Wednesday, November 30, 2011

Quiz #1---620025726

Question #1: What is white balancing a camera, why do you do it, and what does it accomplish?

White balance basically means colour balance. It is a function which gives the camera a reference to "true white;" it tells the camera what the colour white looks like, so the camera will record it correctly. Since white light is the sum of all other colours, the camera will then display all colours correctly. White balance is really the process of removing unrealistic colour casts; hence it is done so that objects which appear white in person are rendered white in the photo and give it an even and accurate look.

Question #2: Name three of each and explain the difference between camera and director’s instructions.

Camera instructions are pan, tilt and zoom which is done electronically by the camera while Directors instructions are Standby, Action and cut which are manually carried out by the director.

Question #3: What is AGC and what does it do?

Automatic Gain Control is a circuit found on some electronic devices that automatically controls the gain of a signal. Using AGC means that weaker signals receive more gain and stronger signals receive less gain or none at all. AGC allows the camera to configure what it feels the best sound recording level is for a particular scene. It will try to adjust itself to various sound changes within a shot.

Question #4: If you do not want 16:9, what is the other option for shooting and what does it mean?

If you do not want to use 16:9 you can use 4:3. This is the native format of many camera sensors. It is ideal for showing on most computer screens, tablets, and printing to 8.5 x 11 paper or magazine and other print media.

Question #5: When you open the iris on the camera, what does it do to the picture?

On a digital camera iris is an adjustable aperature used to control the amount of light coming through the lens. The more the iris is opened, the more light it lets in and the brighter the scene will be.

Question #6: Apart from white balance what else do you check for on each new scene?

It is wise to check the audio on the camera before shooting so as to save time. It is also vital that you check the resolution on the camera and if the camera is focusing on the subject in order to have a good quality video.

No comments:

Post a Comment