Knob on the side can be loosened to allow rotation of eyepiece/scope body to the most appropriate position for the proper angle of viewing. Eyepiece lens and front objective lens are in excellent condition. Please feel free to contact me with any questions. The item "Kowa TSN-821 Spotting Scope w.27X LER Eyepiece" is in sale since Saturday, February 29, 2020. This item is in the category "Sporting Goods\Hunting\Scopes, Optics & Lasers\Spotting Scopes". The seller is "patrick7980" and is located in Charlotte, North Carolina. This item can be shipped to United States.