The Nebula Filter CLS 1.25-inch by Explore Scientific is the perfect tool for any astrophotographer looking to capture stunning photos of the night sky. This filter reduces light pollution and enhances the contrast of deep sky objects, allowing you to capture beautiful images of galaxies, nebulae, and star clusters. It features a multi-layer coating to reduce reflections, and a high transmission rate for maximum light throughput, making it an ideal choice for any astrophotographer.