Archived posting to the Leica Users Group, 2001/03/21

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Subject: Re: [Leica] Do Blades Matter?
From: "Steve LeHuray" <icommag@toad.net>
Date: Wed, 21 Mar 2001 09:38:16 -0500

> Based on Steve's comments and my own observations regarding the spherical
> and aspherical 35 Summicrons, I would be interested in learning the number
> of diaphragm blades in the spherical and aspherical 35 Summiluxes.  I have
> neither lens, can anybody out there help?
>
>  Buzz

Buzz,

Just counted, looks like 10 blades.

Steve
Annapolis
>
> -----Original Message-----
> From: Steve LeHuray [mailto:icommag@toad.net]
> Sent: Wednesday, March 21, 2001 8:32 AM
> To: leica-users@mejac.palo-alto.ca.us
> Subject: Re: [Leica] Re: 35mm M Summicron ASPH lens-flare
>
>
>> John...
>>
>>  There are some very good reasons, in addition to savings, for buying
>> the pre-aspheric 35 Summicron.  I own and use both the aspherical (second
>> version) and spherical (vintage '86) lenses.  I use the spherical
> expression
>> more often.  This is because I value small, light equipment and an M6 with
>> the spherical will easily slip into a jacket pocket.  I do not want to
>> ignite a bokeh war, but I like the over-all look of the spherical better
> for
>> many pictures...perhaps this is because the spherical has a dozen
> diaphragm
>> blades and the aspherical two fewer, but the images are different to my
> eye.
>> Who knows?  Even at f2.0, the spherical is very sharp...sharper at least
>> than my shaky hands deserve.  Don't get me wrong, the aspherical is a fine
>> lens...certainly snappier than the spherical at f2.0.  Flare?  Flare is so
>> rarely an issue that I don't worry about it unless I WANT to use flare as
> an
>> element of the photograph.
>>
>>  Nota bene, I am not a collector, just the father of two who will let
>> my kids fight this battle for many years after I am gone.  My son and
>> daughter will be posting their opinions on the two lenses in about twenty
>> years.
>>
>>  Buzz Hausner
>
> I am right there with you Buss. My poison of choice in a 35 is the pre-asph
> Summilux 1.4. It is a tiny little thing which I like and to my eye it seems
> to do very well wide open plus it has a smoother look at all apertures
> compared to the asph version.
>
> Steve
> Annapolis
>