happybeefalo Pocket Monocular Telescope 25x30 Pirate Telescope Waterproof Zoomable Brass Spyglass for Sailing Hiking Hunting

HOW TO USE? 1. Pull the Barrow all the way out. 2. Point the objective lens to the object and look through from eyepiece. 3. Slightly push the barrow in for focusing until you can see the object, Sometimes it is necessary to pull a bit out ward again if you have pushed too much in. By pushing and pulling the barrow bit by bit,the image will be visible gradually. 4. With slow and tiny motion, rotate the eyepiece bit by bit to push and pull the barrow so as to reach a sharp image. NOTE: The motion for micro-adjustment of focus must be made slowly and gently bit by bit. Specifications: Material: Aluminum alloy Magnification: 25 Object diameter: 30mm Exit pupil diameter: 1.2mm Field of view: 270ft. At 1000yds.(162m/1000m) Minimum focusing distance: 6.5 ft Contraction length: 135mm / 5.3in Extended length: 33cm / 13.0in Product weight: 213g / 7.5oz Waterproof: Yes IMPORTANT: Never attempt to clean your telescope internally or try to take it apart. Package Includes: Collapsible Pirate Monocular *1 Lens Cloth*1 Leatherette Case*1 User Manual*1