In the Absence of a Focus-Assist Feature, Which Is the Best

Multiple Choice

In the absence of a focus-assist feature, which is the best way to check focus between shots when your camera is not on the air?

A) leaving the focus control where it was last set
B) focusing on the part of the subject's body that is farthest from the camera
C) putting the lens in the wide-angle position before checking focus
D) racking the lens through focus a few times while pointed at the target object
E) estimating the distance of camera to object