Objective Lens, 70mm Aperture Series Refraction Gluing Objective Achromatic Lens Parallel Light Tube Astronomy Telescope DIY Accessories,for Doublet Convex Lens(73F330R)

★★★★★ 4.2 59 reviews

$79.42
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$79.42
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Free shipping Free 30-day returns

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Product details

Management number 222405979 Release Date 2026/05/04 List Price $31.77 Model Number 222405979
Category

=========High-concerned chemical : NoneModel Number : YH1498Diameter : 70mm 72mm 73mmFL : 280,316,330,400,700

  • Made optical glass with precision polishing, ensuring stable performance and long service life.
  • This 70mm aperture glued achromatic objective lens delivers excellent chromatic aberration correction, ensuring clear, high-contrast imaging for refracting telescopes.
  • Designed for parallel light output and stable light convergence, greatly improving observation clarity and detail performance.
  • Premium optical glass with professional coating enhances light transmittance and reduces unwanted reflection.
  • Standard 70mm caliber structure ensures strong compatibility for DIY assembly, upgrade and modification of astronomical telescopes.
  • Sturdy optical design with reliable performance, ideal for homemade telescopes and optical experiment setups.
Item Weight 1.76 ounces
Manufacturer Generic
Item model number OBFBVADEO-127AADBC
Product Dimensions 3.94 x 3.94 x 3.94 inches
Manufacturer recommended age 1 - 1 months

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4.2 out of 5
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59 ratings | 24 reviews
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