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October 21st, 2002, 01:01 AM
#11
Inactive Member
In the Steven Spielberg film Close Encounters of the Third Kind there is a scene of a ship in the middle of the desert. The ship in the foreground is a model. The helicopters, trucks and such in the background are full size.
I think the CEOTTK DVD refers to this as "forced perspective", although I believe forced perspective covers more than just foreground models.
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October 21st, 2002, 01:41 AM
#12
Inactive Member
The ship in the desert is a foreground miniature, not a forced perspective shot. I see the two terms confused all the time. Forced perspective is where you build a set in various scales to make things seem smaller the further they are from the camera. The dock scenes in Key Largo with Borgart and Bacall are all forced perspective shots. The yacht in the distance is actually only about 5 feet long and is quite close (sometimes obviously). The "runway of lights" in Close Encounters at the end of the movie is forced perspective. They actually had the lights get close and closer together to create an artificial perspective.
So, in actuality, forced perspective is just the opposite of foreground minatures. Foreground miniatures use something small up close to make it seem big in the distance. Forced perspective use things small in the distance to make them seem even smaller in the disance. The two techniques are totall different. A REALLY good example of foreground minatures is Honey I Blew Up the Kid. All the shots of the 8 foot kid were done in camera. Totally flawless and very funny, too.
Roger
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October 21st, 2002, 02:19 AM
#13
Inactive Member
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October 21st, 2002, 02:22 AM
#14
Inactive Member
Wow... this is really cool.... Keep the photos coming! I can't wait to see the finished product!
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October 22nd, 2002, 10:41 PM
#15
Inactive Member
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October 23rd, 2002, 11:35 AM
#16
Inactive Member
do you have to force the perspective of the foreground models?
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October 23rd, 2002, 01:42 PM
#17
Inactive Member
<BLOCKQUOTE><font size=2 face="Verdana, Helvetica, sans-serif">quote:</font><table border="0" width="90%" bgcolor="#333333" cellspacing="1" cellpadding="0"><tr><td width="100%"><table border="0" width="100%" cellspacing="0" cellpadding="2" bgcolor="#FF9900"><tr><td width="100%" bgcolor="#DDDDDD"><font size=2 face="Verdana, Helvetica, sans-serif">Originally posted by Jon P:
do you have to force the perspective of the foreground models?</font></td></tr></table></td></tr></table></BLOCKQUOTE>
No, that would actually destroy the illusion. For instance, if you needed a shot of a wall that was in disrepair and you had access to a real wall but could not afford to damage it just for the shot, you could build a miniature section of the wall as a miniature and place it in front of the camera. Aligned correctly, it will "connect" with the real wall in the distance and seem like one continuous wall. For this effect to work, the miniature wall needs to be build very exactly to scale. If you
forced the persepective (making the far end of the miniature wall smaller than the near end) then the natural perspective of the taking lens would not affect the real wall and the miniature wall the same. That is why I say that "forced perspective" is not the same as "foreground miniatures". Forcing perspective is used at the back of a set to make it seem deeper than it really is. Foreground miniatures are used at the front of a set to augment elements within the set that would otherwise be too expensive to build full size.
Roger
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October 23rd, 2002, 11:36 PM
#18
Inactive Member
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October 24th, 2002, 12:24 AM
#19
Inactive Member
We are not worthy......we are not worthy.....
(just found my new wall paper too)
:-)
Scot M
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October 24th, 2002, 01:40 AM
#20
Inactive Member
For those that are interested, here are the two shots used to create the foreground miniature composite.

As you can see, the model was VERY close to the camera; about 6 inches or so. Digital cameras often only go down to about f8 so depth of field was pretty iffy but it worked. I'll need a sunny day for K25 and f11. [img]smile.gif[/img]
Roger
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