1. Use a large f-number when you can
As odd as it may seem as we have been spoon fed on the concepts of using smallfor shooting landscape photos. A larger has its own advantages though. Let’s say you are photographing a scene in low light. If you use a small you will have to compensate that by increasing the and or the to get a good . Both will result in noise. Plus, when you stop down the lens too much lens diffraction sets in. To avoid all these problems use a faster , something like f/5.6. But wouldn’t it make some of the elements in the image out of focus? Not if your lens is wide enough and the focus is set to . At that distance f/5.6 will bring everything in focus.