D70mm Achromatic Objective Lens for DIY Astronomical Telescope - 400mm, 280mm, 330mm Focal Length Options,1pcs(73F330 Red Film)
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Description
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D70mm achromatic objective lens devised for DIY astronomical telescopes, available in three focal lengths: 400mm, 280mm, and 330mm. Each lens is coated with a adhesive film (blue or green) to enhance light transmission and reduce chromatic aberration for clearer images. Actual diameter of 73mm ensures compatibility with a variety of telescope setups, making it an ideal choice for amateur astronomers and telescope builders. Easy to assemble: Follow the assembly precautions by placing the thinner side of the lens towards the object and the thicker side towards the lens tube. 1 piece per package, providing a reliable and efficient solution for enhancing your telescope's optical performance.
Description
(1)
D70mm achromatic objective lens devised for DIY astronomical telescopes, available in three focal lengths: 400mm, 280mm, and 330mm. Each lens is coated with a adhesive film (blue or green) to enhance light transmission and reduce chromatic aberration for clearer images. Actual diameter of 73mm ensures compatibility with a variety of telescope setups, making it an ideal choice for amateur astronomers and telescope builders. Easy to assemble: Follow the assembly precautions by placing the thinner side of the lens towards the object and the thicker side towards the lens tube. 1 piece per package, providing a reliable and efficient solution for enhancing your telescope's optical performance.
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