04 Centre Focus
A long focal length was used here to create this tightly-cropped rooftop scene. Its flattened perspective works quite well, but the flat lighting means it lacks a strong focal point.
The Centre Focus filter lets you enhance the focal point of your picture, or create one where there isn’t really a focal point at all. You choose where you place the centre point by dragging it around the image – we’ve chosen the church in the top left corner. You drag the outer circle to change the size of the centre focus point, then use the sliders in the tools panel on the right to change the Blur, Edge Brightness and Centre Brightness. In fact, then, you get an edge blur and vignette tool all in one.
This is a powerful effect in more ways than one. The Centre Focus tool appears quite simple and the shape is relatively crude, but its secret lies in where you place it and how you adjust the controls. This is an extreme example, but it’s also possible to enhance images subtly enough that the picture is visibly improved, but no-one notices quite what you’ve done.