No. More blades makes the aperture closer to round. This is one of several factors affecting the appearance of out-of-focus regions. The general term is "bokeh" or "boke" (alternate spellings). Google can find many helpful pages for you. A good one to start is http://www.luminous-landscape.com/essays/bokeh.shtml.Blue Fox wrote:btw does more blades equal greater depth of field?
--Rik