Double Separation Multilayer Green Film Lens D131 F700/F1200 for DIY(D131F700) Astronomical Telescopes

Dual Separation Device: This lens has a dual separation device that improves light transmission and image clarity, making it ideal for astronomical observations. VERSATILE COMPATIBILITY - Designed for use with adult astronomical telescopes, this lens is perfect for DIY projects, science laboratories and educational purposes, providing a great learning tool for astronomy enthusiasts. MULTI-LAYER GREEN FILM COATING The lens is covered with a multilayer green film that minimizes glare and maximizes light collection, ensuring bright and clear images of objects. PRECISION SPECIFICATIONS - With a caliber of 131mm and focal lengths of 1200mm/700mm, this lens is designed for optimal performance, allowing detailed observations of distant stars and planets. Clear Visuals: Please note that all visible "scratches" on the product images are due to the background fabric, not actual defects, because our goal is to highlight the permeability of the lens without modifications.