1 x D40 Achromatic Objective Lens for DIY Refractor Telescopes 40 mm Diameter, 205 Focal Distance, Blue Adhesive Film (42F134 Green Film)
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Description
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D40 achromatic objective lens designed for homemade refractor telescopes, which ensures clear and sharp images. Features an actual diameter of 40mm and a focal length of 205mm, perfect for amateur astronomers and telescope enthusiasts. Coated with a blue adhesive film, this lens minimizes chromatic aberration for a better visual experience. Easy to assemble: Follow assembly precautions by placing the thin side of the lens toward 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 designed for homemade refractor telescopes, which ensures clear and sharp images. Features an actual diameter of 40mm and a focal length of 205mm, perfect for amateur astronomers and telescope enthusiasts. Coated with a blue adhesive film, this lens minimizes chromatic aberration for a better visual experience. Easy to assemble: Follow assembly precautions by placing the thin side of the lens toward 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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