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D40 Achromatic Objective Lens for Refractive Astronomical Telescope - 40mm Diameter, 205mm Focal Length,1pcs(44F301.5 Green Film Turned Black) in Saudi Arabia

D40 Achromatic Objective Lens for Refractive Astronomical Telescope - 40mm Diameter, 205mm Focal Length,1pcs(41F156 Green Film) 42F100 Blue Film

SAR 603
Brand
QCUOWWEYW
Category
Telescopes
Size42F100 Blue Film
– 1 +

Special Features

  • D40 achromatic objective lens devised for self-made refractive astronomical telescopes.
  • Features a 40mm actual diameter and a focal length of 205mm, ensuring clear and sharp images of objects.
  • Coated with an adhesive blue film to enhance light transmission and reduce chromatic aberration for optimal viewing.
  • Easy to assemble; simply position the thin side towards the scene and the thick side towards the mirror tube.
  • Perfect for amateur astronomers looking to enhance their telescope's performance and explore the night sky.

Description

Assembly precautions: Assembly direction, the thin side of the lens towards the direction of the scene and the thick lens towards the direction of the mirror tube.
1 Pcs/Package

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