Circle with 200um diameter

Posted by B. Prabhakar Pandian on Jul 17, 2007; 4:45pm
URL: http://imagej.273.s1.nabble.com/Ratiometric-Analysis-using-Image-J-tp3698844p3698846.html

Hello,
          I have multiple images in which I want to create a circle with
200µm diameter with a varying specified point as the center of the
circle. Is there a way  I can do this.
I am a beginner in ImageJ so any suggestions will help me a lot.

Thanks,

-Prabhakar