D40 achromatic objective for refractive astronomical telescope (DIY): 40 mm diameter and 205 focal distance. (40F205 Blue Film)
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Description
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D40 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 enhancing the optical performance of your telescope. Coated with a blue adhesive film, this lens minimizes chromatic aberration and improves light transmission for a better viewing experience. Easy to assemble with clear instructions; make sure the thin side faces the scene for optimal results. Ideal for astronomy enthusiasts and DIYers looking to build or upgrade their own telescope with premium optical components.
Description
(1)
D40 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 enhancing the optical performance of your telescope. Coated with a blue adhesive film, this lens minimizes chromatic aberration and improves light transmission for a better viewing experience. Easy to assemble with clear instructions; make sure the thin side faces the scene for optimal results. Ideal for astronomy enthusiasts and DIYers looking to build or upgrade their own telescope with premium optical components.
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