Archived posting to the Leica Users Group, 2005/07/07

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

Subject: [Leica] Speaking of medium format
From: langeratcarleton at gmail.com (Mark Langer)
Date: Thu Jul 7 11:31:53 2005
References: <200507062245.j66Mfm0C030628@server1.waverley.reid.org> <l03130305bef3206bdda0@129.89.124.186>

No, a Color Skopar should not be giving you those results.  The lens
is a Tessar type, and should be giving you very sharp images with good
contrast.  There is definitely something wrong with your example of
this lens.

Mark

On 7/7/05, Alan Magayne-Roshak <amr3@alpha1.csd.uwm.edu> wrote:
> 
> >Date: Wed, 6 Jul 2005
> >From: Mark Langer <langeratcarleton@gmail.com>
> 
> >Alan,
> >
> >You should not be having this problem with your Bessa II.  They do
> >have some trouble with a loose front standard. Just because the
> >rangefinder >indicates infinity at infinity, it doesn't mean that your
> >lens is focussing at
> >infinity at infinity.
> 
> >Then try doing this again by focussing on an object that is,
> >say 10 ft. away.  See if the lens and the rangefinder are in
> >agreement.
> >
> >Mark
> ...............................................................................
> 
> I've used a ground glass to check focus agreement, as well as shooting film
> of resolution charts.  The focus seems fine, but the bokeh just doesn't
> look good.  Maybe this is what a Color-Skopar gives.  I have a Bergheil
> with a Heliar that has a nicer rendition, but it doesn't have a rangefinder
> and is a handful with a rollfilm back, so I'd like to carry the Bessa.
> 
> Alan
> 
> 
> 
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information
>


Replies: Reply from chs2018 at med.cornell.edu (Chris Saganich) ([Leica] Speaking of medium format)