ITEM NAME:Telescope Eyepiece 3X Barlow Lens 1.25" M42x0.75mm & Phone Binoculars Holder Description: Universal for 1.25"/31.7mm astronomy telescopes. 3X Magnification: observe the deep sky, nebula, moon and other planets. Multi-coated purple film to achieve clear views. With M42x0.75mm thread to connect digital camera via T ring adapter. Adapter Mount: support telescope, binoculars, spotting scope, night vision (26.4-46.4mm) to 55-98mm width mobile phones, with soft pad protection. Adjustable clip design, with a steel bolt, mount on 1/4" tripod, monopod and other devices. Specification: Eyepiece Material: Optical Glass + Plastic Magnification Factor: 3X Lens Coating: Multi-coated Purple Film Thread: M42x0.75mm Size: 70mm/2.8inch Mount Material: Plastic Mount Size: 125x80 mm/5x3 inch Package Includes: 1x Barlow Lens 1x Mount.Thread: M42x0.75mm. 1x Barlow Lens. Eyepiece Material: Optical Glass + Plastic. 3X Magnification: observe the deep sky, nebula, moon and other planets. Multi-coated purple film to achieve clear views.