Remarks: 1 Optical design , lenses with multi layers of coating. 2 10x . 15x . 20x . 25x . 30x ; 5 choices of magnification can be chose and set according to the located place. 3 Objective dia 80mm with high twilight factor and available at viewing in day or night and high image quality. 4 Protective glass preventing from destruction. 5 Binocular , wide-angle viewing. 6 Cast-aluminum body , resist fading , peeling chipping , cracking and rusting. etc.
