Binoculars Series 4 ED This Barr & Stroud series offers the highest quality of very precise binoculars for excellent observations. A high resolution and a variety of contrasts with excellent color accuracy are hereby offered to you. – Fully multi-coated optics – Waterproof to a depth of 1.5m for approx. 3 minutes – Nitrogen-filled, prevents moisture fogging in the optics – Durable rubber armor – Removable eyepiece caps – Dustproof caps – Phase-coated BaK-4 prisms – Removable metal eyecups – Rain cover – Lightweight polycarbonate – carrying case – strap – lens caps Surprisingly, this new Barr&Stroud binocular model resembles its famous Barr&Stroud predecessors from the past. This is a trend back to the “open bridge” design. These models have a number of advantages over the traditionally existing design. The greatest advantage is the simply ergonomic and comfortable handling offered with this model. Last but not least, the low weight of the “Open Bridge” model is a clear advantage. This makes the Series 4 models particularly interesting for hikers and walkers. All Series 4 models include tethered lens caps, rain cover, neck strap and protective case.