Archived posting to the Leica Users Group, 1998/10/10

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Subject: RE: [Leica] Testing lenses
From: chucko@siteconnect.com (Chuck Albertson)
Date: Sat, 10 Oct 1998 15:06:22 -0700

I think the ASPH is quite a bit sharper at full aperture, and it handles
light sources in the picture frame much better than my old Summicron-M.

Chuck Albertson
Seattle, Wash.

> Some conclusions: first, it appears that my rangefinder now functions
> correctly, as the image that looked right in the viewfinder was also the
> best compared to the other two focus settings. Second, with the 35mm
> Summicron there was a distinct difference in image quality going from f2
> to f2.8. At f2 the image was a bit soft, even in the centre, and
> vignetting was obvious (although not uniform in all four corners). This
> has me thinking about upgrading to the 2.0/35mm Summicron ASPH.
> According to Erwin Puts, there is a significant difference between the
> newest lenses and the older ones especially at full aperture and close
> distance. I would like to hear from someone who has upgraded from the
> old to the new Summicron--did you experience a visible quality
> (sharpness) improvement?
>