Laser scanning microscopes are useful for all kinds of tiny investigations. As it turns out, you can build one using parts salvaged from a Blu-ray player, as demonstrated by [Doctor Volt]. The trick ...

The mechanism of a confocal laser scanning microscope is to irradiate an object with a laser beam emitted from a light source, scan the entire object in two directions, the X-axis and the Y-axis, and ...

Turn the coarse focus so that the stage is as close to the objective lens as possible. You should not look through the microscope to do this. Place the microscope slide – either one you have prepared, ...