Depth of Field
The zone of acceptable sharpness in front of and behind the subject on which the lens is focused.
What is Depth of Field?
Depth of field (DoF) refers to the range of distance within a photo that appears acceptably sharp. It's determined by several factors: aperture size (smaller f-numbers like f/1.8 create shallow DoF while larger numbers like f/16 create deeper DoF), focal length (longer lenses compress perspective and reduce DoF), distance to subject (closer focusing distances reduce DoF), and sensor size (larger sensors produce shallower DoF at the same aperture). Photographers manipulate depth of field creatively - shallow for portraits to isolate subjects, deep for landscapes to keep everything in focus.
AI Prompting Tips
To generate images with specific depth of field effects, use terms like 'shallow depth of field' or 'deep depth of field' in your prompts. For shallow DoF, include 'shot at f/1.4', 'with blurred background', or 'subject in sharp focus with background out of focus'. For deep DoF, try 'everything in sharp focus', 'shot at f/16', or 'foreground to background all in focus'. Specifying lens type can help too, like 'shot with 85mm prime lens' for shallow DoF portraits.
Example Prompts
"Portrait of a woman with beautiful bokeh background, soft evening light, professional photography"
"Street scene at night with depth of field effect, urban environment, neon lights, cinematic"
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