1pc D40 Achromatic Objective Lens for DIY Refractive Telescopes - 40mm Diameter, 205mm Focal Length, Blue Adhesive Film(44F301.5 Green Film Turned Black)
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Description
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D40 achromatic objective lens devised for self-made refractive telescopes, ensuring clear and sharp images. Features a 40mm actual diameter and a focal length of 205mm, perfect for amateur astronomers and telescope enthusiasts. Coated with an adhesive blue film, this lens minimizes chromatic aberration for enhanced viewing experiences. Easy to assemble: Follow the assembly precautions by positioning the thin side of the lens towards the scene for optimal performance. Ideal for DIY projects and telescope upgrades, this lens is a must-have accessory for anyone looking to improve their astronomical observations.
Description
(1)
D40 achromatic objective lens devised for self-made refractive telescopes, ensuring clear and sharp images. Features a 40mm actual diameter and a focal length of 205mm, perfect for amateur astronomers and telescope enthusiasts. Coated with an adhesive blue film, this lens minimizes chromatic aberration for enhanced viewing experiences. Easy to assemble: Follow the assembly precautions by positioning the thin side of the lens towards the scene for optimal performance. Ideal for DIY projects and telescope upgrades, this lens is a must-have accessory for anyone looking to improve their astronomical observations.
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