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SVBONY 1.25" 66° Ultra Wide Eyepiece
SVBONY 6mm 66° Ultra Wide Angle Eyepiece - 1.25"
SVBONY 6mm 66° Ultra Wide Angle Eyepiece - 1.25"
SVBONY 6mm 66° Ultra Wide Angle Eyepiece - 1.25"
SVBONY 6mm 66° Ultra Wide Angle Eyepiece - 1.25"
SVBONY 6mm 66° Ultra Wide Angle Eyepiece - 1.25"
SVBONY 6mm 66° Ultra Wide Angle Eyepiece - 1.25"
SVBONY 6mm 66° Ultra Wide Angle Eyepiece - 1.25"
SVBONY 6mm 66° Ultra Wide Angle Eyepiece - 1.25"
SVBONY 6mm 66° Ultra Wide Angle Eyepiece - 1.25"
SVBONY 6mm 66° Ultra Wide Angle Eyepiece - 1.25"
SVBONY 1.25" 66° Ultra Wide Eyepiece

SVBONY 6mm 66° Ultra Wide Angle Eyepiece - 1.25"

par SVBONY
UGC SV-F9157A
CA$45.00 - CA$45.00
CA$45.00
CA$45.00 - CA$45.00
CA$45.00
Égalisation de prix!
  • 66° Apparent Field of View
  • Available in 6mm, 9mm, 15mm, and 20mm Focal Lengths
  • Fully Multi-Coated Optics
  • Standard 1.25" Barrel
  • Threaded for 1.25" Filters
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Alerte de retour en stock
Info disponibilité
Admissible à la livraison GRATUITE au Canada pour les commandes de plus de 500$.
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • SVBONY 1.25" 66° Ultra Wide Eyepiece

    The SVBONY 1.25" 66° Ultra Wide Eyepiece series, available in 6mm, 9mm, 15mm, and 20mm focal lengths, delivers a dramatically larger viewing area than conventional eyepiece designs. This expanded 66° apparent field creates an immersive, wide-window effect on the sky, allowing you to frame large star clusters and nebulae completely within the standard 1.25" format.

    A 66° Window on the Sky

    The key feature of this eyepiece line is the 66° apparent field of view. This represents a significant increase in observable sky compared to the 50-52° field of a typical Plössl eyepiece, without requiring a move to a 2" focuser. This wider perspective makes it easier to locate objects and appreciate the context of targets like the Andromeda Galaxy (M31) or the Pleiades (M45) against the background starfield.

    1.25” Body with High-Contrast Internals

    Each eyepiece is built into a durable aluminum 1.25" barrel that is compatible with virtually any telescope focuser. The interior of the housing is blackened to absorb stray light, preventing internal reflections from reducing image contrast. This ensures a dark background, making faint details on planets or in nebulosity more apparent. The barrel is also threaded to accept standard 1.25" astronomy filters, allowing you to easily add a moon filter or nebula filter to your setup.

    SVBONY 66° UWA vs. a 52° Plössl Eyepiece

    Compared to a standard 52° Plössl of the same focal length, the SVBONY 66° eyepiece offers a noticeably more expansive view. While a Plössl is a sharp, high-contrast workhorse, its narrower field can feel restrictive on large deep-sky objects.

    • Field of View: The SVBONY's 66° field feels more like looking through a porthole than a narrow tube, making observations more engaging.
    • Object Framing: The wider field allows you to fit entire open clusters like the Beehive Cluster (M44) into a single view at higher power, something a 52° Plössl might struggle with.
    • Trade-Offs: While offering a wider view, budget-friendly ultra-wide eyepieces may exhibit some softness at the very edge of the field in fast (f/5 or lower) telescopes. This is a common trade-off for achieving the wide-field experience at an accessible price point.

  • Which SVBONY 66° eyepiece is best for planetary viewing on an 8" f/10 SCT?

    For an 8" f/10 SCT with a 2000mm focal length, the 9mm SVBONY 66° eyepiece would provide 222x magnification, which is an excellent power for viewing details on Jupiter and Saturn. The 6mm eyepiece would yield 333x, which may be too high for average seeing conditions.

    How does the 66° field of the SVBONY eyepiece help when observing the Orion Nebula (M42)?

    The 66° field of view allows you to see more of the surrounding nebulosity and the "wings" of the Orion Nebula (M42) at the same time you are observing the central Trapezium star cluster. A narrower eyepiece would require you to pan around to see the full extent of the object.

    What is the advantage of the SVBONY 66° eyepiece over a standard Plössl?

    The main advantage is the significantly wider 66° apparent field of view compared to the ~52° field of a Plössl. This provides a more immersive, "spacewalk" feeling and makes it easier to frame large celestial objects without having to move the telescope as often.

    Can I use 1.25" filters with the SVBONY 66° eyepieces?

    Yes. The 1.25" barrel of each SVBONY 66° eyepiece is threaded to accept all standard 1.25" astronomy filters, such as moon filters, planetary color filters, or light pollution filters.

    What kind of optical coatings do the SVBONY 66° eyepieces have?

    These eyepieces feature fully multi-coated optics. This means that all air-to-glass surfaces have multiple layers of anti-reflection coatings to maximize light transmission and image contrast.

    Are the SVBONY 66° Ultra Wide eyepieces parfocal?

    The eyepieces in this series are not guaranteed to be parfocal, meaning you will likely need to make a small focus adjustment when switching between different focal lengths (e.g., from the 20mm to the 9mm).

  • Focal Lengths 6mm, 9mm, 15mm, 20mm
    Apparent Field of View 66°
    Barrel Size 1.25" (31.7mm)
    Coatings Fully Multi-Coated
    Lens Structure Multi-element
    Filter Threads Standard 1.25" Filter Thread (M28.5 x 0.6)
    Material Aluminum

    • SVBONY 1.25" 66° Ultra Wide Eyepiece

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  • SVBONY 1-Year Warranty