Description <br> Description: <br> 62° aspheric 23mm eyepiece, suitable for 1.25 inch /31.7mm astronomical telescope. <br> Fully multi-coated glasses for excellent image contrast and light transmission. <br> The eyepiece of high-definition, it can increase the magnification of the telescope combination. <br> 62° aspheric field of view.Eyepiece interface recess portion can prevent the loss. <br> Applicable: watch the scenery, bright celestial observations, nebula ect. <br> <br> Specification: <br> Focal length: 0.91inch / 23mm <br> Field of View: 62 Degree <br> Standard 1.25-inch(31.75mm) Fitting Diameter <br> Eye Lens Diameter: 0.87inch / 22mm <br> Coating: Optical Lenses, Fully Coated, High-definition <br> The Structure of the Optical System: Aspheric Eyepiece <br> Weight: 1.69oz / 0.11lb / 48g <br> Length:2.55inch / 65mm <br> Color:Black+Yellow+Silver <br> Package Includes: <br> 1 Piece 23mm Aspheric Eyepiece <br>