Astromania 2 45Degree Erecting Prism Diagonal for Telescope

The BAK4 prism with an anti-reflective coating and integrated high-quality optical prism instead of a mirror enhances accuracy; making it ideal for precise astronomical observations and ensuring clear and sharp images, The inclusion of 2 Inch-1.25 inch adapters allows for seamless connectivity with both 1.25 Inch and 2 Inch accessories; catering to a wider range of requirements, This wide 45 degree angle makes you view correct image from telescope stand; makes it easier to observe, All aluminum black anodized with smooth surface and have long service life, The product has a matte black internal thread design to prevent stray light reflection; additionally; the attachment design includes brass clamping rings and large chrome-plated thumb screws for a safe and secure connection without causing damage