1 Piece D106 106mm Refractive Lens for Astronomical Telescopes - Double Focal Length 600mm/900mm with Multilayer Coating (D106F600 Green Film)

Optics: The lens of the D106 telescope has a diameter of 106 mm and two focal lengths of 600 mm and 900 mm, ensuring exceptional clarity and detail in astronomical observations. ADVANCED COATING TECHNOLOGY This lens is available with multi-layer blue and green film coatings, improving light transmission and reducing glare, providing an excellent image over a wide range (400-700nm). DURABLE CONSTRUCTION The lens base is made of aluminum alloy and is designed to withstand the rigors of outdoor use. The oxidised black finish provides extra durability and an elegant appearance. EASY INSTALLATION The lens features internal and external threads for secure attachment to 110mm PVC pipes, making it compatible with a wide range of telescope assemblies and ensures a stable connection. Wide Application This dual separation lens is ideal for amateur and professional astronomers and is perfect for improving the performance of your telescope and achieving stunning views.