1. Long eye relief shockproof 2.8x40 binoculars with bak4 prism super quality 3. Full Broadband Multiply coated 8x40 New long eye relief binoculars : 1. with rangefinder2. 100% high optical lens, high resolution and super definition 3. shock shockproof handle extreme weather condition 4. Porro prism system provides greater depth perception and generally offer a wider field of view5. BAK4 material ...