Mailinglist Archives:
Infrared
Panorama
Photo-3D
Tech-3D
Sell-3D
MF3D

Notice
This mailinglist archive is frozen since May 2001, i.e. it will stay online but will not be updated.
<-- Date Index --> <-- Thread Index --> [Author Index]

Re: 1 to 30 rule


  • From: P3D William Carter <wc@xxxxxxxxxxxx>
  • Subject: Re: 1 to 30 rule
  • Date: Wed, 9 Jul 1997 08:47:39 -0700 (PDT)

Gecko queries:

>Does anyone know how to determine the distance of far objects. 

A range finder, for any distance further than you can throw a rock, requires
that you can measure the height of some known object. Works at sea. But, not
much horizon to work from in or near a city. I suggest using a map.


------------------------------