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Re: [OM] Zuiko 16mm 3.5 images link...

Subject: Re: [OM] Zuiko 16mm 3.5 images link...
From: Kurt Hurley <khurley@xxxxxxxxxxxxxxxxxxx>
Date: Mon, 13 Dec 1999 09:11:08 -0800
WKato,

Is this the Nikon data for Zuiko/Nikon comparison on the older, smaller
Nikkor 16/3.5 or the 16/2.8 AIS. My own data indicates the Zuiko 16/3.5 is
dramatically sharper than the Nikkor AIS16/2.8 wide open and f/8......The
effective aperture of the 16/2.8 AIS Nikkor was actually around 3.5. 





At 01:29 PM 12/11/99 -0500, you wrote:
>In a message dated 99-12-11 03:10:23 EST, you write:
>
>> I got my web layout up with images taken with my Zuiko fisheye. Here's the
>>  link, if you're interested.
>>  
>>  http://www.users.uswest.net/~bjnicholls/
>>  
>Those are great images.In particular I like the tree at Bryce, the straight 
>up shot of the pines, and the daisys (or brittlebush). 
>
>Here are some old MOdern Photo tests I've put together for you:
>Resolution (lines/mm) at 1:50x Zuiko/Nikkor
>                3.5     5.6     8       11      16      22
>Center:    63/84   70/84   63/84   63/75   56/67   50/53
>Corner:    32/24   35/24   45/26   50/30   40/30   35/30
>
>Contrast (%) at 30 lines/mm
>Center:    59/71   63/77   69/72   68/72   65/62   57/49
>Corner:    22/26   32/33   35/38   35/37   34/31   27/25
>
>It looks like the Nikkor has higher central resolution and the Zuiko beats
it 
>at the edges. The Nikkor has higher central contrast while the edge contrast 
>is about even.  I don't know if Nikon has changed its formula since 1974.  I 
>would favor the Zuiko here because of the higher edge resolution. Your eye
is 
>always drawn to the edges because ofthe compression there.  Also the edge 
>area, added up, is a greater percentage of the photo.
>
>Warren  -good luck either way
>
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> 
Kurt Hurley IDS 2000 Product Marketing Manager
Schlumberger T&T - Diagnostic Systems
1601 Technology Drive San Jose CA 95110
email khurley@xxxxxxxxxxxxxxxxxxx
PH 408-437-5156  FAX 408-437-9031 PG 408-699-4587

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