90mm Refractive Astronomical Telescope Double Separation Objective Lens -with Optional Green/Blue Coating,1pcs(D90F500 Broadband Film)
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Description
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Double separation objective lens devised specifically for refractive astronomical telescopes, ensuring superior image clarity. Available in multiple focal lengths (500mm, 650mm, 1000mm) to suit various astronomical observation needs and preferences. Optional multi-layer coatings (green or blue) enhance light transmission and reduce glare for improved viewing experiences. Precision-engineered with tight tolerances (+0/-0.12mm diameter, ±0.2mm center thickness) for optimal performance and reliability. Includes one complete lens assembly, making it a perfect choice for DIY telescope enthusiasts looking to upgrade or build their own optics.
Description
(1)
Double separation objective lens devised specifically for refractive astronomical telescopes, ensuring superior image clarity. Available in multiple focal lengths (500mm, 650mm, 1000mm) to suit various astronomical observation needs and preferences. Optional multi-layer coatings (green or blue) enhance light transmission and reduce glare for improved viewing experiences. Precision-engineered with tight tolerances (+0/-0.12mm diameter, ±0.2mm center thickness) for optimal performance and reliability. Includes one complete lens assembly, making it a perfect choice for DIY telescope enthusiasts looking to upgrade or build their own optics.
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