[. . . ] [. . . ] €¢ Edges of pictures may be cut off if more than one filter is used or if a thick filter is used. €¢ Can be used with the optional EC-14 and EC-20 teleconverters. €¢ Can be used in combination with the EX-25 extension tube, which is available optionally, for shooting in magnifications from 0. ) • Specifications are subject to change without any notice or obligation on the part of the manufacturer. [. . . ] [. . . ]