ANALYSIS OF TV PHOTOGRAPHY'S FOCUS-ADJUSTING TECHNIQUE

The focus-adjusting is the critical technology in TV photography.In theory,the focus-adjusting includes the objective and the subjective adjusting;in practice,the focus-adjusting includes the focus,the follow-focus,the shift-focus and the defocus.The paper,from the operational level,analyzes the mechanism and the mode of focus-adjusting,and analyzes the HD camcorder's focus-adjusting.The essay seeks to strengthen the application,to expect getting the effectiveness of valuable feedback.