Feature: 1. High Definition Transmittance Lens: Made of optical glass, this telescope eyepiece provides chromatic correction and high transmittance, achieving maximum brightness and delivering clear and captivating views. 2. Superior Quality: The telescope eyepiece is crafted with fully coated optical glass, ensuring outstanding image contrast and transmission. It offers high brightness and exceptional visual quality. 3. Comfortable Viewing: With a 12mm focal length, this eyepiece provides a comfortable viewing experience during long stargazing sessions. It offers a 35 degree field of view, delivering clear and sharp images with high contrast, ensuring your comfort throughout the observation. 4. Widely Applicable: This telescope eyepiece is ideal for observing nebulae and other astronomical wonders. It is compatible with all telescopes with a 0.965in aperture, including reflectors, refractors, and catadioptric telescopes. 5. Perfect Gift: The telescope eyepiece makes a splendid gift option for family and friends during occasions like Halloween, birthdays, and Christmas. It enhances their interest in the field of astronomy, offering a memorable and thoughtful present. Specification: Item Type: Telescope Eyepiece Material: Aluminum Alloy + Optical Glass Focal Length: 12mm Lens Quantity: 2 pieces Interface Size: 0.965 inch. Package List: 1 x Telescope Eyepiece 1 x Storage Box