The Viking Peregrine ED is the latest high performance binocular ideally suited for bird watching and wildlife. The Peregrine series of Binoculars features Vikings high-quality Extra-Low Dispersion glass in the lenses, and is supplied with rainguard, case, and strap.. Extra Low Dispersion Glass. The objective lenses of the Viking Peregrine ED are made from Extra Low Dispersion Glass, which provide much sharper and clearer images than ordinary binoculars. Together with the multi-coating and phase coated prisms give bright images in excellent clarity that make these the perfect companion for your next bird watching outing.. Ideal for all weather. As with all of Vikings premium binoculars the Peregrine series are nitrogen filled to eliminate the chance of the glass fogging up and from other impurities such as dust and keeps them clean from the inside. The Viking Peregrine Binoculars are also waterproof so can withstand the inevitable downpour when bird watching in the UK.. 10 year guara