Unei fotografii existente ii poti modifica ulterior DOF in background sau in ce zone doresti,
1. doar daca a fost facuta cu un aparat inteligent, precum acesta:
Lytro (Light Field Camera)
2. SAU prin editare foto, in orice editor foto mai rasarit: GIMP (gratuit), Affinity Photo, sau Photoshop.
https://www.youtube.com/watch?v=GpGfcHcSX4s
https://www.youtube.com/watch?v=AfM9uMIkZoU
https://www.youtube.com/watch?v=sHp27fuEKvw
https://www.youtube.com/watch?v=pxdgNoGCdLk
Programul il gasesti aici
https://www.gimp.org/
.