NEEWER 1.25 Inch Plössl Telescope Eyepiece, 48 Degree Wide Apparent Field Lens with 40mm Focal, Multiple Coated HD Optical Glass 4 Elements Standard 1.25" Interface for Astronomy Telescope, LS-T19 - 10102878

• 【40mm Plössl Eyepiece with 48° Field of View】 Featuring a standard Plössl optical structure, this 1.25" eyepiece with two sets of four slices provides a wider 48° field of view and a 40mm focal length, to observe larger celestial objects like the moon, star clusters, galaxies, cloudy nebulas, and deep sky targets 【Multi Coated HD Optical Glass】 Crafted with fully multi coated HD optical glass to reduce the chromatic aberration and increase lens permeability for bright and clear views with impressively high contrast. The matte blackened lens edges effectively prevent stray light 【22mm Exit Pupil & Rubber Eyecup】 The foldable rubber eyecup offers a soft cushioned surface for comfortable and stable viewing during extended sessions. The 22mm proper exit pupil distance allows for extended eye relief 【Only for 1.25" Eyepieces】 Comes with a standard 1.25" interface to connect with any telescopes that support 1.25" eyepieces. Also with a standard M28.5 x 0.6 interface to attach filters when necessary 【Easy to Mount】 To securely attach to the zenith mirror or other devices, simply insert the eyepiece into the eyepiece hole and tighten the knob to complete the installation. The cross patterned non slip pads on the eyepiece ensures precise torque and effortless setup