PL10mm Plossl Eyepiece – a 1.25-inch standard aperture accessory for astronomical telescopes. Featuring a classic four-element, two-group optical design, it effectively corrects chromatic and spherical aberrations. Delivering high-power, high-definition imaging with a flat, clear field of view, it is compatible with most telescopes. Ideal for both planetary detail observation and deep-sky object viewing, it provides a stable optical experience for beginner and intermediate stargazers.