Pack of 1 D40 Achromatic Lens, 40 mm Diameter, 205 Focal Length, Self-Adhesive Blue Film (44F301.5 Green Turned Black)
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Description
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Achromatic objective lens for DIY refractive astronomical telescopes that ensures clear and sharp images. Features an actual diameter of 40 mm and a focal length of 205 mm, ideal for amateur astronomers who want to improve their viewing experience. Coated with a self-adhesive blue film that minimises reflections and improves light transmission for optimal performance. Easy to install with clear instructions, easily position the thin side of the lens towards the scene and the thick side towards the mirror tube. This lens is perfect for DIY enthusiasts and astronomy lovers and is an indispensable accessory for building individual telescopes.
Description
(1)
Achromatic objective lens for DIY refractive astronomical telescopes that ensures clear and sharp images. Features an actual diameter of 40 mm and a focal length of 205 mm, ideal for amateur astronomers who want to improve their viewing experience. Coated with a self-adhesive blue film that minimises reflections and improves light transmission for optimal performance. Easy to install with clear instructions, easily position the thin side of the lens towards the scene and the thick side towards the mirror tube. This lens is perfect for DIY enthusiasts and astronomy lovers and is an indispensable accessory for building individual telescopes.
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