Archived posting to the Leica Users Group, 2003/08/03
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]On 2/8/03 11:13 pm, "Buzz Hausner" <owner-leica-users@mejac.palo-alto.ca.us> wrote: > It is perfectly normal, unless it is opening more than say half a stop. > Nota bene, the spherical 35 Summicron has two more diaphragm blades than > the aspherical. Perhaps one of our more optically sophisticated > correspondents could explain if this is responsible in any way for the > different characteristics of these lenses. Buzz It will certainly give the conventional Summicron a more pleasant 'bokeh' than the aspheric if its extra blades make a smoother circle at all stopped down apertures. Out of focus highlights reflect the shape of the aperture in use. - -- Regards David Prakel Centre of Britain PhotoWorkshops Partnership www.photopartners.co.uk - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html