[. . . ] This Sony VCL-HG0730A/HG1730A wide/tele conversion lens is designed for use with the Sony video camera recorder (referred to below as "camera") whose filter is 30 mm in diameter. [. . . ] When using the camera's PROGRAM AE, the automatic focus does not function in some modes. When using the VCL-HG0730A wide conversion lens When using the wide conversion lens with a flash, a part of the screen may darken in the wide-angle position. When using the wide conversion lens at a telephoto position, the image may be out of focus. If this occurs, adjust the zoom towards the wide-angle position until the image is in focus. When using the VCL-HG1730A tele conversion lens Use the supplied accessory *flare-prevention hood when sunlight reflections might occur while shooting outdoors. When using the tele conversion lens at a wide-angle position, the peripheral area of the screen darken. [. . . ] Wipe off fingerprints or other smears with a soft cloth slightly moistened with a mild detergent solution. [. . . ]