1pcs High-Definition 50MM Astronomical Telescope Refraction Objective Lens - for DIY Binoculars and Star Finders(D 52mm/F 500 (high Precision))

Description

• Experience enhanced clarity and brightness with our high-definition 50MM astronomical telescope refraction objective lens, perfect for DIY projects.
• Compatible with various focal lengths including 142mm, 182mm, 183mm, 300mm, 400mm, 500mm, and 684mm for versatile astronomical observations.
• Features a durable multi-layer green film and glued blue film coating to reduce glare and improve image for stargazing and viewing.
• Devised for easy assembly; ensure the thin side of the lens faces the scene direction for optimal performance and clarity.
• Ideal for enhancing DIY binoculars, viewing glasses, star finders, and other scientific instruments, making it a must-have for astronomy enthusiasts.

Assembly precautions: assembly direction, the thin side of the lens towards the direction of the scene; The thick lens faces the direction of the tube.
Product diameter: 51mm / 52mm / 57mm; Product thickness: 9mm
Product name: astronomical telescope refraction objective lens
Product focal length: 182/183/142/300/400/500/684
Product coating: multi-layer green film/glued blue film
Scope of application: Suitable for DIY binoculars, viewing glasses, star finder and other scientific instruments.

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