CES1152 Features: * Eyepiece * Super-premium fully multi-coated 1.25" zoom eyepiece has a focal length of 8-24mm * Allows for expanded magnification options * Focal length of 8mm to 24mm * Field of view: 40 - 60 degrees * Eye relief: 15 - 18mm * Fully multicoated Dimensions: * Dimensions: 1" H x 1" W x 4" D Warranty: * 2 Year warranty