- Interchangeable 20x wide field eyepiece, 2x objective, LED lighting and boom stand. - The binocular viewing head has a pupil range of 50 to 77 mm and a 30-degree inclination to reduce eye and neck pressure. - Featuring interchangeable WF10x18mm and WF20x10mm eyepiece pairs, combined with the 1x objective, it provides 20x and 40x magnification, as well as a longer working distance for inspection of large samples that need to be handled or repaired.