Pentax SD 10x42mm WP binoculars. The binoculars of the S series benefit from the special coating on the lenses. This hydrophobic protective coating of the optical elements repels water, oil, dust and dirt, which improves the comfort of vision, especially in very bad outdoor conditions. Magnification: 10x. Effective aperture of the lens: 42mm. Angle of view: 6.0 degrees. Field of view (at 1000 m): 105 m. Exit pupil: 4,2mm. Ocular clearance: 18mm. Relative brightness: 17,6. Minimum focusing distance: 2,5m. Height (approx.) 144mm. Width (approx.): 134mm. Thickness (approx.): 52mm. Weight (approx.): 615 gr.