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Re: [photo-3d] Depth ranges

  • From: "David W. Kesner" <drdave@xxxxxxxxxx>
  • Subject: Re: [photo-3d] Depth ranges
  • Date: Thu, 15 Feb 2001 07:13:24 -0700
Paul Talbot writes:

> Well, if the
> distant trees are at "infinity" as you initially supposed, and the
> mushrooms are at, say, 6 inches, the simplifed version of the formula
> (aka the 1/30 rule of thumb) tells us that a stereo base of 0.2 inches
> (6"/30) should do the trick.

OK, I understand the rule, but I still don't understand why 
macro images I have taken with a stereobase of 11mm have 
objects less than a foot away that are hard to fuse, yet the 
mushroom image does not with objects that are hundreds of feet 
away.

David W. Kesner
Boise, Idaho, USA
drdave@xxxxxxxxxx