The 65mm refractor is the most compact model in the Celestron Ultima series of spotting scopes. It features a 45-degree viewing angle, and allows for excellent optics with its multi-coated glass. Protected by the tough and portable refractor design, it comes with an 18-55x zoom eyepiece as standard.The Ultima series was created with excellence in all-around optics in mind. It was designed to perform well, across a range of viewing situations. Ideal for observing nature or long-distance spotting, the 65mm refractor is also completely waterproof meaning you’ll be able to use it even in extreme weather. The deliberately chosen green of the rubber optical tube helps you to remain subtle to observe in any nature environment. Ultima spotters are the perfect match for any nature or outdoor enthusiast.