The Celestron Plossl/Symmetrical 25mm Telescope Eyepiece is a high-quality optical lens accessory designed for telescopes. This eyepiece has a focal length of 25mm, providing clear and detailed views of celestial objects. The plössl/symmetrical design ensures sharp images with minimal chromatic aberrations, making it an ideal choice for astronomy enthusiasts looking to enhance their viewing experience. With the trusted Celestron brand behind it, this telescope eyepiece is a reliable and valuable addition to any telescope setup.