A Lesson in Depth of Field, Part 2
I am back with part two of my discussion on depth of field. I hope you found yesterday’s post helpful. Is this depth of field thing starting to make some sense? I did not mention yesterday that you cannot control this if you are shooting in the automatic mode on your camera. You have to be brave enough to move to manual or aperture priority to play with this. That is exactly what you need to do – play with this. Set up a short row of items and shoot at different aperture settings. If you are in manual, you will need to adjust your exposure. Make notes of your results. It will soon make sense!
A very shallow depth of field…
This was shot at f/4.5 at a speed of 1/500th of a second. As you can read from those figures, the aperture (pupil) was wide open and the exposure was long at half a second! I focused in the middle of the image. The orange and part of the purple thread is in focus. I heard someone say once, “Do you want 2 things in focus or 22 things?” That little statement will help you remember which setting to use. The middle ranges keep everything in focus also. Practice these different settings on portraits or still lifes. I believe you will be happy with the results. I will talk about how your exposure affects all of this at a later time, but I think you can probably figure it out!