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Diopter: 3, Magnification: 3x, Lens aperture: 40mm, Support LCD: 3" (4:3 Compatible), Foldable viewfinder for standard framing

3x lens, 40mm diameter, Matched up to 3” LCD screens, Gorilla Plate and aluminum mounting, Diopter, Anti-fog coating

3x lens, 40mm diameter, Diopter, Anti-fog coating, Matched up to 3.2” LCD screens, Gorilla Plate and aluminum mounting