[SEL] A Welding Question - Apprentices

[JR504 at aol.com]

In a message dated 8/19/2007 5:05:05 P.M. Eastern Daylight Time,  
edurand at mchsi.com writes:

Question:  Does your software have the ability to remove the  distortion 
caused when photographing a curved plate?  I know this  distortion can be 
diminished by using a long lens and backing off but the  distortion will only be 
lessened.

Take care - Elden  



Hi Elden,
On my 35mm Camera when I need extended depth of field focus I used a  smaller 
aperture, because if you lengthen the time the film is exposed it gives  you 
greater focal length.  And even though I'm sure you've tried it, try to  find 
the center of your focus range and then snap the picture.  
What I mean is:
Focus on the closest part of the image, then move to the furthest part of  
the image, then split the difference to take the picture.  If your exposure  
time is long enough it will look better on the film than through the lens.
I can't say if the same thing holds true for digital cameras.
Hope that helps.
Joe Rappa
Mexico, NY



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