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🔭 See the Universe Like Never Before — Don’t Miss Out on the Stars!
The SVBONY 40mm 1.25" Plossl Telescope Eyepiece features a 4-element fully multi-coated lens system with a wide 40° apparent field of view, ideal for detailed lunar, planetary, and deep-sky observations. Its durable metal construction, fold-down rubber eyeguard, and standard 1.25" barrel with filter threading make it a versatile, comfortable, and long-lasting accessory for amateur astronomers seeking immersive celestial experiences.















| ASIN | B01MAZ7LA6 |
| Best Sellers Rank | #467,163 in Electronics ( See Top 100 in Electronics ) #73 in Telescope Eyepieces |
| Box Contents | 1X 40mm eyepiece |
| Brand | SVBONY |
| Brand Name | SVBONY |
| Colour | black |
| Compatible Devices | telescope |
| Compatible Mountings | no |
| Country of Origin | USA |
| Customer Reviews | 4.6 out of 5 stars 1,057 Reviews |
| Exposure Control Type | Manual |
| Fixed Focal Length | 40 Millimetres |
| Focal Length Description | 40 millimeters |
| Focus Type | Manual Focus |
| Image Stabilization Type | No image stabilization |
| Item Weight Unit of Measure | 96 Grams |
| Lens | Wide Angle |
| Lens Coating Description | Fully Multi Coated |
| Lens Design | Plossl |
| Lens Type | Wide Angle |
| Manufacturer | SVBONY |
| Manufacturer Part Number | FUSF9122A |
| Maximum Aperture | 4 f |
| Maximum Focal Length | 40 Millimeters |
| Maximum Focal Length Unit of Measure | 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 Unit of Measure | 40 Millimetres |
| UPC | 608560829743 |
| Unit Count | 1 Count |
| Viewfinder Type | Optical |
| Water Resistance Level | Water Resistant |
| Zoom Ratio | 40 |
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
S**.
Good
Good in condition and quality only can buy it for enjoying skies,good field of view,u can see star clusters, Jupiter it's moon ,saturn
J**R
A great utility lens.
Although inexpensive seems like high quality. Good optics. Clear. Sharp. A good utility lens.
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.
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.
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
3 weeks ago
3 weeks ago