Rexer John
Senior Member
Probably the best explanation ever, well worth a viewing.
The only thing it doesn't illustrate is the blades of the iris that give bokeh it's shape with light points.
More blades gives a smoother edge to out of focus variations.
Circle of Confusion Explained and Illustrated - YouTube
The only thing it doesn't illustrate is the blades of the iris that give bokeh it's shape with light points.
More blades gives a smoother edge to out of focus variations.
Circle of Confusion Explained and Illustrated - YouTube