Archived posting to the Leica Users Group, 2001/02/13

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Subject: Re: [Leica] Re: Loupes
From: "Logan Reinwood" <reinwood007@hotmail.com>
Date: Tue, 13 Feb 2001 12:45:52 -0000

I tried with my colorplan, seems to work fine but what is the resulting 
magnification, when compared to a 5x loupe ?

krgds,

logan


>From: Dan Cardish <dcardish@sympatico.ca>
>Reply-To: leica-users@mejac.palo-alto.ca.us
>To: leica-users@mejac.palo-alto.ca.us
>Subject: Re: [Leica] Re: Loupes
>Date: Mon, 12 Feb 2001 15:37:08 -0500
>
>For me the perfect loupe is one that I can place down on top of the
>negative on the light table, and leisurely examine the full frame of the
>negative.  A good example of one that I have used is the Pentax 5.5x loupe.
>  Not too much magnification, but enough to critically evaluate the 
>negative
>or slide.  And it is very sharp and adjustable.  I'm sure that there are
>other good brands as well.   But to sit there hunched over a light table
>holding a $600 2 lb. Nikor 85/1.4 for any length of time to look at (part
>of) a negative or slide just seems crazy.  In a pinch it'll work, but get a
>proper loupe; they are designed for this!  Even my Nikor 8x loupe is
>preferable to squinting through a lens.
>
>Dan C.
>
>At 02:38 PM 12-02-01 -0500, Douglas Cooper wrote:
> >On 2/12/01 11:41 AM, Leica Users digest expressed the following:
> >
> >> You guys who use camera lenses as loupes are joking right?
> >
> >
> >Not at all.  Many Olympus users consider the 50/1.8 Zuiko the perfect 
>loupe
> >(and you can get one for about 20 bucks).  I was stuck without a loupe 
>the
> >other day at the lab, and I used my DR Summicron rather than the lousy 
>loupe
> >they had chained to the light table -- worked like a dream.  No, you 
>don't
> >always get the whole frame (depending on the focal length of your lens), 
>but
> >loupes are mostly for critical work, no?
> >
> >I've used the Maxwell loupe, and had difficulty with focus -- it's not
> >adjustable, and if your eyes are wrong, as mine are, you're out of luck.
> >That said, it's considered the best loupe out there -- the FBI uses it --
> >and I have one of his ground glass loupes for large format, which is 
>superb.
> >
> >The Schneiders are of course wonderful; you might want to consider the 
>Poor
> >Man's Schneider -- the Iston 4x -- which is about 50 bucks from B&H.  I 
>use
> >this, and the difference between it and the Schneider is slim.
> >
> >For general work, 4x or 5x is what you want -- a 10x will drive you 
>crazy,
> >as all you'll see is massive grain, and imperfections in the surface of 
>the
> >film.  10x is great for truly critical work -- evaluating the sharpness 
>of a
> >line, for instance -- but is not an everyday affair.
> >
> >cheers,
> >
> >Douglas Cooper
> >http://www.dysmedia.com
> >
> >

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