电视教材拍摄中摄像机的光圈及控制

Aperture and control of camera in television teaching material photography

在电视教材拍摄中,对摄像机光圈的调节和控制实际是对画面曝光的调节和控制,无论与节目艺术效果还是与画面技术质量都紧密相关.本文简述了光圈的功能和CCD的成像标准,对光圈的调节和控制方式进行了分析,以保证在拍摄中及时跟踪调整光圈,避免画面出现质量问题,创造良好的艺术效果.

In the television teaching material photography, the adjustment and the control of camera aperture is actually that of the picture exposure,and is also closely connected with the program art effect and the picture technology quality. This article carries on the summary from function of the aperture and the CCD imagery standard, and carries on the analysis of the adjustment and the control mode of aperture to guarantee prompt track and adjust aperture in photography,and avoid having the quality problem of the picture,and then create good artistic effect.