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SVBONY 0.5× Focal Reducer 1.25″ for Eyepiece PhotographyThe SVBONY 0. 5 Focal Reducer is a compact 1. 25 inch accessory designed to widen the field of view for eyepiece based astrophotography and visual observing. By reducing the effective focal length, it allows larger celestial objects to fit more comfortably within the frame and improves usability with entry level imaging setups. Key Features 0. 5 Focal Reduction Reduces the effective focal length by approximately 50%, delivering a significantly wider
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The SVBONY 0.5× Focal Reducer is a compact 1.25-inch accessory designed to widen the field of view for eyepiece-based astrophotography and visual observing. By reducing the effective focal length, it allows larger celestial objects to fit more comfortably within the frame and improves usability with entry-level imaging setups.

SVBONY 0.5x focal reducer 1.25 inch side view


Key Features

  • 0.5× Focal Reduction
    Reduces the effective focal length by approximately 50%, delivering a significantly wider field of view for both observing and basic astrophotography.
  • Wider Framing for Large Objects
    Particularly useful for extended deep-sky targets such as nebulae, open clusters, and the Moon.
  • Anti-Reflection Coated Optics
    Fully coated air-to-glass surfaces improve contrast and reduce internal reflections, helping maintain image clarity.
  • Suitable for Visual & Eyepiece Projection Imaging
    Can be used visually to increase true field of view, or with eyepiece-projection and entry-level CCD/CMOS imaging setups.
  • All-Metal Construction
    Durable metal housing with precise 28.5×0.6 threading on both ends for secure attachment.

Use Case & Performance Notes

This 0.5× reducer is best suited to small sensors, planetary cameras, and eyepiece-based imaging. The actual reduction factor may vary depending on spacing and optical configuration.

  • Ideal for Moon and large deep-sky objects
  • Useful for improving framing with short eyepiece projection setups
  • Not designed for full-frame or large-sensor deep-sky imaging

Compatibility Notes

  • 1.25-inch eyepiece and accessory systems
  • Thread specification: 28.5×0.6 (standard 1.25-inch filter thread)
  • Best results achieved with modest sensor sizes and careful spacing

SVBONY 0.5× Focal Reducer 1.25″ for Eyepiece Photography

Item no : 60024942507
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US$ 15.99
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Min. order: 1piece

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