Digital photographing apparatus and method of controlling the same

A digital photographing apparatus comprising a body unit and an exchangeable lens installed to the body unit, wherein:

• the exchangeable lens comprises:
• a power zoom performer for performing a power zoom operation;
• and
• an iris for adjusting an amount light penetrating through an imaging lens;
• the body unit comprises:
• an image pickup device for generating an image signal by capturing the light;
• a shutter for controlling light exposure of the image pickup device;
• and
• a release controller for controlling operations of the shutter and the iris;
• the power zoom operation is prohibited for a predetermined time beginning when the release controller starts to drive the shutter or the iris and the power zoom operation ceases to be prohibited before an end of a time for which the shutter or the iris is driven;
• and
• after the power zoom operation ceases to be prohibited, the power zoom is permitted to operate while the shutter or the iris is being driven.