- Product Size : UHC filter with a diameter of 3.18cm (1.25 inches) for precise compatibility with various telescopes. - Astrophotography Accessory : This UHC filter enhances image contrast and minimizes the impact of urban light pollution, resulting in clearer and more defined astronomy observations. Ideal for capturing breathtaking celestial images. - Wide Applications : Designed for professional use, this astronomical telescope filter is perfect for astrophotographers seeking superior clarity. It effectively isolates desired wavelengths, allowing for stunning shots of nebulae and other deep-sky objects. - Quality and Compatibility : Built with high-quality materials and compliant with British thread standards, this filter attaches easily to any telescope equipped with a 1.25-inch eyepiece. - Practical Use Scenarios : - Capture exquisite images of emission nebulae by reducing light pollution during city-based observations. - Enhance your stargazing experience in urban or suburban settings by filtering out unwanted ambient light. - Improve photography quality during astrophotography sessions, resulting in more vibrant and detailed images. This UHC filter stands out for its performance and ease of use, making it a valuable tool for both amateur and professional astronomers.