Difference between revisions of "Microphotography"

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==Vignetting==
==Vignetting==
The lens distortion/lighting effects at edge of image are known as: "barrel distortion" and "vignetting".
Defintion:
*The edge of images are darker than the centre.


Notes:
Microscope configuration:
*[[Köhler illumination]].
*Ensure diaphragm is open.
 
Some random notes:
*[http://www.gimp.org/release-notes/gimp-2.4.html http://www.gimp.org/release-notes/gimp-2.4.html].
*[http://www.gimp.org/release-notes/gimp-2.4.html http://www.gimp.org/release-notes/gimp-2.4.html].
*[http://www.gimp.org/release-notes/gimp-2.4-videos.html http://www.gimp.org/release-notes/gimp-2.4-videos.html].
*[http://www.gimp.org/release-notes/gimp-2.4-videos.html http://www.gimp.org/release-notes/gimp-2.4-videos.html].
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