iMicro Q3p is a fingertip-sized microscope lens Attaches to your smartphone ... events What the Q3p crucially gains this time is a polarizer. As with the Q2p before it, this enhances the contrast ...

THE compound polarizer is a device for producing beams of polarized light of variable colours in the field of a microscope ocular. The polarizer proper consists of a disk of ‘Polaroid’, a disk ...