The most common microphone used by videographers is the handheld type. If you’re shooting interviews of people in the street this is the microphone to go for. It would also come useful if you’re recording live sound in a studio or podium.
A shotgun microphone does a good job in video and film production audio recording. They have a long reach, which allows the camera a comfortable distance from the subject. They also have versatile directionality useful for isolating voices while cutting down on distracting background noises.
If you’re shooting sit-down interviews, you would want to conceal the microphone. In this instance you would want to use a lapel microphone. Such a microphone would also be useful if you’re shooting a moving subject.
If you’re looking for broad pickup sound, you would want to consider a boundary microphone. Such a microphone can lay flat on a table or floor and is ideal for recording stage plays, boardroom meetings and choirs.
A diaphragm condenser microphone will fit the bill if you are thinking of recording voiceovers. If you’re considering videography as a full-time job, you could do well to include one microphone each from the above categories to take care of your clients’ needs. If you’re short on budget, you could opt for a shotgun microphone which would take care of most shooting needs and provide better sound quality than your video camera’s built-in microphone.