Archived posting to the Leica Users Group, 2004/10/19

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Subject: [Leica] Re: rd-1 tests - 50mm Summilux and stiff lenses
From: mark at rabinergroup.com (Mark Rabiner)
Date: Tue Oct 19 00:24:22 2004

On 10/14/04 5:32 AM, "John Collier" <jbcollier@shaw.ca> typed:

> I am not sure. I also have a 35 Summilux Asph and the focusing action
> is smooth as glass. The focusing action of the 50 Summilux Asph is just
> ever so slightly stiffer when going from infinity to 0.7 m. The problem
> is when going from 0.7 m to infinity, it is stiff and knotchy between
> 0.9 m and 1.2 m. I can only speculate that it has something to do with
> the floating group. I will let you know if they have sorted it out
> when, and if, they get it back to me.
> 
> John Collier
> 
I had a feeling they'd screw up the floating group.

Got to take the St. Paulies Girl out of the cafeteria.


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





In reply to: Message from jbcollier at shaw.ca (John Collier) ([Leica] Re: rd-1 tests - 50mm Summilux and stiff lenses)