Welcome to Chapter 8 - Take this course on Udemy here - udemy.com/ptz-.... Get the book at StreamGeeks.us/ptzcamera.
Every PTZ camera operator should be concerned with getting the best possible picture from their cameras. This is done, in part, by adjusting the camera's exposure and additional settings to adjust the picture quality. As a PTZ camera operator, you should know your camera and communicate with your team about basic parameters.
An ideal starting place for any project is to outline the project's resolution and frame rate. The project should have one master resolution and frame rate that is used with the cameras, the video production software, and any recording or live-streaming devices. Once you know the desired resolution and frame rate for the project, you should make sure that every camera in the system is set to the exact same setting. The last thing you want is to have one camera that is set at a different frame rate from the rest because that will create a noticeable inconsistency with your video. If you have most of your cameras set to 30 frames per second for example, and only one camera set to 60 frames per second, the camera with 60 frames per second will have a noticeable difference in the amount of blur captured by the video. The next step is to dial in your camera's exposure in order to get the most out of the lighting conditions available. Knowing the project's resolution and frame rate will allow you to use the 180° shutter speed rule as a starting point to tune your camera's exposure.
The 180° shutter speed rule
The 180° shutter speed rule is designed to achieve a normal amount of motion blur from the video you are capturing from your camera. Every camera has a shutter that is used to control the amount of light that is exposed to the camera's image sensor. The shutter speed is a controllable length of time that the shutter opens and closes each second. The image below shows the difference between two shutter speeds when taking a picture.
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