Zoom Eyepiece 7-21mm for Telescope Visuals

This zoom eyepiece offers a focal length range from 7mm to 21mm, providing versatile viewing options for telescopes. It features a 1.25-inch diameter and is designed with seven optical elements arranged in four groups to enhance image clarity and brightness. Suitable for astronomical observations, it allows smooth zoom adjustments for different viewing needs. The eyepiece is compatible with various telescopes and is ideal for both casual stargazing and detailed celestial studies. Its construction aims to deliver clear, sharp images across the zoom range, making it a useful accessory for enhancing your telescope's performance.