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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.

SVBONY SV131 17mm 48° Plössl Eyepiece - 1.25"

by SVBONY
SKU SV-W9101D
$16.79 - $16.79
$16.79
$16.79 - $16.79
$16.79
Price Match Policy!
  • Classic 4-Element Plössl Optical Design
  • Fully Multi-Coated (FMC) Optics
  • Standard 1.25" Barrel with M28.5*0.6 Filter Threads
  • All-Metal Construction with Rubber Grip
  • Blackened Lens Edges to Reduce Internal Reflections
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • Svbony SV131 1.25" Plossl Eyepiece

    The Svbony SV131 1.25" Plossl Eyepiece series uses a classic 4-element optical design to deliver bright, high-contrast views, making it an excellent upgrade from standard kit eyepieces. With a standard M28.5*0.6 filter thread, each eyepiece in the SV131 series accepts all 1.25-inch filters for enhancing contrast on nebulae and planets.

    4-Element Plössl Optics: FMC Coatings and Baffling

    The SV131 is built around the time-tested 4-element, 2-group Plössl design, known for its sharp on-axis views and excellent light transmission. Svbony enhances this design with fully multi-coated (FMC) optics to maximize brightness and contrast, which is critical for resolving faint detail in deep-sky objects like star clusters and galaxies. To further improve image quality, the lens edges are blackened to eliminate stray light and internal reflections that can wash out faint details.

    1.25-Inch All-Metal Body with Filter Threads

    The eyepiece features a durable, all-metal housing with a chrome-plated 1.25-inch barrel that resists wear and provides a secure fit in any standard focuser or diagonal. The interior of the barrel is matte-threaded to absorb off-axis light, ensuring a dark background sky. For secure handling, even with gloves on, an eco-friendly rubber anti-slip ring provides a confident grip and helps prevent accidental drops.

    SV131 Plössl vs. Other Eyepiece Designs: Where It Fits

    While advanced wide-field eyepieces offer a more immersive experience, they come at a significantly higher cost and complexity. The Plössl design strikes a critical balance, delivering far better correction and sharpness than simpler Kellner or Huygens eyepieces that are often included with beginner telescopes. The SV131 Plössl is the logical next step for an observer wanting to see what their telescope is truly capable of without a major investment. The primary trade-off is typically a tighter eye relief compared to more expensive, complex designs, particularly in the shorter focal lengths.

  • What makes the Svbony SV131 Plössl a good choice for deep-sky observing?

    The Svbony SV131's 4-element Plössl design and fully multi-coated optics maximize light transmission and contrast. This makes it easier to see faint details in nebulae, star clusters, and galaxies compared to basic kit eyepieces. The blackened lens edges also contribute to a darker background, making faint objects stand out.

    Can I use filters with the Svbony SV131 eyepiece?

    Yes. The Svbony SV131 features a standard 1.25-inch barrel with M28.5*0.6 threads, making it compatible with all standard 1.25-inch astronomy filters. This allows you to use nebula filters like a UHC or O-III to improve views of emission nebulae, or colored filters to enhance details on planets.

    How does the Svbony SV131 Plössl compare to the eyepieces that came with my telescope?

    Most entry-level telescopes come with simpler eyepiece designs like Kellner or Ramsden. The Svbony SV131 Plössl offers a significant upgrade in image sharpness, color correction, and contrast due to its more advanced 4-element design and superior coatings. You will likely notice sharper stars, especially towards the edge of the field, and better overall image brightness.

    Which Svbony SV131 focal length is best for viewing the Orion Nebula (M42) in an 8" Dobsonian?

    For a large object like the Orion Nebula (M42) in a typical 8" f/6 Dobsonian, a lower-power eyepiece is ideal for framing the entire structure. A focal length in the 25mm to 40mm range from the SV131 series would provide a wide field of view to see the nebula and its surrounding stars. A mid-power eyepiece, like a 17mm, would then be excellent for getting a closer look at the Trapezium star cluster at its core.

    Will the Svbony SV131 eyepiece work for planetary viewing of Jupiter in my 90mm refractor?

    Absolutely. For planetary viewing, higher magnification is needed to resolve details like Jupiter's cloud bands or Saturn's rings. In a 90mm refractor (which typically has a focal length around 900mm), the shorter focal length eyepieces from the Svbony SV131 series, such as the 6mm or 12mm, would provide the necessary magnification for detailed planetary observation.

    What is the benefit of the all-metal construction on the Svbony SV131?

    The all-metal construction provides durability and a solid feel. Unlike plastic eyepieces, the metal body is more resistant to temperature changes and physical damage. The chrome-plated barrel ensures a smooth, non-binding fit in your telescope's focuser for years of reliable use.

  • Specifications Data not available.
  • Svbony 1-Year Warranty