The Heag XII Model II (1906) has double extension red leather bellows and the Ernemann Detektiv Aplanat f/6.8 No. 0 lens. This early model was produced from 1906 through 1909 when it was replaced by a redesigned version with a different lens stand and viewfinder placement. When the camera is opened, the viewfinder mount is engaged with a gear coupled to the strut and the lens swings upward through a 180 degree arc while the rear sight rises from the body. A delicate mechanism often found broken.
