The purpose of using a tripod for digital photos is to reduce the chances of blurring the pictures.
Even if for most parts, the image is clear, because of the slightest camera movement, the entire picture could be ruined.
The digital camera is a wonderful device that allows a diverse variety of applications with its even diverse spectral collection of utilities. As technology progresses it brings along with it those intense pleasures that human beings have only thought of. Now the digital camera has opened up the dimensions for the people and the photographers in providing with the liberty of capturing whatever they wish and of whatever type they prefer!
What makes a great picture of people? Ninety percent of its quality lies in the facial expression, the rest is composition, lighting, and the natural presentation of body language. A tripod is a plus for sharp pictures and the camera should be set at the lowest ISO speed.
Composition is defined as the combining of distinct parts or elements to form a whole. In photography that definition is very important in taking quality pictures.
To learn more about the camera we need to learn about the optic, since this is what capture the light and makes it possible for you to see the final version. The optics function is both to concentrate the light on the sensor, but also to spread it over the whole sensor so not just the center pixels get light.
The digital camera is in reality a great possession with many facets of its utilities and not only that knowing these utilities makes the understanding the digital camera complete. The utilities are also so very diverse that they too offer further introspection of details in their varying applications. Such an area is digital camera exposure compensation.