2.2 Visible/Color Images
A USB microscope, Model 5MP Edge AM7915MZT, AnMO Electronics Corp. (New
Taipei City, Taiwan) equipped with a visible polarizer was use used to
acquired visible images of all samples. The digital microscope captures
5 mega-pixel (2952 x 1944) color images. Eight white LED lights
contained in the camera illuminate the sample and a single polarization
element is utilized to reduce glare.