Re: Effects of lens length

[P3D Bob Wier <wier@xxxxxxxxxxxxxxx>]

>> 
>No. The length of a lens impacts the relationship of foreground and background
>objects. There is a famous shot in the movie Jaws (which has been copied by many
>others since) in which the camera started on a shot of Roy Scheider at a fairly
>wide-angle setting of a zoom lens. As he realized that the shark was attacking,
>the camera was pulled away from him quickly, and the lens zoomed in toward him
>at the same rate. The result was that the actor appeared not to change, but the
>background seemed to rush up toward him. As the lens became longer, in effect,
>the relationship between the foreground object (the actor) and the background
>appeared to compress, and the effect was heightened by the camera movement and
>the zoom counteracting each other to give the appearance that the actor did not
>move. I'd guess this effect would seriously harm the stereo effect in the
>hypothetical situation you suggest.

Ah yes - you are right. I had forgotten about that. I think the first
major use of the technique was in "Vertigo" when Jimmy Stewart looks
down the stairwell and it appears to grow as if to swallow him
up....

THANKS

  -------- Bob Wier ----- wier@xxxxxxxxxxxxxxx -----
          Friday, August 30, 1996  1:21:27 PM
          Texas A & M University - Commerce
   keeper of the Motorola MC68HC11, ICOM Radio, and
 Overland-Trails mailing lists and the LDS Genealogy
            State Research Outlines 



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