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Objective Lens， Cemented Glued Lenses Achromatic Lens for Refracting Astronomical Telescope Objective 70mm Series F280 F400 F700,for Doublet Convex Lens(D73F400 Green Film)
Objective Lens， Cemented Glued Lenses Achromatic Lens for Refracting Astronomical Telescope Objective 70mm Series F280 F400 F700,for Doublet Convex Lens(D73F400 Green Film) Objective Lens， Cemented Glued Lenses Achromatic Lens for Refracting Astronomical Telescope Objective 70mm Series F280 F400 F700,for Doublet Convex Lens(D73F400 Green Film) Objective Lens， Cemented Glued Lenses Achromatic Lens for Refracting Astronomical Telescope Objective 70mm Series F280 F400 F700,for Doublet Convex Lens(D73F400 Green Film) Objective Lens， Cemented Glued Lenses Achromatic Lens for Refracting Astronomical Telescope Objective 70mm Series F280 F400 F700,for Doublet Convex Lens(D73F400 Green Film) Objective Lens， Cemented Glued Lenses Achromatic Lens for Refracting Astronomical Telescope Objective 70mm Series F280 F400 F700,for Doublet Convex Lens(D73F400 Green Film)

Objective Lens， Cemented Glued Lenses Achromatic Lens for Refracting Astronomical Telescope Objective 70mm Series F280 F400 F700,for Doublet Convex Lens(D73F400 Green Film)

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Product details

Management number 219364921 Release Date 2026/05/03 List Price $45.91 Model Number 219364921
Category
  1. Toys & Games
  2. Learning & Education
  3. Optics
  4. Telescope Accessories

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

  • Made optical glass with precision polishing, ensuring stable performance and long service life.
  • This 70mm series achromatic cemented lens comes in F280, F400 and F700 focal lengths, designed as objective lens astronomical telescopes.
  • The cemented achromatic structure effectively corrects chromatic aberration, delivering sharp, high-contrast images for clear and celestial observation.
  • Made optical glass with fine polishing, it ensures high light transmittance, low distortion and stable optical performance.
  • Multiple focal length options meet different observation needs, perfect telescope assembly, modification and upgrading.
  • Standard 70mm caliber provides good compatibility, easy to install and ideal for astronomy enthusiasts to build homemade refracting telescopes.
Brand Generic
Color D73f400 Green Film
Model Name OBFBVOFBM-D73F400GREENFILM
Unit Count 1.0 Count
Manufacturer Generic
Model Number OBFBVOFBM-1AC6A399
Minimum Focal Length 1 Centimeters
Manufacturer Part Number OBFBVOFBM-1AC6A399

Objective Lens， Cemented Glued Lenses Achromatic Lens for Refracting Astronomical Telescope Objective 70mm Series F280 F400 F700,for Doublet Convex Lens(D73F400 Green Film)

Objective Lens， Cemented Glued Lenses Achromatic Lens for Refracting Astronomical Telescope Objective 70mm Series F280 F400 F700,for Doublet Convex Lens(D73F400 Green Film)

Objective Lens， Cemented Glued Lenses Achromatic Lens for Refracting Astronomical Telescope Objective 70mm Series F280 F400 F700,for Doublet Convex Lens(D73F400 Green Film)

Objective Lens， Cemented Glued Lenses Achromatic Lens for Refracting Astronomical Telescope Objective 70mm Series F280 F400 F700,for Doublet Convex Lens(D73F400 Green Film)

Objective Lens， Cemented Glued Lenses Achromatic Lens for Refracting Astronomical Telescope Objective 70mm Series F280 F400 F700,for Doublet Convex Lens(D73F400 Green Film)

Objective Lens， Cemented Glued Lenses Achromatic Lens for Refracting Astronomical Telescope Objective 70mm Series F280 F400 F700,for Doublet Convex Lens(D73F400 Green Film)

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