€ 430.41
90mm Double Separation Refractive Astronomical Telescope (D90F500 Broadband Film)
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Description
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Dual lens with 90 mm diameter for refractive astronomical telescopes. Available focal lengths of 500mm, 650mm and 1000mm to meet different observation requirements and preferences. Optional multi-layer coatings (green or blue film) improve light transmission and image clarity for a premium viewing experience. Precision machined with a diameter tolerance of +0/-0.12 mm and a focal length tolerance of ±0.1% for optimal performance. Ideal for amateur and professional astronomers who want to assemble or upgrade their telescopes with optics.
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Description
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Dual lens with 90 mm diameter for refractive astronomical telescopes. Available focal lengths of 500mm, 650mm and 1000mm to meet different observation requirements and preferences. Optional multi-layer coatings (green or blue film) improve light transmission and image clarity for a premium viewing experience. Precision machined with a diameter tolerance of +0/-0.12 mm and a focal length tolerance of ±0.1% for optimal performance. Ideal for amateur and professional astronomers who want to assemble or upgrade their telescopes with optics.
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