Ideal magnification for hunting at long ranges and wide field of view.Fully multi-coated lenses for maximum light transmission and optimum brightnessHeavy-duty, 100% waterproof/fogproof construction2 Step twist-up eyecups allow quick adjustment for optimum eye reliefLarge center-focus knob for precise focusing - even when wearing glovesTrim, ergonomic shape for easy, all-day useTextured, non-glare, non-slip rubber armor absorbs shockDiopter adjustment for precise and reliable adjustments