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🌠 Unlock the Universe in Ultra-Clear Wide-Angle Views!
The SVBONY 40mm Plossl Telescope Eyepiece features a 4-element fully multi-coated green lens system offering a 40° apparent field of view. Designed for 1.25-inch telescopes, it delivers sharp, achromatic images ideal for lunar, planetary, and deep sky observations. Its fold-down rubber eyeguard enhances comfort and protects glasses, while the robust metal build and included carrying case ensure durability and portability. Highly rated and compatible with standard astronomy filters, it’s a top choice for serious stargazers seeking wide, clear views.















| ASIN | B01MAZ7LA6 |
| Best Sellers Rank | #10 in Telescope Eyepieces |
| Brand | SVBONY |
| Built-In Media | 1X 40mm eyepiece |
| Color | black |
| Compatible Camera Mount | no |
| Compatible Devices | telescope |
| Compatible Mountings | no |
| Customer Reviews | 4.6 out of 5 stars 1,109 Reviews |
| Exposure Control Type | Manual |
| Focal Length Description | 40 millimeters |
| Focus Type | Manual Focus |
| Image stabilization | No image stabilization |
| Item Weight | 96 Grams |
| Lens | Wide Angle |
| Lens Coating Description | Fully Coated |
| Lens Design | Fixed |
| Lens Fixed Focal Length | 40 Millimeters |
| Lens Type | Wide Angle |
| Manufacturer | SVBONY |
| Manufacturer Part Number | FUSF9122A |
| Maximum Aperture | 4 f |
| Maximum Focal Length | 40 Millimeters |
| Media Type | ProductImage |
| Minimum Focal Length | 40 Millimeters |
| Model Name | FUSF9122A |
| Model Number | FUSF9122A |
| Photo Filter Size | 28.5 Millimeters |
| Real Angle Of View | 40 Degrees |
| Screen Size | 40 Millimeters |
| UPC | 608560829743 |
| Unit Count | 1.0 Count |
| Viewfinder Type | Optical |
| Warranty Description | We provide 1 year warranty for SVBONY telescope accessories and 30 days no reason to return. Beyond the warranty period: We still offer maintain service, buyers are required to afford corresponding costs. We processed in the most hassle-free way possible.You just need to contact with us on Amazon ,we will reply you within 12 hours |
| Water Resistance Level | Water Resistant |
| Zoom Ratio | 40 |
I**E
Excellent Wide-View Eyepiece – Great Value for the Price
The SVBONY 40mm Plössl eyepiece is a fantastic addition to any telescope setup, especially if you enjoy wide-field viewing. It delivers a bright, clear image with a noticeably larger field of view, making it perfect for scanning the night sky, star clusters, and larger deep-sky objects. The fully multi-coated optics really make a difference—images appear sharp with good contrast, and light transmission is impressive for an eyepiece in this price range. It performs especially well under darker skies where you can take full advantage of the wide view. Build quality is solid, with a nice all-metal construction that feels durable and well-made. The eyepiece has a good weight to it without being too heavy, and it fits securely in a standard 1.25” focuser. Eye relief is comfortable, which makes longer observing sessions much more enjoyable, even for beginners. It’s also a great choice if you wear glasses. Overall, this is an excellent budget-friendly upgrade that significantly enhances your viewing experience.
J**N
High quality materials and build. Great buy!
Impressive quality as to materials and build. Solid metal and multi-coated glass. Blackened internally to reduce stray light reflections. I have yet to view through it in the field, but am very confident that I will be very pleased, based on a thorough review by my highly trusted and very reliable YouTube reviewer, Jason of Small Optics. I purchased a second one for my neighbors, who are giving their young daughters a Celestron beginners' refractor telescope for Christmas 2023. A 40mm eyepiece is a great tool to be used with the stock eyepieces of any beginner scope or with more advanced scopes, as it provides a wider view of the sky. That wider view enables one to be well-oriented as to where to look and move the scope for bringing desired viewing targets into the center of the telescope's view. Then, one can simply lock the scope to that position, then replace the 40mm eyepiece with a 25mm, 10mm, etc. for greater magnification of the desired target, loosen locks of telescope, and off to viewing the target close up with the more powerful stock eyepiece. Alternatively, the 40mm can help provide beautiful sweeping vistas for those who enjoy simply scanning the night sky full of many more beautiful stars, planets, and clusters, etc. than the naked human eye can ever detect.
T**R
nice
nice and clear. wider angle makes a clearer image
D**F
Just fine
Nice for the money clear easy to look thru
A**W
Good quality
Nice lens
S**C
So much better than anything oem
A million times better than the pack-in lens with my scope. Worth every penny
N**.
Rookie's Perspective - Very Nice Eyepiece
I'm just a rookie so my review must be taken according. I do like the wider angle of the 40mm eyepiece for certain viewing conditions. Materials seem like decent quality.
K**7
Great Eyepiece for the money!
I didn't pay very much for this eyepiece, so I was really surprised to see how good it was for the money. I bought it primarily for stargazing. I wanted to bring the power on my 70mm Celestron spotting scope down to 10X (the longest focal length stock eyepiece it came with was 20mm, or 20X). This eyepiece produces a clear, sharp edge-to-edge image of stars, with no signs of optical aberrations. I tested it during the day for terrestrial viewing and found it to produce a sharp image as well. I'm also really pleased with the wide field of view. Good eyepiece!
J**R
A great utility lens.
Although inexpensive seems like high quality. Good optics. Clear. Sharp. A good utility lens.
G**E
buena calidad
Un ocular de buena construcción, sólido, ofrece vistas brillantes y generoso campo de visión, puede ser útil para quien use gafas pues tiene suficiente alivio. Muy útil. Tal vez el único "pero" es que, su angulo de visión al eje óptico, aunque suficiente, es algo delicado, esto es que si no estas bien alineado ojo-ocular se produce una sombra (kidney beaning). No es un problema por que así son los Plossls. Finalmente es un sobresaliente relación calidad-precio, si lo recomiendo.
N**R
Good
Good product but not much useful in 1.25 inch barrel...because it can't show wider field then 32 mm due to limit of it's barrel
R**N
Smaller is often better
The 25mm eyepiece magnifies too much for Pleaides, which touches the perimeter of the field of view for my 10" Newtonian telescope. This 40mm eyepiece is better for magnification of larger fields of view. Nearby Jupiter and 4 of its moons are a great deal less across and need the 25mm because the 40mm isn't enough.
K**R
Nice quality
Hi I bought 2 for my binoculars wasn't quite confident for the price.but better than some of my expensive eyepieces
Trustpilot
2 weeks ago
5 days ago