D70mm Achromatic Objective Lens for DIY Astronomical Telescope - 400mm, 280mm, 330mm Focal Length Options,1pcs(73F280 Green Film)
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Description
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D70mm achromatic objective lens devised for DIY astronomical telescopes, ensuring clear and sharp images. Available in three focal lengths: 400mm, 280mm, and 330mm, allowing for versatile astronomical observations. Coated with adhesive blue, green, or standard film for enhanced light transmission and reduced chromatic aberration. Easy assembly with clear instructions: thin side of the lens faces the object, thick side faces the lens tube for optimal performance. Perfect for amateur astronomers and DIY enthusiasts looking to enhance their telescope's optical capabilities.
Description
(1)
D70mm achromatic objective lens devised for DIY astronomical telescopes, ensuring clear and sharp images. Available in three focal lengths: 400mm, 280mm, and 330mm, allowing for versatile astronomical observations. Coated with adhesive blue, green, or standard film for enhanced light transmission and reduced chromatic aberration. Easy assembly with clear instructions: thin side of the lens faces the object, thick side faces the lens tube for optimal performance. Perfect for amateur astronomers and DIY enthusiasts looking to enhance their telescope's optical capabilities.
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