All Barr & Stroud Sahara spotting scopes incorporate BaK-4 prisms and multi-coated, precision-machined lenses to enable optical performance that is comparable or even better than comparable devices. Polycarbonate Body All Sahara scopes are made from lightweight polycarbonate, which reduces weight and is extremely strong and durable. Rubber Armored Housing The solid rubber coating reduces handling noise and protects the Barr & Stroud Sahara spotting scope from wear and tear during normal use. Waterproof, fogproof and nitrogen purged All Sahara scopes are waterproof, fogproof and nitrogen purged for years of use. Built-in pull-out dew shield All Sahara spotting scopes are fitted with a pull-out dew shield to keep out stray light. A protective bag is included with the scope. Scope of delivery: Spotting scope with zoom eyepiece bag! Power supply and batteries are not included!