- Sun Film for Telescopes: Specifically crafted for telescopes with diameters of 80 to 250 mm, this sun film features a metal pressure ring that guarantees a secure fit without the need for glue or adhesives. - Durable Construction: Built with a robust metal outer ring and pressure ring, this sun film is resistant to deformation, ensuring a long lifespan. Ideal for frequent use, it provides reliable protection for your equipment. - Safe Solar Observation: Equipped with a double-sided silver solar film with a density of 5.0, this product effectively blocks harmful solar radiation while enabling safe observation of the sun. - Versatile Applications: Perfect for a variety of devices, including cameras, monoculars, binoculars, astronomical telescopes, and birdwatching telescopes. This sun film is essential for anyone interested in solar observation. - Practical Use Cases: 1. Utilize with your telescope during solar events for safe viewing of sunspots and solar flares. 2. Pair with binoculars for birdwatching on sunny days without worrying about glare. 3. Use with cameras for capturing stunning solar images while ensuring protection against harmful rays. This sun film combines functionality, durability, and safety, making it a vital tool for astronomy enthusiasts and outdoor observers alike.