1.0CARAAhttps://www.caraa.fr/en/Beyond visiblerich600338<blockquote class="wp-embedded-content" data-secret="8JCNeR3WyS"><a href="https://www.caraa.fr/en/imagerie/">Beyond visible</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.caraa.fr/en/imagerie/embed/#?secret=8JCNeR3WyS" width="600" height="338" title="“Beyond visible” — CARAA" data-secret="8JCNeR3WyS" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script>
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Optical observation is the first examination to be made. It is the fundamental mean in expertise and the most obvious of visual examinations. Macroscopic examinations (using naked eye) are distinguished from microscopic examinations (using a microscope). Depending on the angle of illumination (microscopically or macroscopically), direct or raking light, can give different types of information.…