It’s easy to take autofocus for granted. I know, I do. This technology is amazing—your camera has to figure out what should be sharp in a scene, focus the lens and take the picture, all in a fraction of a second.
How does the ISO setting affect the results in digital capture? My objective is to create a good-quality 16x20 print. Let’s say there’s no movement of the subject involved. How would the image look at ISO 100 compared to ISO 400?