SUPERIOR VERSATILITY - The Baader Planetarium MARK IV Hyperion Zoom Eyepiece offers both 1.25' and 2' barrels, providing compatibility with a wide range of telescopes for enhanced viewing flexibility. OPTIMIZED MAGNIFICATION - Achieve variable magnification with the 8-24mm focal length, allowing for detailed observation of celestial objects without the need for multiple eyepieces, enhancing your viewing sessions. ENHANCED EYE COMFORT - The adjustable twist-up rubber eyecup ensures comfortable viewing during extended use, accommodating users with or without eyeglasses, improving the overall stargazing experience. INCREASED MAGNIFICATION POWER - Includes a 2.25x Hyperion Barlow Lens, boosting the eyepiece's magnification capabilities for closer, more detailed views of planets and deep-sky objects, revealing finer details.