Exploring ISO Settings
1. What are the three parts of the exposure triangle? The three parts of the exposure triangle include aperture, shutter speed, and ISO.
2. How much more exposure is there as you change from one ISO setting to the next? The exposure or sensitivity doubles each time the ISO increases one.
3. What is the main drawback to changing the ISO from low to high? The higher the ISO is, the less signal-to-noise ratio, meaning that more noise will be evident in the image.
4. What are a few ways to reduce the appearance of noise in the photo? One can use "high ISO noise reduction" in the Shooting Menu of the camera, reduce the noise in Adobe Camera Raw, reducing noise in Photoshop using the Reduce Noise filter, or using a noise reduction plug-in like Dfine 2.
5. What is the difference between Chromatic and Luminance noise? Chromatic noise is noise or speckling that is multicolored, whereas Luminance noise is black-colored speckling that is more difficult to remove in images and is a result of different areas of brightness between pixels.
6. What are a couple of example of when and why you might want to increase the ISO of the CAMERA? You might need to increase the ISO when shooting images after dark and when shooting images of sports with low lighting. When shooting after dark images, a faster ISO helps to prevent camera shake. When shooting images of sports in low lighting, a faster ISO will help to capture the motion occurring without or less blur.
2. How much more exposure is there as you change from one ISO setting to the next? The exposure or sensitivity doubles each time the ISO increases one.
3. What is the main drawback to changing the ISO from low to high? The higher the ISO is, the less signal-to-noise ratio, meaning that more noise will be evident in the image.
4. What are a few ways to reduce the appearance of noise in the photo? One can use "high ISO noise reduction" in the Shooting Menu of the camera, reduce the noise in Adobe Camera Raw, reducing noise in Photoshop using the Reduce Noise filter, or using a noise reduction plug-in like Dfine 2.
5. What is the difference between Chromatic and Luminance noise? Chromatic noise is noise or speckling that is multicolored, whereas Luminance noise is black-colored speckling that is more difficult to remove in images and is a result of different areas of brightness between pixels.
6. What are a couple of example of when and why you might want to increase the ISO of the CAMERA? You might need to increase the ISO when shooting images after dark and when shooting images of sports with low lighting. When shooting after dark images, a faster ISO helps to prevent camera shake. When shooting images of sports in low lighting, a faster ISO will help to capture the motion occurring without or less blur.