The Nipon 25 x 125 Spotting Scope is the perfect tool for bird, wildlife, and nature watching. Also suitable for astronomers. With a large 92mm fully multi-coated objective lens, this scope has an Altazimuth mount. At 475mm in length, weighing 1.3Kg (2.8lbs), this is easy to transport. Nitrogen filled for water and fog proofing, it also has a soft rubber eye cap for comfort.