1pc High-Definition 50MM Achromatic Refraction Objective Lens for DIY Astronomy Telescopes - Multi-Layer Coated(D 52mm/F 500)

Upgrade your DIY astronomy telescope with this high-definition 50MM achromatic refraction objective lens, devised for superior clarity and performance. Featuring a multi-layer green film and glued blue film coating, this lens minimizes glare and enhances light transmission for stunning views. Compatible with various focal lengths (182/183/142/300/400/500/684), this lens is versatile for different telescope setups and enhances your stargazing experience. Easy to assemble with clear instructions: ensure the thin side of the lens faces the scene and the thick side aligns with the telescope tube for optimal performance. Perfect for DIY enthusiasts, this lens is suitable for binoculars, viewing glasses, star finders, and other scientific instruments, making it a must-have for astronomy lovers.