George,
  Photography is defined as, "an art form based on a science", and is a matter 
of trade offs. 
  By the numbers:
  The higher (number) the F stop, the greater the depth of field, no mater what 
the focal length of the lens. 
  The longer the exposure the more light admitted to the photograph medium (the 
up side), the longer the exposure more chance of a blurred image due to camera 
movement (the down side).
   The wider the angle of the lens, the greater the depth of field, at any 
given F stop. This remains true even with telephoto lenses. Wide lenses, while 
putting more information on the medium, make objects seem father away, and 
unatural. 
  Using a "average" length lens, or setting on a telephoto lens will put all 
objects in true perspective, as seen by the eye, but with some loss in depth of 
field.
  All the discussions so far has been about camera, lens, F stops, and 
exposure. All of this is means nothing if lighting is not part of the equation. 
Simply put, the more light on the entire subject in the frame, means reducing 
both F stops, and exposure time.
  Or as we say in the motion picture business, "what do you call a movie 
without lights? Radio".
  Bill Rigsby
  Gaffer & Set Eectrican


From: gsc3 <[email protected]>
Subject: {S-Scale List} Camera thank you.
To: [email protected]
Date: Tuesday, January 1, 2013, 8:20 PM




  



Thanks guys for all the info off and on-line. I've got a much better idea of 
what to go for now.

George Courtney






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