D131 F700/F1200 Double Separation Multi-Layer Green Film Objective Lens for DIY Astronomical Telescopes(D131 F1200)

Double Separation devise: This objective lens features a double separation devise that enhances light transmission and image clarity, making it ideal for astronomical observations. Versatile Compatibility: devised for use with adult astronomical telescopes, this lens is perfect for DIY projects, scientific laboratories, and educational purposes, providing a great learning tool for astronomy enthusiasts. Multi-Layer Green Film Coating: The lens is coated with a multi-layer green film that minimizes reflections and maximizes light gathering, ensuring bright and clear images of objects. Precision Specifications: With a caliber of 131mm and focal lengths of 1200mm/700mm, this lens is engineered for optimal performance, allowing for detailed observations of distant stars and planets. Clear Visuals: Please note that any apparent "scratches" in product images are due to the background cloth and not actual defects, as we aim to showcase the lens's permeability without modifications.