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Objective Lens， 72 73mm Telescope Cemented Doublet Objective Lens Achromatic Optical Lenses Focal Length 280mm 700mm,for Doublet Convex Lens(72F700G)
Objective Lens， 72 73mm Telescope Cemented Doublet Objective Lens Achromatic Optical Lenses Focal Length 280mm 700mm,for Doublet Convex Lens(72F700G) Objective Lens， 72 73mm Telescope Cemented Doublet Objective Lens Achromatic Optical Lenses Focal Length 280mm 700mm,for Doublet Convex Lens(72F700G) Objective Lens， 72 73mm Telescope Cemented Doublet Objective Lens Achromatic Optical Lenses Focal Length 280mm 700mm,for Doublet Convex Lens(72F700G)

Objective Lens， 72 73mm Telescope Cemented Doublet Objective Lens Achromatic Optical Lenses Focal Length 280mm 700mm,for Doublet Convex Lens(72F700G)

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Product details

Management number 219364924 Release Date 2026/05/03 List Price US$25.22 Model Number 219364924
Category
  1. Toys & Games
  2. Learning & Education
  3. Optics
  4. Telescope Accessories

=========High-concerned chemical : NoneModel Number : 72 73mm Cemented Doublet Lens

  • Made optical glass with precision polishing, ensuring stable performance and long service life.
  • This 72/73mm cemented doublet objective lens features achromatic optical design, with 280mm and 700mm focal lengths for astronomical telescopes.
  • The achromatic doublet structure effectively reduces chromatic aberration, providing sharp,images for celestial observation.
  • Made polished optical glass, it ensures high light transmittance, low distortion and stable long-term performance.
  • Two focal lengths are available to meet different observation and DIY assembly requirements for refracting telescopes.
  • Standard caliber and reliable cemented design ensure easy installation, ideal for telescope building, replacement and upgrading.
Item Weight 1.76 ounces
Manufacturer Generic
Item model number OBFBVNVAM-3D65F67B
Product Dimensions 3.94 x 3.94 x 3.94 inches
Manufacturer recommended age 1 - 1 months

Objective Lens， 72 73mm Telescope Cemented Doublet Objective Lens Achromatic Optical Lenses Focal Length 280mm 700mm,for Doublet Convex Lens(72F700G)

Objective Lens， 72 73mm Telescope Cemented Doublet Objective Lens Achromatic Optical Lenses Focal Length 280mm 700mm,for Doublet Convex Lens(72F700G)

Objective Lens， 72 73mm Telescope Cemented Doublet Objective Lens Achromatic Optical Lenses Focal Length 280mm 700mm,for Doublet Convex Lens(72F700G)

Objective Lens， 72 73mm Telescope Cemented Doublet Objective Lens Achromatic Optical Lenses Focal Length 280mm 700mm,for Doublet Convex Lens(72F700G)

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