24,520. Beck, C. Nov. 12. Cameras; lenses and lens fittings.-An ordinary magazine camera is described, which may be adapted for telephoto work by tbrowing into position a set of negative lenses contained in the body of the camera. The negative lenses g, Fig. 3, which are used with the ordinary lenses j for telephoto work are ordinarily contained in the lower front portion of the camera. They maybe mounted on a sliding frame e and moved in position by a handle h, as in Fig. 2, or they may be pivoted at l to the front portion b of the camera so as to be swung round into position when required. Two focussing-scales are provided on the camera, for telephoto and ordinary work.