we have seen many online anatomy diagram of a lens and camera, but I'm afraid very few can match this match a Canon 1Ds 400mm lens.
This set of equipment placed in Canon Japan headquarters in a small exhibition hall one floor of the building. Believe in equipment in the eyes of fans, the price US $ 5,500 400mm f/4 DO IS USM is certainly shines an attractive light. Lens barrel that perfect arc, seems to explain why it can sell at such a high price. According to Canon staff, this body is an old 1Ds, but also around us $ 1000.
here is a cross-sectional view of a large Copier, for everyone to enjoy.
