The Fair Scientific wide-angle eyepiece with a focal length of 20 mm, its own 70 ° field of view, and a 1.25-inch bezel. The 70 ° apparent field of view (AFOV) eyepiece is 40% larger in the field of view and almost twice as large in the sky compared to typical 50-degree Ploessl glasses with the same focal length.
• focal length: 20 mm
• weight: 116 g (net)
• Luminaire diameter: 1.25 "/ 31.7 mm
• eyecup: rubber, with the possibility of swiveling