Enhance your solar observation and astrophotography experience with this high-quality Solar Film Filter, designed to provide safe and clear viewing of the sun. Crafted with a durable aluminum alloy frame and advanced PET coated aluminum foil film, this solar filter offers exceptional protection and optical performance for telescopes with objective lens sizes ranging from 104mm to 130mm. Key Features: · Premium Solar Film Material: Made from second-generation PET coated aluminum foil with bright silver coating on both sides, this solar film delivers superior durability and excellent light reduction while maintaining high image contrast. · Safe and Reliable Solar Observation: Complies with ISO standard solar filter film requirements, ensuring effective protection against harmful solar radiation and light, allowing safe naked-eye visual observation and astrophotography. · Optimal Size Compatibility: Designed to fit telescopes with objective lens diameters between 104mm and 130mm, featuring a 136mm outer diameter aluminum alloy frame and a 112mm light aperture for maximum coverage. · Robust and Weather-Resistant: The thick, reinforced solar film withstands natural outdoor conditions such as wind and rain, making it ideal for long-term use. Easy to clean with a soft cloth or water without damaging the film. · Enhanced Imaging Quality: Reduces light intensity and harmful radiation without compromising subject contrast, enabling clear and detailed observation of solar phenomena including sunspots and solar activity. · Secure Mounting: Equipped with M5-16mm screws for firm and stable attachment to compatible telescopes, ensuring a solid and safe observation setup. Specifications: · Material: Aluminum Alloy Frame, PET Coated Aluminum Foil Film · Weight: 171g (6oz) · Support Objective Lens Size Range: 104-130mm · Aperture Diameter: 112mm · Outer Frame Diameter: 136mm Package Includes: · 1 x Film Solar Filter This Solar Film Filter is an essential accessory for astronomy enthusiasts seeking safe, high-quality solar viewing and imaging. Its durable construction, reliable protection, and excellent optical clarity make it perfect for both casual observers and professional astrophotographers aiming to capture detailed solar phenomena.