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Magnification:20x-60x;                        OBJ.Lens DIA:80mm;                              Prism Type:BAK4;                                 Field of view: 46M-29M/1000M;
Exit Pupil: 4-1.30mm;
Exit Relief: 18-14.5mm;                             Optical Coating: Full Multi Coated; Waterproof IPX7; Nitrogen Filled; Floating on the water