In the professional video world, where production calendars are built around equipment promises, Sony Japan has asked its customers to wait a little longer. The FX5 camcorder — unveiled with confidence in July and pledged for August delivery — will not arrive until late October at the earliest, a two-month slip attributed to unspecified production circumstances. It is a familiar tension in the technology industry: the gap between what is announced and what can actually be made, and the human cost borne by those who planned around the original word.