DESC: The most compact model in our Ultima series spotting scopes,features a straight through viewing angle and excellent mulit-coated optics packed into a portable and durable refractor design and it comes standard with an 18-55x zoom eyepiece. This series was designed to perform well in a range of viewing situations, making it a great all-around optical instrument. You’ll love it for observing nature and long distance spotting and since it is completely waterproof you can feel comfortable using it in extreme weather.