Trophy Binocular 8 x 32 - Waterproof/FogproofRugged, long-range roof prism is excellent for outdoor travel.Features:BaK-4 prismsFully 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 adjustmentsSpecifications:Magnification x Obj Lens:8x 32mmClose Focus: ft/m10/3PC-3 Phase Coating:NoLens Coating:Fully Multi-CoatedField of View: ft@1000yds/m@1000m393/131Adapt to Tripod:YesEyecups:Twist-UpLocking Diopter:NoEye Relief: mm16.5Focus System:CenterExit Pupil: mm4Prism Glass:BaK-4Water/Fog Proof:YesPrism System:RoofWeight: oz/gr15.5/439Size Class:StandardWARNING: This product can expose you to chemicals including 1,3-Butadiene which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.