Re: Materials for Flat-Fielding
Re: Materials for Flat-Fielding
- Subject: Re: Materials for Flat-Fielding
- From: Roger Breton <email@hidden>
- Date: Sat, 09 Jun 2007 11:02:44 -0400
Ken,
> I don't think a sphere will work for us since we need to photograph objects
> of many sizes from just a few inches to many feet in length.
The sphere is the best technique, IMO, and will work in any situation
because it does not matter how far or close is the camera form the subject.
What's important is the light entering the lens, and you can be as close as
6 inches away from the camera to characterize that.
But I understand spheres are not cheap.
Roger Breton
Just a regular guy
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