Brunton Echo 10x28 Reverse Porro Prism Binocular 81-200664

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: Polymer
• Close Focus Distance: 13 ft.
• Exit Pupil: 2.8/3.5 mm
• Eye Relief: 17.5mm
• Eye Relief Type: Standard
• FOV at 1000 yds.: 262 ft.
• Prism Coating: Standard
• Prism Glass Type: BaK-4
• Lens Coating Type: Full-multi
• Waterproof / Fogproof
• Nitrogen Filled
• Tripod compatible
• Warranty Type: Limited Lifetime