Tadaa SLR is a free app that lets you create depth of field effects after you take your photo.
Open an image on your iPhone, then mask off the area where you want to preserve your focus. This opens the door for bokeh effects, which traditionally are often done with special lenses.
Using the app is easy. Open a photo and use your finger to define a mask. Thanks to edge detection, you don't have to be exact. Anything you mask will remain in focus, while anything outside the mask will blur. The next step gives you the ability to adjust the out-of-focus parts, crop the image and adjust things such as saturation and contrast. Filters can adjust the colors and render attractive black and white im
