An endoscope including a handle including a fulcrum with a fulcrum axis, and a control lever including a lever body attached to the fulcrum and rotatable about the fulcrum axis, a lever grip, and a lever arm attaching the lever grip to the lever body, the control lever being adjustable between a first and a second configuration, in which the gripping surface of the lever grip is distanced from the fulcrum axis at a first radial distance via the lever body and lever arm, and a second configuration, in which the gripping surface of the lever grip is distanced from the fulcrum axis at a second radial distance via the lever body and lever arm, wherein the second radial distance is different from the first radial distance.