The new Barr Stroud Series 4 range of sports binoculars are a blend of superb optical quality advanced mechanical design & contemporary styling that has produced an exciting range of binoculars that Barr Stroud are justly proud of. Paradoxically this latest model from Barr & Stroud is the model that most resembles the most famous Barr Stroud models from the past. This is largely a result of the modern Open Bridge design. The Open Bridge has a number of advantages over the more traditional designs currently available. The most obvious is the ease of handling that this design allows ergonomically it is a perfect fit with the human h&. This makes it easy & comfortable to use in the most gruelling circumstances & particularly with gloved hands. A less obvious advantage but one that will please many users is the amount of weight that is saved by the Open Bridge design this makes the Series 4 particularly suitable to those who are constrained by the amount of weight they are carrying hikers walkers holidaymakers or service personnel are but a few of those who will appreciate the ease of handling & comparative lightness of the Series 4. The Series 4 range from Barr Stroud feature rugged construction combined with brilliant optics & high resolution eyepieces to produces stunning images. They are waterproof to a depth 1. 5m of water for three minutes plenty of time to retrieve them if you have dropped them in a stream or puddle. This requires a high degree of mechanical engineering excellence in the construction of the binocular which is evident as soon as you pick it up or use the super smooth focus control wheel. We dont expect that you will make a habit of dropping the binoculars into deep water but we do expect that you will want to use them in any weather the planet can throw at you so you can feel assured that the Barr Stroud Series 4 can take it again & again. This ability is further enhanced by the binoculars rubber armoured body which protects it from s