One of my goals for the year was to work through a few photography books. So far, I have really enjoyed this project. The key to it has been to stop after each section and try out the things discussed in the section. Just to make it really stick in my mind, I thought I'd also post on some of the things that I have learned.
I am using two books for this project: The Digital Photography Book by Scott Kelby and The BetterPhoto Guide to Digital Photography by Jim Miotke. Kelby's book has very short sections and basically gives you tips in each section. He doesn't explain why the tip works, he just gives it. Miotke's book works hard to explain what different terminology means and gives you more of the theory beyond just "tips". I decided this would give me a good balance. I can do what Kelby tells me to do and say "wow, that is better." Then I can consult Miotke and understand why and how to apply that knowledge in other circumstances.
So, one of Kelby's early tips is that you don't need a macro lens to shoot close-up shots. He says you can use a zoom lens and just set the camera to aperture priority mode and use the smallest aperture that the zoom lens will allow. I tried that and yes - very simply, I got the thing in front in focus and everything else was blurred (the effect you generally want with a macro photo.)
Miotke then explained to me that aperture priority mode should be used when you want to control the "depth of field" in a photograph. In the above photo, you can see the tips of the petals are in focus, but the rest of the tulip and the leaves are not in focus. Without aperture priority mode, it would be difficult to achieve that effect in such a short distance. In this mode, the camera sorts out the best shutter speed. Apparently there is also a shutter priority mode where you get to pick the shutter speed and the camera sorts out the best aperture.
Aperture priority mode then allows you to control a tight area of focus and blur the rest, ideal for macro photos. Both aperture and shutter priority modes allow you some control over the settings, but enable the camera to control the other - so you are in control of the bit you care about and get a best guess at the rest. Clearly, there are modes where you control everything, but I, for one, am not ready for that!
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