Product model: dynamic 10x32Magnification: 10XObjective lens diameter: 32mmField of view angle: 9.3°Prism system: roof prismExit pupil distance: 17.8mmFocusing method: central non-slip focusingWaterproof type: nitrogen-filled waterproofOptical Coating: Broadband Green CoatingNet weight: about 203 gramsSize: 12mmx40mmColor: IvorySupport single camera, dual camera, three camera and four camera.