User manual SONY VCL-DEH17VA

[. . . ] Do not directly look at the sun through this lens. Doing so might harm your eyes or cause loss of eyesight. [. . . ] Doing so might harm your eyes or cause loss of eyesight. When the conversion lens is attached to your camera, always select the "Conversion Lens" setting of the camera. With a wide conversion lens, images may be unfocussed at telephoto settings. With a tele conversion lens, the edges of images may darken at wide-angle settings. Turn off the power of the camera then detach the lens. If your lens is brought directly from a cold place to a warm place, condensation may appear on the lens. To avoid this, place the lens in a plastic bag or something similar. When the air temperature inside the bag reaches the surrounding temperature, take the lens out. Brush off any dust from the surface of the lens with a blower brush or soft brush. Wipe off fingerprints or other smears with a soft cloth slightly moistened with a mild detergent solution. [. . . ] When the air temperature inside the bag reaches the surrounding temperature, take the lens out. Brush off any dust from the surface of the lens with a blower brush or soft brush. [. . . ]