Magnification: 10XObjective lens diameter: 42mmOptical Coating: Broadband Green FilmField of view size: 110MExit pupil diameter: 5mmMirror body material: magnesium alloy mirror body, environmentally friendly rubberEye mask: Rotating typeClose focus distance: 3.0mProduct weight: 606gMirror body size: 1 54X129X54mmWaterproof and anti-fog: IPX7 (nitrogen \ can be soaked)Support single camera, dual camera, three camera and four camera.