Objective Lens, D83mm Focal 400/500/900mm Optical Glass Objective Lens Green Film Doublet Optics Double Convex for DIY Astronomic Telescope,for Doublet Convex Lens(440mm)

★★★★★ 4.9 86 reviews

US$23.58
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US$23.58
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 219364911 Release Date 2026/05/03 List Price US$23.58 Model Number 219364911
Category

========High-concerned chemical : None

  • Made optical glass with precision polishing, ensuring stable performance and long service life.
  • This 83mm diameter objective lens offers 400/500/900mm focal lengths, made of optical glass with green film coating, ideal for DIY astronomical telescopes.
  • Adopting doublet double convex structure, it effectively improves imaging quality and provides clear views and celestial observation.
  • Green coating enhances light transmittance, reduces reflection and stray light, ensuring brighter and more stable optical performance.
  • polished optical glass guarantees low distortion and reliable long-term use for homemade telescope projects.
  • Multiple focal length options meet various observation needs, perfect for assembly, replacement and upgrade of DIY telescopes.
Brand Generic
Color 440mm
Model Name OBFBVVMAE-440MM
Unit Count 1.0 Count
Manufacturer Generic
Model Number OBFBVVMAE-2D526AF3
Minimum Focal Length 1 Centimeters
Manufacturer Part Number OBFBVVMAE-2D526AF3

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4.9 out of 5
★★★★★
86 ratings | 35 reviews
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