Tilt - Shift - Focus : Create tilt-shift and depth of field effects on your mac.

tsf.dev-lux.com

With Tilt-Shift-Focus you can easily edit photos to create fake miniatures, enhance or change the depth of field and focus area of your picture, or precisely soften details. Fake miniature and depth of field can improve the visual and artistic quality of your photographs and you can do all that

with just a few clicks in the Tilt-Shift-Focus editor.

Done