The EX Action series produced by the reputable Nikon company consists of mid-range pairs of binoculars with the following parameters: 7x35, 8x40, 7x50, 10x50, 12x50, 16x50 , 7-15x35 and 10-22x50. All Action EX binoculars come with BaK-4 glass Porro prisms.
compact and solid body; sensibly corrected chromatic aberration; slight astigmatism; low distortion; small light fall-off on the edge of the field; wide field of view; good quality glass BaK-4 prisms; circular exit pupils; dark and clean inside the tubes
average transmission; huge coma; noticeable resolution decrease on the edge of the field of view; no coatings on one air-to-glass surface of the objective; field of view a bit narrower than that declared in the specifications