Safe solar viewing - Reduces sun glare and neutralizes dangerous spectral emissions to enable safe solar observations with a high-performance telescope solar filter. Universal telescope compatibility - Anti-vibration system and a wide adjustable range provide a secure fit for a broad range of telescope diameters. - Reliable clamping ensures precise, continuous observations without delays. High-performance filtration - Multi-layer optical film delivers stable light transmission, dependable filtration, and long-lasting durability for efficient solar viewing. Space-saving and portable - Lightweight, compact foldable design for easy transport and organized storage. - A practical solution for astronomers on the go who value mobility and tidy gear during sky-watching expeditions. Practical use scenarios - Solar eclipse viewing with a portable telescope setup for quick and secure setup in the field. - Routine sunspot monitoring and solar activity observations during travel or field trips. - Educational outreach and on-site demonstrations at camps, observatories, or astronomy events.