Iris diaphragm microscope function Microscope diaphragm iris function condenser quora Ojo bastones humano cuerpo conos electron microscopic ciliary scanning retina pupila mirada tension cristalino acuoso elmundo procesos ciliares
Iris Diagram Microscope
The microscope’s iris diaphragm: what it does and how it works Iris of the human eye as seen through an electronic microscope