- Diameter: 1.25 inches, designed for easy attachment to eyepieces and securely housed in durable casings. - Dual-sided fine polishing and polishing process ensures optimal clarity and performance. - Substrates are precisely polished for exceptional parallelism and surface quality, enhancing your viewing experience. - High-contrast UHC filter effectively reduces harmful light pollution, making it ideal for urban and suburban stargazing. Applications: - Perfect for amateur astronomers looking to enhance their telescope setup for clearer, more defined celestial observations. - Ideal for astrophotography enthusiasts who need to minimize light pollution while capturing stunning images of the night sky. - Great for educational purposes, allowing students and educators to explore astronomy with improved visibility of celestial objects. Experience enhanced clarity and detail in your observations with this high-quality optical accessory, designed for compatibility with a range of telescopes and eyepieces.