90mm Refractive Astronomical Telescope Double Separation Objective Lens for DIY Assembly(D90F900 Blue Film)
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Description
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Double separation objective lens devised for refractive astronomical telescopes, enhancing your stargazing experience. Available in three focal lengths: 500mm, 650mm, and 1000mm, allowing for versatile usage and customization for your telescope needs. Coating options include green film and blue film, providing improved light transmission and image clarity for optimal viewing. Precision-engineered with a diameter tolerance of +0/-0.12mm and focal length tolerance of ±0.1%, ensuring exceptional optical performance. Package includes one objective lens, perfect for DIY enthusiasts looking to build or upgrade their telescopes.
Description
(1)
Double separation objective lens devised for refractive astronomical telescopes, enhancing your stargazing experience. Available in three focal lengths: 500mm, 650mm, and 1000mm, allowing for versatile usage and customization for your telescope needs. Coating options include green film and blue film, providing improved light transmission and image clarity for optimal viewing. Precision-engineered with a diameter tolerance of +0/-0.12mm and focal length tolerance of ±0.1%, ensuring exceptional optical performance. Package includes one objective lens, perfect for DIY enthusiasts looking to build or upgrade their telescopes.
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