Versatile 2" to 1.25" metal adapter ring devised for use with catadioptric astronomical telescopes. Features a durable brass protective ring to prevent damage to your eyepiece during installation. Easy to install and remove, making it convenient for quick adjustments during stargazing. Enhances your telescope's compatibility, allowing you to use a wider range of eyepieces. Package includes 1 adapter ring, perfect for astronomy enthusiasts and professionals alike.