eyepiece?
Answer: This eyepiece offers a 40-degree apparent field of view, which is suitable for various astronomical observations. While it provides a narrower field compared to ultra-wide eyepieces, the 40-degree field ensures detailed views of objects without excessive edge distortion. It's particularly useful when tracking objects across the sky or exploring the moon's surface with clarity. -
Question:
Is the SVBONY Telescope Eyepiece compatible with all telescopes?
Answer: The SVBONY 40mm Plossl eyepiece has a 1.25-inch barrel size, which is compatible with most astronomical telescopes outfitted with this standard eyepiece size. Before purchasing, it's essential to check your telescope's specifications. This compatibility makes it an excellent addition for enhancing your stargazing experience across different telescope models. -
Question:
What materials are used in the SVBONY Telescope Eyepiece?
Answer: The SVBONY eyepiece is constructed with fully multi-coated optical glass and a durable metal body. The multi-coating enhances light transmission, reducing reflections and improving image clarity. This construction not only contributes to excellent optical performance but also ensures durability, making it suitable for various outdoor conditions, ensuring users can enjoy stargazing for extended periods. -
Question:
Can I use the SVBONY eyepiece for planetary observation?
Answer: Yes, the SVBONY 40mm Plossl eyepiece can be used for planetary observation, though it’s ideal for low-magnification views. When viewing planets, this eyepiece allows you to observe larger features and atmospheric details, especially during moments of stable atmospheric conditions. It is great for beginners who want to take in the beauty of planets like Saturn and Jupiter with clarity. -
Question:
What are the advantages of using a Plossl design?
Answer: Plossl designs, such as the SVBONY 40mm eyepiece, provide a good balance between quality and affordability. They feature four elements arranged in two doublet groups, offering a flat field and minimal distortion. These designs are favored for their consistent performance across different focal lengths, making them a reliable choice for both deep-sky observation and planetary views, enhancing your overall sky-watching experience. -
Question:
How does multi-coating benefit the eyepiece performance?
Answer: The fully multi-coated optics in the SVBONY eyepiece improve light transmission and reduce glare. This enhances the contrast and color accuracy of images, ensuring a more vivid and enjoyable viewing experience. Users will appreciate the sharper images and reduced ghosting effects, especially when observing bright stars and planetary bodies against darker skies. -
Question:
What type of mount is required for the SVBONY 40mm eyepiece?
Answer: To use the SVBONY 40mm Plossl eyepiece, you need a telescope with a 1.25-inch eyepiece holder. This size is common among a wide range of telescopes, from beginner models to advanced setups. Ensure your telescope can accommodate this size, and you will have a versatile tool for various observational needs. -
Question:
Is the SVBONY Telescope Eyepiece suitable for astrophotography?
Answer: While the SVBONY 40mm Plossl eyepiece is primarily designed for visual observation, it can also serve as part of a setup for eyepiece projection astrophotography. However, for optimal results in astrophotography, users may want to consider dedicated photographic eyepieces or adaptors that can better capture images for celestial objects in detail. -
Question:
Where can I buy SVBONY Telescope Eyepiece 40mm 1.25 inches?
Answer: You can conveniently purchase the SVBONY Telescope Eyepiece 40mm 1.25 inches from Ubuy in Ireland. Ubuy offers a user-friendly platform for exploring various telescope accessories, and you can find this specific eyepiece among their extensive range of astronomical products.
SVBONY Eyepieces FUSF9122A Editorial Review
This SVBONY PLOSSL 40mm Eyepiece is a great accessory for telescopes and provides a wider and brighter field of view. The lenses are made of fully multi-coated green glass, which gives clear and crisp images of the moon and planets like Jupiter. Overall, customers who have purchased this eyepiece have had a good experience and are satisfied with the product's performance. However, some customers have faced issues with eye comfort and obstruction while using the product.
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Pros
- Provides clear and crisp images
- Wider and brighter field of view
- Great quality for the price
- Perfect fit
Cons
- Eye comfort could be better
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
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Leila
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“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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€ 25
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Features & Benefits
- Premium symmetrical Plossl optical glass lens
- Excellent aberration correction
- Extremely high resolution
- Broad-field lunar observations
- Metal material for lens protection
- Comes with sturdy plastic case
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