【Core Optical Performance for DIY Refractor Telescopes】 This objective lens features a 60mm clear aperture and 900mm focal length (f/15), delivering consistent optical performance for custom-built refractor telescopes. The double-separated achromatic doublet design effectively reduces chromatic aberration, providing clearer views than single-element lenses.
【Blue Anti-Reflective Coated Optical Glass】 Crafted from quality crown and flint optical glass, this lens is treated with a blue anti-reflective coating to minimize light reflection and maximize light transmission. The coating helps reduce glare and enhance contrast, supporting better observation of lunar craters, planetary details, and other celestial objects.
【Essential Accessories Included for Assembly】 Each set comes with a dedicated lens spacer and a pair of lint-free gloves. The spacer ensures proper alignment and spacing of the two lens elements, maintaining the designed focal length and optical performance. The gloves help protect the lens coating from fingerprints, oil, and dust during installation.
【Beginner-Friendly for DIY Astronomy Projects】 Designed for hobbyists and DIY telescope builders, this lens is ideal for constructing a beginner-level refractor telescope. The 62mm outer diameter fits most common 63mm telescope tubes, and the included accessories help you avoid common assembly errors that affect image quality.
【Dedicated Support for Hobbyists】 We focus on providing reliable astronomical accessories for amateur astronomy use. If you have questions about installation, compatibility, or use, please feel free to contact our support team. This lens is intended for educational and recreational purposes only.
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