I remember reading about this from Minolta's lens brochure, here's what they
say from their web site, actually listed in the lens spec as "CIR" for
circular aperture shape:
"The closer the aperture shape is to becoming a perfect circle, the more
beautiful your defocused effect will be. That's why Minolta's
specially-designed aperture blades produce a circular opening from their
widest setting down 1.5 steps to help smooth a scene's out-of-focus areas.
When you take a picture with sunlight shining through foliage, a picture at
sunset or a picture of neon lights, the source of the light can be defocused
beautifully. The number of aperture blades must be maximized to make the
aperture as perfectly circular as possible. Conversely, each blade can be
curved to produce a circular aperture, and thus a desired blurring effect."
----
Date: Wed, 02 May 2001 13:56:11 -0400
From: Henry Posner/B&H Photo-Video <[EMAIL PROTECTED]>
Subject: EOS Re: lenses with best bokeh
At 12:46 PM 05/02/2001, you wrote:
>Note, there is nothing in those hits from any lens manufacturers.
Actually, I have never read a single word on the subject from any
manufacturer, ever.
- --
BlueSky
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