€ 428.25
90mm Refractive Astronomical Telescope Double Separation Objective Lens(D90F1000 Blue Film)
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90mm diameter double separation objective lens devised for refractive astronomical telescopes. Available in three focal lengths: 500mm, 650mm, and 1000mm, allowing for versatile astronomical observations. Features optional coatings in green or blue film to enhance image clarity and brightness. Precision-engineered with a diameter tolerance of +0/-0.12mm and focal length tolerance of ±0.1% for optimal performance. Includes one piece of lens, perfect for both objective and collimating applications in astronomy.
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90mm diameter double separation objective lens devised for refractive astronomical telescopes. Available in three focal lengths: 500mm, 650mm, and 1000mm, allowing for versatile astronomical observations. Features optional coatings in green or blue film to enhance image clarity and brightness. Precision-engineered with a diameter tolerance of +0/-0.12mm and focal length tolerance of ±0.1% for optimal performance. Includes one piece of lens, perfect for both objective and collimating applications in astronomy.
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