The Cassini C-P7 7.5x50mm Porro Prism Binocular is unequaled in performance and value on today's binocular market. Comparable to other brand binoculars costing twice the price, its durable construction and superior optical quality will deliver optimum performance in even the most difficult viewing conditions. Fully Multi coated lenses and BAK 4 prisms insure maximum, distortion free images. The Cassini C-P7 7.5x50mm is both Fog proof and Waterproof eliminating any concern of damage in the most severe weather. Going from the warmth of the house or cab to the coldest seat in stadium or tree stand, the Cassini C-P7 7.5x50mm will perform. Full range center focus with right eye adjustments permits the most finite focusing possible. Twist Up/Down eyecups serve both eye glass and non-eye glass wearers equally. The traditionally threaded Tripod adaptor port enables the Cassini C-P7 7.5x50mm to be mounted on any camera tripod. Carry and store them in the shoulder case and keep the clean with the lens cloth also included in the package. The Cassini C-P7 7.5x50mm Porro Prism Binocular Features and Benefits: Porro Prism Prism: BAK4 Fully Multi Coated Optics Full Range Center Focus Comfort Grip Rubber Armoring Twist Up Eyecups WaterProof Fog Proof Binocular Tripod Socket Carrying Case with Shoulder Strap Neck Strap Lens Cloth The Cassini C-P7 7.5x50mm Porro Prism Binocular Specifications 7.5x Power 50mm Objective Lenses Linear Field of View: 333′ @ 1000yds Angular Field of View: 6.35° Exit Pupil Size: 6.5mm Eye Relief: approx. 22mm One Year Limited Warranty