Zoom!

Zoom!It's the last half of the ninth in a crucial Mets-Cubs game, with the Mets leading three to two. Don Kessinger is on second and Billy Williams is set at the plate. Suddenly, as Mets pitcher Gary Gentry releases a change-up, Kessinger is streaking for third. In the stands, other camera buffs are desperately juggling lenses and camera bodies in a vain effort to get a close-up of the play. You, however, have already rotated your zoom to bring in a crisp telephoto image of the action and, just...