Archived posting to the Leica Users Group, 2004/11/19

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Subject: [Leica] 35mm normal vs. ASPH or Spherical...Some nonsense
From: mark at rabinergroup.com (Mark Rabiner)
Date: Fri Nov 19 15:04:42 2004

>snippet<
> 
> Note that the amount and type of spherical aberration can and does
> change to a certain degree with focussing distance as well as
> aperture. That's why a lens can exhibit somewhat different OOF
> rendition under different conditions.
> 
> My 4th gen Summicron 35, with 10 not-making-a-very-round-hole blades,
> has exceptional bokeh, only matched IMO by the 75/1.4. Both are
> superb. The 35/1.4 ASPH and 90AA are definitely 'sharper' wide open,
> but are also not as smooth.
> 
> So I generally use the 35/1.4 ASPH and 75/1.4, because the lenses are
> all good, and these are 1.4.


Well the Noctilux was surly designed with Bokeh in mind. And I think they
wildly succeeded. I think the Bokeh is distinctive; yet excellent. And why
for a large part these lenses are procured.

Mark Rabiner
Photography
Portland Oregon
http://rabinergroup.com/





In reply to: Message from henningw at archiphoto.com (Henning Wulff) ([Leica] 35mm normal vs. ASPH or Spherical...Some nonsense)