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RE: [OM] Sample Zuiko 21mm F2 shot??

Subject: RE: [OM] Sample Zuiko 21mm F2 shot??
From: Garth Wood <garth@xxxxxxxxxxxxxxx>
Date: Tue, 09 May 2000 08:33:36 -0600
At 08:28 PM 5/9/00 +0800, Wayne Harridge wrote:
>Ron wrote:
>
> > Sean: I haven't scanned the shots yet but I recently shot the 
> > side of my
> > garage which has shakes (vice clapboards) with the 21/F2 and 
> > 24/F2 to see
> > for myself if I could detect any distortion along the perimeter of the
> > image.  I honestly could not.  In fact I thought they looked 
> > rather normal.
>
>A bit OT, I was passing a garage while driving today and the roof section
>showed quite pronounced waveform distortion.  Be careful when testing a lens
>that the "reference" you are photographing is indeed straight and square.
>How do you evaluate the negative/transparency when looking at distortion ?
>I would suggest that most projector lenses exhibit more distortion than the
>lenses used to produce the transparencies.


Absolutely.  This is why I encourage others to think about the kinds of 
subjects they wish to shoot with extreme wide angles.  While the Zuiko 28/2.0 
shows almost no distortion of any kind, it's probably the "last" in the lineup 
with this admirable quality.  As you proceed further towards super-wide-angle, 
various distortions almost inevitably get introduced.  The 21/2.0 has 
distortion -- but if you choose your subject correctly, you won't normally 
notice it...

Garth


  
"A bad day doing photography is better
  than a good day doing just about 
  anything else."
  
The Unofficial Olympus Web Photo Gallery at:

    http://www.taiga.ca/~gallery/


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