[. . . ] [. . . ] notes on Using · When using a flash, the shadow of the lens may appear in images or the periphery of the display may darken. ⷠThe functions of the lens including AF, AE and IS may not show their true operation or performance in some conditions of use. ⷠIt is recommended to use the special setting for those lens. ⷠBe sure to wash any foreign materials and salts by fresh water. [. . . ] [. . . ]