Archived posting to the Leica Users Group, 2002/06/02

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Subject: Re: Re: [Leica] Diopter
From: Darrell Jennings <darrell_jennings@yahoo.com>
Date: Sun, 2 Jun 2002 14:37:28 -0700 (PDT)

Fair enough.  I didn't think it made sense from an
economic point of view, now you demonstrate that it
also screws up the form factor. So it could be done,
just would be a bad idea for the obvious reasons. 

- --- rclompus@cox.net wrote:
> Yes,  Leica could re-design the rangefinder to
> include a dioptric correcting lens.  I suspect it
> would enlarge the top of the camera even more making
> it seem more like the size of the M5 rather than the
> popular size of the M6.
> 
> Richard
> > 
> > From: Darrell Jennings
> <darrell_jennings@yahoo.com>
> > Date: 2002/06/01 Sat PM 04:09:10 EDT
> > To: leica-users@mejac.palo-alto.ca.us
> > Subject: Re: [Leica] Diopter
> > 
> > Richard, couldn't you simply add a diopter
> mechanism
> > in the back of the viewfinder that adds in the
> > correction needed without having to redesign the
> whole
> > rangefinder mechanism?  I have a viewfinder for
> > another camera that does this. The downside of
> this is
> > it would add cost to the whole camera for a subset
> of
> > customers that need it. 
> > --- rclompus@cox.net wrote:
> > > Lee,
> > > 
> > > the .58, .72 permits you to select the angle of
> view
> > > you want through the viewfinder.  It has nothing
> to
> > > do with how clearly you'll see through that
> > > viewfinder.  Fortunately, most types of blur
> > > (refractive error) can be well corrected with
> > > glasses, contact lenses or surgery.  It would
> take a
> > > complete redesign of the already complex
> rangefinder
> > > optic to include a dioptric corrective lens. 
> > > Historically, the rangefinder for the Leica has
> been
> > > complex from the start but reliable and accurate
> as
> > > well.
> > > 
> > > Richard
> > > 
> > > Richard Clompus, OD
> > > Roanoke, VA  
> > > > 
> > > > From: Lee <leeh0@yahoo.com>
> > > > Date: 2002/05/31 Fri AM 02:19:50 EDT
> > > > To: leica-users@mejac.palo-alto.ca.us
> > > > Subject: [Leica] Diopter
> > > > 
> > > > Hi,
> > > > 
> > > > Anybody knows why leica can't have a built-in
> > > diopter?
> > > >  Instead, they come out with these .58, .72,
> etc.?
> > > > 
> > > > Thanks.
> > > > 
> > > > Lee
> > > > 
> > > >
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