The Explore Scientific Nebula Filter UHC 2.0-inch is the perfect filter for astrophotographers looking to capture stunning images of deep-sky objects. Featuring a unique ultra-high contrast design, this filter brings out the faintest of nebulae, galaxies, and star clusters in your images, allowing you to explore the universe like never before. With its easy-to-use threaded design, this filter is perfect for both experienced and novice astrophotographers alike.