Has visible wear and tear lens is in great condition The Celestron 9mm 1/1/4 Eyepiece is designed for telescopes and features a diameter of 1.1/4 inches. With a focal length of 9mm, this eyepiece allows for clear and detailed viewing of celestial objects. As a trusted brand in the industry, Celestron ensures high quality and reliable performance for your telescope viewing experience. Perfect for any astronomer looking to enhance their telescope's capabilities, this eyepiece is a valuable addition to any telescope setup.