Archived posting to the Leica Users Group, 2000/10/19

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Subject: Re: [Leica] Thin extension rings?
From: Douglas Herr <telyt560@cswebmail.com>
Date: 19 Oct 2000 13:08:39 -0700

On Thu, 19 October 2000, Martin Howard wrote:

> 
> Martin Howard jotted down the following:
> 
> > 
> > Are there thin extension rings for either R or Visoflex systems?  I want to
> > get a little closer than the 3m for the 200mm f/4 Telyt and 6m for the 280mm
> > f/4.8 Telyt lenses I use on my R7, but the macro-adapters is too expensive
> > and too thick.  25mm is also too thick.  I'm thinking perhaps somewhere in
> > the 5mm-10mm region, that will bring close focussing distance down a little,
> > but still provide some reach out to 20m or so.
> > 
> > M.
> 
> Come to think of it, screw-mount extension rings would work too.  Since both
> the 200mm and 280mm have screw-mount fittings to the OUBIO, and since I use
> a 14167 between the OUBIO and the R, I can put extension rings either:
> 
>   Between lens and OUBIO (LTM fitting)
>   Between OUBIO and 14167 (M fitting)
>   Between 14167 and R camera (R fitting)
> 
> So, are there any short extension rings in the 5mm-10mm range for either
> LTM, M, or R fittings?
> 
> M.
> 

Not that I know of.  This was one of the main reasons I replaced the 280 with a late-model 250 (near-focus limit: about 6')

Doug Herr
Birdman of Sacramento
http://ourworld.compuserve.com/homepages/telyt
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