Archived posting to the Leica Users Group, 2003/03/04

[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]

Subject: Re: [Leica] Allover quality of a lens: corners vs. center
From: John Collier <jbcollier@shaw.ca>
Date: Tue, 04 Mar 2003 18:28:43 -0700

I would suggest you either get Erwin Puts' "Leica Lens Compendium" or 
download the abbreviated version from the Leica website:

http://www.leica-camera.com/index_e.html

The new Asph lenses are remarkable performers; especially wide open. 
Regardless you will need to stop down some to get even performance out 
to the edges.

John Collier

On Tuesday, March 4, 2003, at 01:30 PM, Martin Krieger wrote:

> When the new 905 SWC was announced, Kornelius made the point that they 
> saw a
> way of improving performance at the edges with only a small compromise 
> at
> the center. Are there Leica lenses that are designed that way 
> (clearly, ALL
> lenses are designed that way to some extent, so this is a relative 
> claim).
> What I would want is a much improved corner performance at all 
> apertures
> with a bearable sacrifice at the center.
>
> I use the 19 mm 2.8  and the PC 28mm.
>
> Does anyone know much about this.
>
> Why am I looking for such performance. Often I photograph a building, 
> and
> then discover that some crucial detail I want is closer to the edge of 
> the
> negative. I want to able to get good results out there. Also, in
> enlargements that are big,say 20x, people get close and can see if the 
> edges
> are not so good.

- --
To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html

Replies: Reply from Jerry Lehrer <jerryleh@pacbell.net> (Re: [Leica] Allover quality of a lens: corners vs. center)