Re: Camera software and lenses

You wouldn't need a telecentric lens for a system like this. In fact,
it looks to me like telecentric lenses were invented to solve a
software problem that may not exist any more.

On 8/1/06, Elliot Burke <elliot@...> wrote:
> Is anyone interested in how machine vision lenses differ from ordinary
> lenses?
>
> Here
> http://www.edmundoptics.com/techSupport/DisplayArticle.cfm?articleid=239
>
> is an article that discusses telecentric lenses. There are other articles
> in that general area describing other aspects of machine vision.
>
> My interest in using a camera in my CNC mill is to accurately characterize
> light sources. This is largely a software problem. The hardware just has
> to take pictures of the light source from all angles that it emits light
> into. The software then generates a database of a large number (10^7 or so)
> of rays that describe the source.
>
> Is this getting off the CCED range of topics?
>
> regards-
> Elliot
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