Feature: 1. 10mm Focal Length Astronomical Telescope Eyepiece: When the eyes are close to the eyepiece, there will be a soft eye mask on the eyepiece, so that the eyes can comfortably contact the eyepiece while watching. 2. Aspheric Eyepiece: The upgraded version of the aspheric eyepiece has better imaging performance, balanced correction of color difference, and clear image. 3. Size: Standard 1.25 inch astronomical telescope universal eyepiece. Comes with a sturdy plastic storage box to protect the eyepiece from dust and moisture. 4. Optical Glass: The lens material is made of advanced optical glass, which provides clear vision and excellent contrast. 5. Multi Layer Coating: Multi layer coating lenses can provide clearer images with excellent contrast and transparency. 6. Applicable Scenes: 1.25 inch 62 degree 10mm aspherical wide angle eyepiece is suitable for viewing landscapes, observing bright celestial bodies, and nebulae. Specification: Item Type: Astronomical Telescope Eyepiece Material: Aluminum Alloy, Optical Glass Focal Length: Approx. 10mm / 0.39in Weight: Approx. 78g / 2.8oz. Package List: 1 x Eyepiece 1 x Dust Cover