Archived posting to the Leica Users Group, 2000/04/17

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Subject: Re: [Leica] Konica on Leica
From: Jeff Spirer <jeff@spirer.com>
Date: Mon, 17 Apr 2000 19:57:16 -0700

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/