BLOG QUESTION ADV: REVIEWING GAIN

1. What does the ISO/Gain sensitivity of a camera mean?

2. Why would you want to increase the ISO/Gain of the camera?
3. What happens when you increase the ISO/Gain on a camera? What are the problems that come into play?

The ISO/Gain sensitivity of a camera is the measurement of how sensitive the sensor is to light  . We would want to increase the ISO/Gain of a camera if we were filming in low light settings (e.g. night time) . When you increase the ISO/Gain on a camera, the problem of visual noise comes into play which lowers the quality of the image, but boosts the exposure of the image.