1 x D40 Achromatic Objective Lens for DIY Refractive Astronomical Telescope - 40mm Diameter, 205mm Focal Distance (42F100 Blue Film)
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Description
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Achromatic objective lens designed for self-made refractive astronomical telescopes, ensuring clear and sharp images. It has an actual diameter of 40mm and a focal length of 205mm, perfect for amateur astronomers looking to improve the performance of their telescope. Coated with a blue adhesive film to improve light transmission and reduce glare, enhancing your stargazing experience. Easy to assemble with clear instructions; simply orient the thin side of the lens towards the scene for optimal viewing. Compatible with various telescope models, making it a versatile addition to your astronomical tool kit.
Description
(1)
Achromatic objective lens designed for self-made refractive astronomical telescopes, ensuring clear and sharp images. It has an actual diameter of 40mm and a focal length of 205mm, perfect for amateur astronomers looking to improve the performance of their telescope. Coated with a blue adhesive film to improve light transmission and reduce glare, enhancing your stargazing experience. Easy to assemble with clear instructions; simply orient the thin side of the lens towards the scene for optimal viewing. Compatible with various telescope models, making it a versatile addition to your astronomical tool kit.
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