Brunton Echo 10x28 Reverse Porro Prism Binoculars

Echo Reverse Porro Compact Binocular It’s porro prism, but in reverse. The Echo is one of the most rugged we offer. BaK-4 prism glass and fully multi-coating make it an exceptional value for the compact binocular user.Power: 10x Objective Diameter: 28 mm.Weight: 10 oz.Frame Material: PolymerClose Focus Distance: 13 ft.Exit Pupil: 2.8/3.5 mmEye Relief: 17.5mmEye Relief Type: StandardFOV at 1000 yds.: 262 ft. Prism Coating: StandardPrism Glass Type: BaK-4Lens Coating Type: Full-multiWaterproof / FogproofNitrogen FilledTripod compatibleWarranty Type: Limited Lifetime