Page 68 - NyghtVision Boot Camp One Fill Edition
P. 68
Analysis: Circle of Confusion
Two images that are both either. These “soft” areas
very different in every are in the Circle of Con-
aspect - except that they fusion.
both use the Circle of As we mentioned on the
Confusion effectively. previous page, distance
Lets begin with the im- from th subject is a crit-
age on the left. It was cre- ical factor when estab-
ated using the Canon 85 lishing and using the Cir-
mm prime L series lens cle of Confusion. In this
- a lens noted for its shal- case, I was just outside
low depth of field even at the MFD.
F-16. This image was cre- While I could have got-
ated using only ambient ten closer to her, I would
light, at F-1.2. have further diminished
Look closely at her hand, depth of field, I elected
eye and cheek. They are not to. I was concerned
all in depth of field and that too much detail
sharp. The ear, the hair, would have been lost and
her lips, are “soft” - not the context of the imaged
sharp enough to be in would have been lost.
focus but not out of focus
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