From: Giles <cnocbui@xxxxxxxxxxxxx>
Subject: Re: [OM] number of aperture blades
>....If Olympus chooses to use more in certain lenses
> there is probably a good technical reason for it.
Could it just be that the physically small diaphragm assemblies have 5 or 6
blades and the larger ones have correspondingly more in order to present a
smoother contour to the shape of the aperture? I am not acquainted with all
of the lenses on Steven Read's list but that was my impression.
Regards,
Keith
keith_r.k.berry@xxxxxxxxxx
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