As we are all aware, the more blades there are in a lens’s diaphragm, the rounder the resulting hole can be made, and in turn this gives a more natural looking bokeh. So on receiving my recent ...
Possible Duplicate: What about lens construction influences bokeh? Does the circular or hexagonal shape of the bokeh depends on the number of elements and groups of the lens?? If not then ...
I can understand how certain elements of a lens can correct an aberrations or make it sharper - but specifically, how do lens manufacturers influence the bokeh - the quality of the blur? There's a ...