Archived posting to the Leica Users Group, 2000/04/18

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Subject: Re: [Leica] Konica on Leica
From: "Dan Post" <dpost@triad.rr.com>
Date: Tue, 18 Apr 2000 10:59:06 -0700

Maybe he dropped the lens, or it arrived for the test with hidden damage!
If I had a lens that tested that badly, I think I'd check or compare it with
another just to be sure....
Dan
- ----- Original Message -----
From: Jeff Spirer <jeff@spirer.com>
To: <leica-users@mejac.palo-alto.ca.us>
Sent: Monday, April 17, 2000 7:57 PM
Subject: Re: [Leica] Konica on Leica


> At 09:02 PM 4/17/00 -0400, ARTHURWG@aol.com wrote:
> >Note that David Kilpatrick, editor of Freelance Photographer, wrote that
the
> >50mm Hexar lens "suffers from very severe curvature of field at 70cm
focus,"
> >with unsharp center but sharp  cornors "like the effect of a bulging
slide in
> >a projector."  Further, the 50's flare problems were "quite hopeless."
It
> >not only flares but "castes a huge white veil over the entire shot even
at
> >settings like f8.  At the worst this forms a central patch covering
almost
> >all the frame."
> >    I don't think this is good enough to use with Leicas. Arthur
>
>
> What do your  tests show?  Why are you so willing to accept his
> tests?  Where are some photographs you can show us to compare?  How can
you
> make that last statement without having tested it and what does it mean
> anyway?  If there's one thing I can say after about two months on this
> list, many people seem more obsessed with brand than teenagers with
> clothing, and there aren't enough photos shown to justify a lot of what
> goes on.
>
> I've shot into bright lights at F2 with the Konica 50 and had no
> problems.  I have also seen no problems at all with any "curvature"
> issues.  Up until now, I've been working almost exclusively in 6x7 and
> printing to 20x24, so I figure my standards are relatively high.
>
> Photos:
>
> http://www.spirer.com/images/ali.jpg  This has bright lights in the frame,
> shot wide open.  It's not a great photo (I need some light on the face),
> but it doesn't show any problems.
>
> http://www.spirer.com/images/70.jpg  Great detail in the shirt, nice
> contrast, nice bokeh, no "curvature."
>
> What good are words when one can show photos?
> ...
>
>
>
>
> Jeff Spirer
> Photos: http://www.spirer.com
> One People: http://www.onepeople.com/
>