Camming dog

A height adjusting apparatus for a camming dog, wherein the camming dog comprises an angled base comprising a base mounting portion and a handle mounting portion, wherein the base mounting portion is secured to the frame, the base mounting portion is disposed at an angle relative to the handle mounting portion, the angle is less than ninety degrees, and a handle comprising an arm boss, wherein the handle is rotationally secured to the handle mounting portion of the angled base and rotates about an axis of rotation, wherein upon rotation of the handle to an open position, the hinged lens rotates unimpeded past the arm boss and upon rotation of the handle to a closed position, the hinged lens is secured within the frame by the arm boss, the height adjusting apparatus comprising:

• an alignment guide fixedly secured to the handle mounting portion;
• and,
• a height adjustment sleeve comprising an opening offset from a center position on the height adjustment sleeve, the opening complimentarily engaging the alignment guide,
• wherein the handle is rotationally secured to the handle mounting portion by the height adjustment sleeve and rotating a position of the height adjustment sleeve relative to the alignment guide alters the position of the handle relative the handle mounting portion.