[. . . ] [. . . ] € The optional EC-20 teleconverter allows for focusing using AF at the center AF target. € Using the optional EX-25 extension tube you can shoot with a magnification of 0. 98× when calculated based on 35 mm film camera), using MF mode through the whole zoom range. ) • Specifications are subject to change without any notice or obligation on the part of the manufacturer. [. . . ] [. . . ]