Figure 2.28 (credit “Brightfield”: modification of work by American Society for Microbiology; credit “Darkfield”:
modification of work by American Society for Microbiology; credit “Phase contrast”: modification of work by American
Society for Microbiology; credit “DIC”: modification of work by American Society for Microbiology; credit
“Fluorescence”: modification of work by American Society for Microbiology; credit “Confocal”: modification of work by
American Society for Microbiology; credit “Two-photon”: modification of work by Alberto Diaspro, Paolo Bianchini,
Giuseppe Vicidomini, Mario Faretta, Paola Ramoino, Cesare Usai)
Chapter 2 | How We See the Invisible World 59