 Nirvanna ED Binoculars Top quality waterproof binoculars ideal for Birdwatching and nature study. The fully broadband multi-coated optics and Phase-Coated high-index BaK-4 prisms provide excellent optical performance. Employs exotic ED (Extra Low Dispersion) glass for enhanced colour fidelity. Wide field of view and generous eye relief. Eye relief is 17.2mm and 15mm (8x42 & 10x42 models respectively). The rubber coverered magnesium alloy body is both compact and lightweight . Argon gas filled for waterproof, fog-free viewing, even at very low temperatures. Centre-focusing wheel with click-stop dioptric adjustment. Twist up eyecups for spectacle wearers. Tripod adaptable. Suplied with neckstrap and case. Colour/Material: Black Rubber | 
